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Websites & Web Applications

Website Development

New website development

I can design and build a new website from the ground up, from initial technical planning through to deployment. I specialise in lightweight, performant solutions that are straightforward to maintain and don't introduce unnecessary complexity.

Website redesign

I can help modernise an existing website, improving its design, usability, performance and underlying technology. Whether you need a complete rebuild or targeted improvements, I'll help you get more out of your existing investment.

Frontend development

I can build responsive, accessible and performant frontend interfaces using modern JavaScript, HTML and CSS. I favour lightweight solutions and native browser capabilities over unnecessary frameworks and dependencies.

Backend development

I can develop the server-side components that power your applications, including business logic, authentication, data processing and integrations. I work primarily with Python, Go and AWS.

Full-stack development

I can take a web application from concept through to production, handling both the frontend and backend, database design, infrastructure and deployment.

Static websites

I can build extremely fast, secure and inexpensive static websites without the overhead of a traditional content management system. These are particularly useful for business websites, documentation, landing pages and content that doesn't require a complex backend.

Custom web applications

I can develop bespoke web applications around your specific business requirements, rather than forcing your processes into an off-the-shelf product. This includes internal tools, dashboards, customer portals and operational applications.

Legacy website modernisation

I can help bring older websites up to date, replacing outdated technologies, improving security and performance, and making the codebase easier to maintain without necessarily rebuilding everything.

Web Application Development

Custom application development

I can build custom applications that solve specific business problems, from internal administration tools to customer-facing platforms. I'll work with you to understand the requirements and choose an architecture that makes sense for the scale and complexity of the project.

Progressive web applications

I can develop browser-based applications that offer many of the capabilities of native applications, including offline functionality, installation and responsive interfaces.

Internal business applications

I can build internal applications that simplify your business operations, replace manual processes and give your team better tools to get their work done.

Application modernisation

I can help modernise existing applications by improving their architecture, updating dependencies, replacing outdated components and moving them onto more maintainable platforms.

Third-party integrations

I can connect your applications to external services, APIs and business systems, allowing information and workflows to move seamlessly between platforms.

APIs & Integrations

REST API development

I can design and build REST APIs that expose your application functionality to other systems. This includes endpoint design, authentication, validation, documentation and deployment.

API integrations

I can integrate your applications with third-party APIs and external services, handling authentication, data transformation, error handling and ongoing reliability.

API gateways

I can implement and configure API gateways to provide a secure, scalable entry point for your applications and services, including authentication, rate limiting and request routing.

Webhook integrations

I can build webhook integrations that allow your systems to react automatically to events occurring in external services, without relying on constant polling.

API troubleshooting

I can investigate unreliable or poorly performing API integrations, identify the underlying problems and implement practical fixes.

Performance & Optimisation

Website performance optimisation

I can investigate why your website is slow and identify opportunities to improve its performance. This includes frontend optimisation, server-side improvements, caching and infrastructure changes.

Page load speed

I can improve page load times by examining how your website delivers content, loads resources and executes JavaScript. The goal is a faster experience for visitors and better performance metrics.

Caching strategies

I can design and implement caching strategies at the browser, application, database and infrastructure levels to reduce unnecessary processing and improve response times.

Load testing

I can simulate realistic traffic against your website or application to identify performance bottlenecks and understand how your systems behave under load.

Application bottleneck analysis

I can profile your application and infrastructure to identify the components responsible for poor performance, then recommend and implement targeted improvements.

Hosting & Deployment

Website hosting

I can help you choose, configure and manage hosting infrastructure appropriate to your website. This includes traditional hosting, cloud infrastructure and serverless platforms.

AWS hosting

I can host your website or application on AWS, selecting appropriate services and configuring the infrastructure for performance, reliability, security and cost efficiency.

Cloudflare configuration

I can configure Cloudflare to improve your website's performance and security, including DNS, CDN, caching, SSL, firewall rules and traffic management.

Website migrations

I can plan and execute website migrations between hosting providers and platforms, taking care of DNS, data transfers, infrastructure configuration and deployment with minimal disruption.

Deployment automation

I can automate the process of deploying your website, reducing manual work and making releases more reliable and repeatable.

DNS & SSL

DNS configuration

I can configure and troubleshoot DNS for your domains, websites and applications, including record management, routing, delegation and more advanced DNS architectures.

DNS migration

I can manage DNS migrations between providers, ensuring records are transferred correctly and services remain accessible throughout the transition.

DNS troubleshooting

I can investigate DNS resolution problems, propagation issues, misconfigured records and connectivity problems affecting your websites and services.

SSL certificate management

I can configure and manage TLS certificates for your websites and applications, including automated certificate issuance, renewal and deployment.

HTTPS configuration

I can configure HTTPS properly across your infrastructure, including certificate installation, secure redirects, TLS settings and certificate troubleshooting.

Analytics & SEO

Website analytics

I can implement website analytics to help you understand how visitors interact with your website, where they come from and which parts of your site are performing well.

Technical SEO

I can investigate and improve the technical foundations of your website for search engines, including crawlability, indexing, page performance, metadata and structured content.

Search performance

I can investigate technical issues affecting your search visibility and help improve how search engines discover, interpret and index your website.

Website monitoring

I can implement monitoring that checks your website's availability and performance, alerting you when something goes wrong rather than waiting for customers to report it.

Website Security

Web application security

I can review and improve the security of your web applications, looking at authentication, authorisation, input validation, data handling and common application vulnerabilities.

Authentication and authorisation

I can implement secure authentication and access control for your applications, including user accounts, role-based permissions, session management and integration with external identity providers.

Vulnerability assessment

I can assess your website for common security weaknesses and provide practical recommendations for addressing vulnerabilities and reducing your exposure.

Website hardening

I can strengthen your website's security through safer configuration, access controls, security headers, dependency management and infrastructure improvements.

Maintenance & Support

Website maintenance

I can provide ongoing technical maintenance for your website, including updates, security fixes, monitoring, backups and general housekeeping.

Bug fixes

I can investigate and fix problems affecting your website, from minor frontend issues to more complicated backend and infrastructure faults.

Production troubleshooting

I can investigate problems affecting your live website, identify the root cause and work towards a reliable fix with minimal disruption to your customers.

Ongoing technical support

I can provide ongoing technical support for your website and its underlying infrastructure, giving you access to experienced engineering assistance when you need it.

Software & Application Development

Custom Software

Custom software development

I can design and develop software tailored to your business requirements, rather than relying on generic products that don't quite fit. I focus on practical, maintainable solutions that solve real operational problems.

Business process automation

I can identify repetitive manual processes and build software to automate them. This might involve connecting existing systems, processing data, generating reports or building entirely new workflows.

Internal tools

I can build small, purpose-built tools that make your team's work easier. From administration interfaces to operational dashboards and command-line utilities, I'll focus on solving the actual problem rather than overengineering the solution.

Command-line applications

I can develop command-line tools and utilities in Python or Go to automate operational tasks, process data and integrate with your existing systems.

Legacy software modernisation

I can help bring older software up to date, improving its maintainability, security and performance while preserving functionality your business depends on.

Programming & Languages

Python development

I can develop Python applications, backend services, automation scripts and serverless systems. I've worked extensively with Python in production environments, particularly around AWS, APIs and infrastructure automation.

Go development

I can develop efficient, reliable Go applications and services, including backend APIs, command-line utilities and infrastructure tooling.

JavaScript development

I can build browser-based applications and interactive interfaces using modern JavaScript, with a preference for native browser functionality and lightweight implementations without unnecessary frameworks.

Shell scripting

I can write shell scripts to automate system administration, deployment processes, data processing and other repetitive operational tasks.

Code reviews

I can review your existing codebase to identify bugs, security concerns, performance issues and maintainability problems, providing practical recommendations rather than abstract criticism.

Backend Development

Backend systems

I can design and implement backend systems that handle your application's business logic, data processing, authentication and communication with other services.

Microservices

I can help design, build and maintain microservice architectures, including service boundaries, communication patterns, deployment and operational considerations.

Background processing

I can implement background processing systems for tasks that shouldn't block normal application requests, including asynchronous jobs, queues and event-driven processing.

Event-driven applications

I can build event-driven systems that react to changes and events across your infrastructure, using messaging, queues, serverless functions and event processing.

Serverless Development

AWS Lambda

I can develop and deploy AWS Lambda applications, including APIs, background workers, scheduled tasks and event-driven processing. I can also help optimise existing Lambda functions for cost, performance and reliability.

API Gateway

I can build API Gateway integrations to expose serverless applications securely and reliably, including routing, authentication, throttling and monitoring.

Serverless APIs

I can design and build complete serverless APIs using AWS services, with infrastructure managed as code and automated deployment pipelines.

Lambda optimisation

I can investigate slow or expensive Lambda functions and improve their execution time, memory usage, concurrency and overall cost efficiency.

Application Architecture

System design

I can help design the technical foundations of a new application, considering its components, data flows, infrastructure, scaling requirements and operational complexity.

Distributed systems

I can help design and troubleshoot distributed systems, including service communication, failure handling, consistency, concurrency and reliability.

Technical debt reduction

I can help identify and reduce technical debt in your software, prioritising improvements that make a meaningful difference to maintainability, reliability and development speed.

Technology selection

I can provide independent advice on choosing programming languages, frameworks, platforms and services, taking into account your actual requirements rather than technology trends.

Linux & Systems Administration

Linux Administration

Linux server administration

I can administer and maintain Linux servers, including Debian, Ubuntu and other distributions. This covers system configuration, software management, permissions, services, troubleshooting and general operational support.

Debian administration

I can configure, maintain and troubleshoot Debian-based systems, including package management, system upgrades, service configuration, networking and security.

Linux troubleshooting

I can investigate difficult Linux problems, including failing services, resource exhaustion, filesystem issues, networking problems and unexpected system behaviour.

System upgrades

I can plan and execute Linux distribution and package upgrades, taking care to identify compatibility issues, preserve configuration and minimise downtime.

Server Management

Server provisioning

I can provision and configure new Linux servers, establishing users, services, networking, security policies and monitoring so they're ready for production use.

Server migrations

I can migrate existing servers and services to new hardware or hosting environments, including data transfers, configuration, testing and cutover planning.

Patch management

I can establish reliable operating system and software patching processes to keep your servers up to date and reduce exposure to known vulnerabilities.

Service configuration

I can configure and troubleshoot Linux services, including web servers, application processes, databases, mail servers and background workers.

System Performance

CPU and memory optimisation

I can investigate CPU and memory utilisation on your servers, identify processes consuming excessive resources and recommend or implement improvements.

Disk performance

I can diagnose storage performance problems, investigate disk I/O bottlenecks and improve filesystem and storage configuration.

Process troubleshooting

I can investigate problematic processes, resource leaks, hung services and unexpected system load to get your servers operating reliably again.

Storage & Filesystems

LVM configuration

I can configure and manage Linux Logical Volume Manager, including volume groups, logical volumes, resizing and storage expansion.

RAID configuration

I can configure and troubleshoot software RAID, including disk replacement, array monitoring, recovery and storage redundancy.

Network storage

I can configure and troubleshoot network storage solutions such as NFS and SMB, including permissions, mounts, performance and availability.

System Automation

Shell scripting

I can automate repetitive administration tasks using shell scripts, making system maintenance, deployment and operational workflows more consistent.

Python automation

I can develop Python tooling to automate server administration, interact with APIs, process data and manage infrastructure.

Configuration automation

I can automate system configuration and maintenance so that servers can be provisioned and managed consistently rather than relying on manual changes.

Mail & Communications Infrastructure

Mail server administration

I can configure and maintain self-hosted mail infrastructure, including SMTP services, mail delivery, mailbox management and supporting services.

Email deliverability

I can investigate email delivery problems and configure SPF, DKIM, DMARC and other mail authentication mechanisms to improve deliverability.

Spam filtering

I can implement and tune email filtering systems to reduce spam and unwanted messages while minimising false positives.

Cloud & AWS Infrastructure

AWS Architecture

AWS architecture design

I can design AWS infrastructure around your application's requirements, considering performance, security, reliability, operational complexity and cost. I aim to build architectures that are appropriate for your business rather than unnecessarily complicated.

Multi-account architecture

I can design and configure multi-account AWS environments to separate workloads, teams and environments. This includes account governance, networking, access controls and centralised security.

Serverless architecture

I can design and build serverless systems using services such as Lambda, API Gateway, DynamoDB and S3. This allows you to build scalable applications without taking on unnecessary server management.

High availability and disaster recovery

I can design infrastructure that can withstand component failures and recover from unexpected incidents, including redundancy, backups, failover and recovery planning.

AWS Compute

EC2 configuration

I can provision, configure and optimise EC2 instances for your workloads, including operating systems, networking, storage, security and monitoring.

AWS Lambda

I can build and maintain Lambda-based infrastructure for APIs, background processing and event-driven workloads, with an emphasis on reliability and cost efficiency.

ECS and container workloads

I can deploy and manage containerised applications using AWS ECS, including task definitions, networking, service configuration, scaling and deployment automation.

Compute optimisation

I can review your compute infrastructure to identify oversized instances, inefficient workloads and opportunities to reduce costs without compromising performance.

AWS Networking

VPC architecture

I can design and configure AWS Virtual Private Clouds, including subnet layouts, routing, security boundaries and connectivity between workloads.

Public and private subnets

I can design network layouts that separate publicly accessible resources from private infrastructure, improving security and giving you better control over traffic.

VPC peering

I can configure connectivity between AWS VPCs, allowing applications and services in separate networks to communicate securely.

Private connectivity

I can design private networking solutions for AWS workloads, reducing unnecessary public exposure and improving control over service communication.

AWS Storage

S3 architecture

I can design and configure S3 storage solutions, including bucket policies, lifecycle management, encryption, access controls and integration with your applications.

EBS optimisation

I can review and optimise your EBS volumes for performance and cost, including volume types, capacity, IOPS and storage configuration.

Storage lifecycle policies

I can implement automated storage lifecycle policies to move, archive or remove data according to your retention and cost requirements.

Infrastructure as Code

Terraform development

I can build and maintain Terraform configurations to manage your AWS infrastructure as code. This includes reusable modules, environment separation, state management and automated deployment workflows.

Terraform modules

I can develop reusable Terraform modules that make it easier to provision consistent infrastructure across multiple applications, environments and AWS accounts.

Infrastructure refactoring

I can improve existing infrastructure code by simplifying dependencies, reducing duplication and making changes safer and easier to maintain.

Infrastructure provisioning

I can automate the provisioning of cloud infrastructure, replacing manual configuration with repeatable, version-controlled deployments.

AWS Cost Management

AWS cost audits

I can review your AWS environment to identify unnecessary expenditure, underutilised resources, inefficient architectures and unexpected costs. You'll receive practical recommendations prioritised by potential savings.

Cost optimisation

I can help reduce your ongoing AWS expenditure through resource optimisation, architectural improvements, storage policies and more appropriate compute purchasing strategies.

Budgeting and forecasting

I can help establish AWS budgets, cost alerts and forecasting so you have better visibility of current expenditure and can anticipate future infrastructure costs.

FinOps

I can help introduce practical FinOps processes that give your engineering and finance teams better visibility and accountability around cloud spending.

AWS Security

IAM configuration

I can review and configure AWS Identity and Access Management, including roles, policies, permission boundaries and least-privilege access.

Secrets management

I can help remove credentials and sensitive configuration from application code and infrastructure, implementing safer secrets storage and access practices.

CloudTrail and audit logging

I can configure AWS audit logging and monitoring to improve visibility into account activity, configuration changes and potentially suspicious behaviour.

AWS security audits

I can review your AWS accounts for security misconfigurations, excessive permissions, exposed resources and weaknesses in your infrastructure architecture.

AWS Operations

AWS account administration

I can help administer your AWS accounts, manage access, configure services and maintain the operational foundations of your cloud environment.

CloudWatch monitoring

I can configure CloudWatch metrics, logs, dashboards and alarms to give you better visibility into your AWS infrastructure and applications.

Infrastructure troubleshooting

I can investigate AWS infrastructure problems, including networking, permissions, service failures, performance issues and unexpected behaviour.

Backup and recovery

I can design and implement AWS backup solutions, including automated snapshots, retention policies, recovery testing and disaster recovery procedures.

AWS Migrations

On-premises to AWS

I can help migrate existing applications, servers and services from on-premises infrastructure into AWS, including architecture planning, migration execution and post-migration optimisation.

AWS account migrations

I can help move applications and infrastructure between AWS accounts, planning resource transfers, permissions, networking and service dependencies.

Application migrations

I can migrate existing applications to AWS, assessing their dependencies and selecting an appropriate hosting and deployment architecture.

DevOps & Engineering Operations

CI/CD & Deployment

CI/CD pipeline development

I can design and implement automated build, test and deployment pipelines using tools such as Buildkite and GitHub Actions. The goal is to make software releases faster, more consistent and less dependent on manual intervention.

Buildkite configuration

I can configure and maintain Buildkite pipelines for your development teams, including build agents, deployment workflows, testing and integration with your existing infrastructure.

GitHub Actions

I can implement GitHub Actions workflows to automate testing, builds, deployments and repository maintenance directly within your GitHub environment.

Deployment automation

I can automate application and infrastructure deployments, reducing human error and making releases repeatable and predictable.

Release management

I can help improve your release processes, including deployment strategies, rollback procedures, release coordination and production change management.

Infrastructure Automation

Terraform automation

I can automate infrastructure provisioning and management with Terraform, integrating infrastructure changes into your existing development and deployment workflows.

Python automation

I can develop Python tools to automate operational tasks, integrate services, manage infrastructure and eliminate repetitive manual processes.

Configuration management

I can introduce automated configuration management to keep servers and environments consistent, reducing configuration drift and manual maintenance.

GitOps & Version Control

GitOps workflows

I can implement Git-based infrastructure and deployment workflows, making changes traceable, reviewable and repeatable through version control.

GitHub Enterprise administration

I can help administer GitHub Enterprise, including organisation configuration, repository policies, access management, security settings and developer workflows.

Repository security

I can improve the security of your source code repositories through branch protection, access controls, secret scanning, dependency policies and repository governance.

Containers & Orchestration

Docker

I can containerise your applications using Docker, creating consistent environments for development, testing and production.

Docker Compose

I can configure Docker Compose environments for applications involving multiple services, making local development and self-hosted deployments easier to manage.

Container deployment

I can design and implement container deployment workflows, including image builds, registries, networking, configuration and automated releases.

Kubernetes

I can assist with Kubernetes architecture, deployment and operational configuration where container orchestration is appropriate for your requirements.

Monitoring & Observability

Infrastructure monitoring

I can implement monitoring for your servers, cloud infrastructure and network services, providing visibility into resource utilisation, availability and system health.

Application monitoring

I can introduce application monitoring to help identify errors, performance degradation and operational problems before they significantly affect users.

Centralised logging

I can consolidate logs from your applications and infrastructure into a centralised system, making it easier to investigate incidents and understand system behaviour.

Alerting

I can configure useful operational alerts that notify the right people when something needs attention, without overwhelming your team with unnecessary notifications.

Reliability Engineering

Site Reliability Engineering

I can help introduce SRE practices that improve service reliability, including service-level objectives, monitoring, incident management and reducing operational toil.

Incident management

I can help establish processes for responding to production incidents, coordinating investigations, communicating impact and restoring services efficiently.

Root cause analysis

I can investigate recurring incidents and failures to identify their underlying causes, then help implement changes that prevent them from happening again.

Operational maturity

I can assess how your engineering and infrastructure operations work today and help improve processes, automation, monitoring and reliability.

Developer Experience

Developer tooling

I can build and improve the tools your developers use every day, reducing friction in common workflows and helping your team spend more time building software.

Internal developer platforms

I can help build internal platforms that simplify how developers provision infrastructure, deploy applications and manage their development environments.

Development environments

I can improve your development environments so that developers can get started quickly and work with consistent, reproducible configurations.

Security & Compliance

Security Auditing

Infrastructure security audits

I can review your infrastructure for security weaknesses, misconfigurations, excessive permissions and unnecessary exposure. I'll provide practical findings and recommendations prioritised by risk.

AWS security audits

I can assess your AWS accounts and infrastructure for security problems, including IAM permissions, network exposure, logging, encryption and service configuration.

Application security reviews

I can review your applications for common security weaknesses, including authentication flaws, insecure data handling, vulnerable dependencies and unsafe configurations.

Security gap analysis

I can assess your current security practices against your desired security objectives, identifying gaps and helping you prioritise improvements.

Security Hardening

Linux hardening

I can strengthen the security of your Linux servers through safer service configuration, access controls, patching, firewall rules and removal of unnecessary services.

AWS hardening

I can improve the security of your AWS environment by tightening permissions, reviewing exposed resources, improving logging and applying appropriate security controls.

Network hardening

I can reduce your network attack surface through segmentation, firewall configuration, access restrictions and improved network architecture.

Vulnerability Management

Vulnerability assessments

I can assess your systems and applications for known vulnerabilities and security weaknesses, helping you understand your exposure and prioritise remediation.

Dependency vulnerability reviews

I can review your application's third-party dependencies for known security issues and help establish a process for keeping them updated.

Remediation planning

I can help translate security findings into a practical remediation plan, prioritising vulnerabilities according to their severity, exploitability and business impact.

Penetration Testing

Web application testing

I can help assess the security of web applications through authorised testing of authentication, access controls, input handling and common application vulnerabilities.

Infrastructure penetration testing

I can assess the security of your infrastructure through authorised testing of exposed services, network boundaries and configuration weaknesses.

API security testing

I can help test APIs for authentication problems, broken access controls, insecure data exposure and other common API security weaknesses.

Compliance & Governance

SOC 2 readiness

I can help prepare your technical infrastructure and engineering processes for SOC 2 audits, including security controls, access management, monitoring, logging and evidence collection.

ISO 27001 alignment

I can help assess and improve the technical aspects of your environment against ISO 27001 requirements, working alongside your broader compliance programme.

CIS benchmarks

I can review and harden your infrastructure against relevant CIS security benchmarks, helping you improve the consistency and security of system configuration.

Audit preparation

I can help prepare the technical evidence and infrastructure documentation needed for security audits, including access reviews, configuration records and operational controls.

Identity & Access Management

IAM architecture

I can design identity and access management systems that give people and applications the permissions they need without granting unnecessary access.

Least privilege access

I can review existing permissions and help implement least-privilege access policies, reducing the potential impact of compromised accounts and credentials.

Multi-factor authentication

I can help implement and enforce multi-factor authentication across your infrastructure and business systems to strengthen account security.

Privileged access management

I can help improve how administrative and privileged access is granted, managed, monitored and revoked across your systems.

Threat Detection & Response

Intrusion detection

I can help implement intrusion detection capabilities to identify suspicious activity across your servers and network, giving you earlier warning of potential compromises.

Security monitoring

I can configure security-focused monitoring and alerting to improve visibility into authentication events, system changes and potentially malicious activity.

Incident response

I can assist with investigating security incidents, understanding what happened, containing affected systems and implementing improvements to prevent recurrence.

Data Protection

Data encryption

I can help implement encryption for sensitive data at rest and in transit, including appropriate key management and access controls.

Secrets management

I can help centralise and secure application credentials, API keys and other sensitive configuration, removing hardcoded secrets and improving access management.

Data retention policies

I can help implement technical controls for data retention, archival and deletion, reducing unnecessary storage and supporting your compliance obligations.

Networks & Connectivity

Network Architecture

Network design

I can design network architectures that provide reliable connectivity, appropriate security boundaries and room for future growth, whether on-premises or in the cloud.

Network segmentation

I can divide your network into appropriately isolated segments, reducing unnecessary communication between systems and limiting the impact of security incidents.

Routing architecture

I can design and troubleshoot network routing, including subnet layouts, route tables, gateways and connectivity between different environments.

VPNs & Remote Access

Tailscale

I can deploy and configure Tailscale to provide secure connectivity between your servers, devices and networks without the complexity of traditional VPN infrastructure.

WireGuard

I can implement WireGuard VPNs for fast, lightweight and secure connectivity between servers, networks and remote users.

OpenVPN

I can configure and maintain OpenVPN infrastructure, including server setup, client configuration, certificate management and access controls.

Site-to-site VPNs

I can establish secure VPN connections between separate networks, allowing offices, cloud environments and remote infrastructure to communicate privately.

Secure remote working

I can design secure remote access solutions that allow staff and administrators to reach internal systems without unnecessarily exposing services to the internet.

DNS & Domain Management

DNS architecture

I can design and manage DNS infrastructure for your applications and business, including zone management, delegation, redundancy and advanced routing.

Route 53

I can configure AWS Route 53 for domain management, DNS hosting, health checks and intelligent traffic routing.

Cloudflare DNS

I can configure Cloudflare DNS and integrate it with your websites and infrastructure, including security, proxying and traffic management.

DNS troubleshooting

I can diagnose DNS resolution problems, incorrect records, delegation issues and other faults affecting connectivity and service availability.

Firewalls & Network Security

Firewall configuration

I can configure and maintain firewall rules to control network traffic, restrict unnecessary access and protect your infrastructure from unwanted connections.

Network access controls

I can implement network access policies that ensure only authorised users, devices and services can communicate with sensitive infrastructure.

Traffic filtering

I can configure traffic filtering to protect your services from unwanted requests, abusive traffic and unauthorised network access.

Network Performance

Latency investigation

I can investigate network latency and connectivity problems, identifying bottlenecks between users, applications, servers and external services.

Network diagnostics

I can diagnose difficult networking problems using packet analysis, routing investigation, connection testing and system-level troubleshooting.

Connectivity troubleshooting

I can investigate unreliable or failing network connections, from local network configuration through to VPNs, cloud networking and external connectivity.

Cloud Networking

AWS VPC

I can design and configure AWS VPC networking, including subnets, routing, gateways, security groups and connectivity between cloud workloads.

Private networking

I can build private networking solutions that allow your infrastructure and services to communicate without exposing everything to the public internet.

Hybrid cloud connectivity

I can connect cloud infrastructure with existing networks and on-premises systems, designing secure and reliable communication between environments.

TLS & Certificates

TLS configuration

I can configure TLS for your websites, APIs and internal services, ensuring secure communication and appropriate protocol and cipher settings.

Certificate automation

I can automate certificate issuance, renewal and deployment so that certificates remain valid without relying on manual intervention.

HTTPS troubleshooting

I can investigate certificate errors, TLS handshake failures, hostname mismatches and other problems affecting secure connections.

Databases & Data Infrastructure

Database Administration

PostgreSQL administration

I can install, configure, maintain and troubleshoot PostgreSQL databases, including access controls, backups, replication and ongoing performance management.

MySQL administration

I can administer MySQL databases, including installation, configuration, backup management, replication, upgrades and performance troubleshooting.

DynamoDB administration

I can help design and maintain DynamoDB tables, access patterns, indexes and capacity settings for applications running on AWS.

Database configuration

I can review and improve your database configuration to better suit your workload, hardware and operational requirements.

Database Design

Database architecture

I can help design a database architecture that suits your application, considering data relationships, access patterns, consistency requirements and future growth.

Schema design

I can design and improve database schemas to support your application requirements while maintaining data integrity and making future changes manageable.

Data modelling

I can help model your business data and translate it into an appropriate database structure, balancing maintainability, performance and application requirements.

Database selection

I can help you choose the right database technology for your application, comparing relational, document, key-value and other storage models.

Performance & Optimisation

SQL query optimisation

I can investigate slow SQL queries and improve their execution through query analysis, indexing, schema changes and execution plan optimisation.

Index optimisation

I can review your database indexes to identify missing, inefficient or redundant indexes and improve query performance without unnecessarily increasing storage overhead.

Database performance tuning

I can investigate database performance bottlenecks and improve configuration, queries, indexes and resource utilisation to make your database more responsive.

Connection pooling

I can implement and configure database connection pooling to reduce connection overhead and improve the efficiency and scalability of your applications.

Scaling & Availability

Database scaling

I can help scale your database infrastructure as application demand increases, considering hardware, query patterns, replication and architectural changes.

Read replicas

I can configure read replicas to distribute database workloads, improve read performance and support applications with high read demand.

Database replication

I can implement and troubleshoot database replication to improve availability, distribute workloads and maintain copies of important data.

High availability

I can design database environments with appropriate redundancy and failover capabilities to reduce downtime and improve service resilience.

Database Migrations

Database migrations

I can plan and execute database migrations between environments and platforms, including schema conversion, data transfer, validation and cutover.

Database upgrades

I can plan and perform database engine upgrades, assessing compatibility, dependencies and recovery options to minimise operational risk.

Cloud database migration

I can help move databases into AWS-managed services or other cloud environments, considering performance, availability, security and ongoing costs.

Backup & Recovery

Database backup strategies

I can design automated database backup strategies that account for your data retention requirements, recovery objectives and operational constraints.

Point-in-time recovery

I can configure and test point-in-time recovery so that databases can be restored to a specific moment before accidental changes or data corruption.

Backup testing

I can review and test your database recovery procedures to ensure your backups are actually usable when you need them.

Data Engineering

Data pipelines

I can build automated data pipelines that move and transform information between applications, databases and external services.

ETL automation

I can automate extract, transform and load workflows to reduce manual data processing and improve the consistency of your reporting and data systems.

Data synchronisation

I can build reliable data synchronisation between systems, handling scheduling, change detection, retries and error recovery.

Chat Apps & Business Integrations

Slack Development

Slack app development

I can design and build custom Slack applications that integrate with your existing systems and business processes. This includes slash commands, interactive interfaces, automated workflows and external API integrations.

Slash commands

I can build custom Slack slash commands that allow your team to interact with internal tools and external services directly from Slack.

Interactive components

I can develop interactive Slack interfaces using buttons, menus, modals and Block Kit to make complex workflows accessible directly within conversations.

Slack API integrations

I can integrate Slack with your existing applications and services, allowing information and actions to flow between your team's communication platform and other systems.

Microsoft Teams Development

Teams app development

I can build custom Microsoft Teams applications that integrate with your business systems and extend what your team can do directly within Teams.

Teams bot development

I can develop Teams bots that respond to commands, automate workflows and connect your team's conversations with external services and internal applications.

Adaptive Cards

I can build interactive Microsoft Teams Adaptive Cards to present information, collect user input and create structured workflows directly inside Teams.

Microsoft 365 integrations

I can integrate Teams applications with Microsoft 365 services and external systems, helping automate processes and connect the tools your organisation already uses.

Discord Development

Discord bot development

I can build custom Discord bots to automate tasks, integrate external services and provide interactive functionality within your Discord servers.

Slash commands

I can develop Discord slash commands that give users convenient access to custom functionality, integrations and automated workflows.

Discord API integrations

I can connect Discord with your existing applications and infrastructure using the Discord API, webhooks and custom bot functionality.

Chat-based Automation

Approval workflows

I can build approval workflows that allow team members to request, review and approve actions directly within their chat application.

Resource allocation

I can develop systems that help teams coordinate shared resources such as test environments, staging servers, infrastructure and equipment through chat-based interfaces.

Team coordination

I can automate team coordination processes, helping people organise work, communicate changes and manage shared responsibilities without leaving their chat application.

Automated notifications

I can connect your systems to Slack, Teams or Discord to deliver useful notifications about deployments, incidents, infrastructure changes and business events.

Business System Integrations

CRM integrations

I can connect your CRM with other business systems to automate data transfer, notifications and workflows, reducing repetitive administrative work.

Third-party service integrations

I can connect the services your business relies on through APIs and custom integration code, making disparate systems work together more effectively.

Custom integration development

I can build bespoke integrations where existing connectors aren't sufficient, handling data transformation, authentication, error recovery and ongoing reliability.

Custom Bots & Applications

Custom chatbots

I can develop chat-based applications that provide access to business functionality, automate common requests and connect people with the systems they need.

Internal business bots

I can build internal bots that help your staff interact with infrastructure, databases and business systems using familiar chat interfaces.

Conversational interfaces

I can create conversational interfaces that simplify access to complex systems, allowing people to perform tasks and retrieve information through natural interactions.

Backups, Recovery & Business Continuity

Backup Solutions

Backup architecture

I can design a backup architecture that protects your important systems and data, taking into account retention requirements, recovery objectives, security and cost.

Automated backups

I can implement automated backup processes for servers, databases and applications, reducing reliance on manual procedures and ensuring backups happen consistently.

Encrypted backups

I can configure encrypted backup systems that protect sensitive information both in storage and during transfer, with appropriate key management.

Retention policies

I can help establish backup retention policies that balance recovery requirements, compliance obligations and storage costs.

Disaster Recovery

Disaster recovery planning

I can help plan how your systems and services would be restored following a major failure, outage or security incident, including practical recovery procedures.

Recovery time objectives

I can help define and implement recovery time objectives so you understand how quickly critical systems need to be restored following an outage.

Failover strategies

I can design failover mechanisms that allow critical services to continue operating when infrastructure or individual components become unavailable.

Business continuity planning

I can help establish the technical processes and infrastructure arrangements needed to keep essential business operations running during unexpected disruptions.

Data Recovery

File recovery

I can help investigate data loss and implement recovery procedures for files and storage systems, including recovery from backups and snapshots.

Database recovery

I can help recover databases following corruption, accidental deletion or infrastructure failure, using available backups, snapshots and transaction logs.

Data restoration testing

I can test your restoration procedures to verify that backups can actually be recovered and that the process meets your recovery requirements.

Resilience & Redundancy

Infrastructure redundancy

I can identify single points of failure in your infrastructure and implement appropriate redundancy to improve availability and reduce the risk of outages.

High availability

I can design and implement highly available infrastructure using redundancy, health checks, load balancing and automated recovery mechanisms.

Failure analysis

I can review how your systems respond to failures and identify improvements that make your infrastructure more resilient and predictable.

Managed IT & Ongoing Support

Linux & Server Support

Ad hoc Linux administration

I can provide experienced Linux administration when you need an extra pair of hands, whether that's investigating a problem, configuring a service or tackling a specific technical task.

Server maintenance

I can take care of routine server maintenance, including updates, monitoring, configuration reviews and general system housekeeping.

Ongoing server support

I can provide ongoing technical support for your Linux servers, helping keep systems secure, reliable and properly maintained without requiring you to employ a full-time administrator.

Cloud Management

AWS account management

I can help manage your AWS accounts and infrastructure, including access, configuration, monitoring, security and general cloud administration.

Cloud infrastructure maintenance

I can maintain your cloud infrastructure, handling updates, configuration changes, operational issues and ongoing improvements.

AWS cost monitoring

I can monitor your AWS expenditure, investigate unexpected cost increases and identify opportunities to keep your cloud spending under control.

Staff & Account Administration

Staff onboarding

I can help automate and manage the technical side of staff onboarding, including account creation, access permissions and provisioning the systems employees need.

Staff offboarding

I can help establish reliable staff offboarding processes, ensuring access is revoked, accounts are disabled and company resources remain protected when people leave.

User account provisioning

I can automate user account creation and configuration across your systems, reducing manual administration and improving consistency.

Access and permissions management

I can help manage access to your infrastructure and business systems, ensuring people have appropriate permissions and that access remains up to date.

GitHub Administration

GitHub Enterprise administration

I can administer your GitHub Enterprise environment, including organisation settings, team structures, repository policies, security controls and user access.

Repository management

I can help organise and maintain your source code repositories, including permissions, repository settings, branch protection and standardised workflows.

Team and permission management

I can establish and maintain GitHub teams and permissions, making it easier to manage access as your engineering organisation grows.

Monitoring & Maintenance

Infrastructure monitoring

I can monitor your infrastructure and services, giving you visibility into availability, performance and potential operational problems.

System updates

I can manage operating system and software updates across your servers, keeping systems current and reducing the risks associated with outdated software.

Proactive maintenance

I can take a proactive approach to infrastructure maintenance, identifying potential problems and addressing them before they become incidents.

Technical Support

Ad hoc technical assistance

I can provide experienced technical assistance when your team encounters a problem that needs specialist attention or simply needs an additional engineer to get something done.

Production troubleshooting

I can investigate production issues, identify root causes and implement fixes to restore service and improve long-term reliability.

Developer support

I can work alongside your development team to resolve infrastructure, deployment, application and operational problems that are slowing down delivery.

Ongoing technical support

I can provide ongoing access to experienced engineering and infrastructure support on an agreed basis, without the overhead of recruiting a permanent employee.

Technical Consulting & Architecture

Technical Strategy

Technical roadmaps

I can help develop a practical technical roadmap for your business, identifying priorities, dependencies and improvements that support your commercial objectives.

Architecture planning

I can help plan the technical architecture of new systems and services, balancing functionality, reliability, scalability, security and cost.

Build versus buy decisions

I can provide independent technical advice on whether to build custom software, adopt an existing product or integrate available services. I'll help you understand the trade-offs before committing time and money.

Technology selection

I can help you choose technologies and platforms based on your actual requirements, existing systems, available expertise and long-term operational needs.

Architecture Reviews

AWS architecture reviews

I can independently review your AWS architecture, identifying unnecessary complexity, security risks, performance bottlenecks and opportunities to improve cost efficiency and reliability.

Application architecture reviews

I can review your application architecture and provide an independent assessment of its design, maintainability, scalability and suitability for your future requirements.

Infrastructure assessments

I can assess your existing infrastructure to understand how it is configured, where the risks lie and what improvements would deliver the greatest benefit.

Technical debt assessments

I can investigate accumulated technical debt across your applications and infrastructure, helping you understand which issues are worth addressing and how to prioritise them.

Cost & Efficiency Reviews

Cloud cost reviews

I can examine your cloud expenditure and infrastructure architecture to identify unnecessary costs and practical opportunities to improve efficiency.

Infrastructure efficiency

I can review how effectively your infrastructure is being used, identifying overprovisioned resources, redundant services and opportunities to simplify operations.

Technical cost reduction

I can help reduce the ongoing cost of running your technology by improving architecture, automation, resource utilisation and operational processes.

Technical Rescue & Remediation

Failing infrastructure

I can step into struggling infrastructure environments, investigate what isn't working and help stabilise systems before addressing the underlying problems.

Production instability

I can investigate recurring production outages, unreliable services and unexplained failures, working to restore stability and prevent further incidents.

Legacy system remediation

I can help rescue and improve older systems that have become difficult to maintain, insecure or unreliable, prioritising practical improvements over unnecessary rewrites.

Technical debt reduction

I can help tackle the technical debt that is slowing your team down, identifying the most important problems and implementing improvements incrementally.

Infrastructure recovery

I can assist when infrastructure changes, failed deployments or unexpected incidents have left systems in a broken or degraded state, helping restore normal operations.

Engineering Leadership

Technical leadership

I can provide experienced technical leadership to help guide engineering decisions, establish priorities and ensure your technology supports the direction of your business.

Engineering team mentoring

I can work alongside your engineers, sharing practical experience in software development, infrastructure, DevOps and operational practices.

Fractional technical leadership

I can provide experienced technical leadership without requiring a full-time executive hire. This can include architecture decisions, engineering strategy, team guidance and oversight of technical delivery.

Engineering processes

I can help improve the way your engineering team plans, develops, reviews and deploys software, introducing processes that improve delivery without creating unnecessary bureaucracy.

Startup & Business Support

Startup technical foundations

I can help startups establish sound technical foundations, from cloud infrastructure and deployment pipelines to application architecture and security. The focus is on building something that can grow without spending money unnecessarily early on.

MVP development

I can help turn an idea into a working minimum viable product, making practical technology choices and concentrating development effort on the functionality that matters most.

Early-stage infrastructure

I can establish the cloud infrastructure, automation, monitoring and deployment processes a young business needs to launch and operate its product reliably.

Scaling technical operations

I can help growing businesses evolve their infrastructure and engineering practices as their customers, workloads and development teams increase.

Technical due diligence

I can independently assess the technical foundations of a business or product, identifying infrastructure risks, security concerns, scalability limitations and potential future costs.

Project Delivery

Technical project implementation

I can take ownership of specific technical projects, from initial investigation and planning through implementation, testing and handover.

Short-term engineering assistance

I can join your team for a short engagement to provide specialist engineering skills, tackle a backlog of technical work or help deliver something your existing team doesn't have the capacity to handle.

Infrastructure projects

I can design and implement infrastructure projects, including cloud migrations, Terraform deployments, networking changes, monitoring and security improvements.

Specialist technical consulting

I can provide independent expertise for difficult technical problems that require experienced investigation, architectural thinking or hands-on implementation.