I'm
Hasitha
Wickramasinghe
ABOUT
Application Architect
Full-stack Engineer
Application Architect and Senior Full-Stack Engineer with 7+ years of experience shipping scalable and resilient web applications using a modern tech stack that includes React, Next.js, Node.js and GenAI, on AWS leveraging Cloud-Native & AI-Native technologies such as Serverless and the Bedrock AgentCore runtime, with IaC.
Top Skills
AWS
React
Next
Node.JS
AWS CDK
Terraform
.NET
Express
Strapi CMS
GitHub Actions
Bedrock AgentCore
Docker
Api Gateway
GraphQL Federation
GitHub
GitLab
AWS AppConfig
SKILLS
Experience
Changelog from my journey
I've been working as an Application Architect (AWS) for the past year. Here's the timeline of my journey.
Feb 2025 - Present
Application Architect
Feb 2025 - Present
Application Architect
Jaiden Group
Houston, TX, United States (Remote)
- Driving the transition to cloud-native architectures, leveraging Serverless & Microservices to enhance scalability and resilience while optimizing for FinOps resulting in up to 32% reduction in cloud expenditure across projects.
- Standardized DevOps workflows by implementing automated CI/CD pipelines via GitHub Actions across active projects.
Feb 2023 - Feb 2025
Sr. Full Stack Developer
Feb 2023 - Feb 2025
Sr. Full Stack Developer
Jaiden Group
Houston, TX, United States (Remote)
- Accelerated deployment cycles by transitioning internal tools to IaC (AWS CDK & CloudFormation), significantly reducing manual overhead and infrastructure drift.
- Architected event-driven workflows using AWS Step Functions to handle complex business logic and distributed transactions.
Jul 2022 - Present
Technical Lead
Jul 2022 - Present
Technical Lead
Ok Webs IT Solutions
Colombo, LK (On-site)
- Led the architecture and delivery of high-scale cloud solutions, including an ML-driven recommendation engine using AWS Personalize for a dating platform.
- Mentored a cross-functional team on rigorous code reviews and technical roadmap planning through Scrum practices.
- Streamlined internal operations by building a custom AWS deployment portal using Coolify and AWS Service Catalog to empower non-technical teams with one-click infra provisioning.
Aug 2020 - Jul 2022
Full Stack Web Developer
Aug 2020 - Jul 2022
Full Stack Web Developer
Ok Webs IT Solutions
Colombo, LK (On-site)
- Owned the full-stack development lifecycle for diverse React/Node web applications, ranging from an online exam system to a complex inventory management SPA integrated with Clover.
Jun 2019 - Aug 2020
Developer | Consultant
Jun 2019 - Aug 2020
Developer | Consultant
Self-employed
Colombo, LK (Hybrid)
- Delivered end-to-end web and mobile solutions while providing strategic technical consultancy to non-technical stakeholders.
EXPERIENCE
Education & Certs
AWS Certified Generative AI Developer - Professional
Issued Mar 2026 · Expires Mar 2029 (Early Adopter)
BEng (Hons) in Software Engineering - First-Class Honours
London Metropolitan University (2019)
EDU & CERTS
Blog
Deep dives into building resilient, scalable and sustainable systems. Well-Architected explores the modern web and robust AWS infrastructure, focusing on best practices for the full-stack lifecycle.
Modern AWS Networking: Architecting with Transit Gateway, Cloud WAN, and VPC Lattice
Distributed Transactions and Eventual Consistency in AWS Microservices
The Ultimate Multi-Account & Multi-Regional AWS Terraform Landing Zone
Modern AWS Networking: Architecting with Transit Gateway, Cloud WAN, and VPC Lattice
Distributed Transactions and Eventual Consistency in AWS Microservices
The Ultimate Multi-Account & Multi-Regional AWS Terraform Landing Zone
Modern AWS Networking: Architecting with Transit Gateway, Cloud WAN, and VPC Lattice
Distributed Transactions and Eventual Consistency in AWS Microservices
The Ultimate Multi-Account & Multi-Regional AWS Terraform Landing Zone
Why I Swapped semantic-release for release-please
When AI-Written Code Becomes the Death of Deep Understanding
Amazon S3 Files for Stateful Containers
Why I Swapped semantic-release for release-please
When AI-Written Code Becomes the Death of Deep Understanding
Amazon S3 Files for Stateful Containers
Why I Swapped semantic-release for release-please
When AI-Written Code Becomes the Death of Deep Understanding
Amazon S3 Files for Stateful Containers
Deep Dive: Building a Secure, Event-Driven File Processing Pipeline with AWS CDK
Mastering Cross-Account SNS to SQS Subscriptions with AWS CDK
Protecting Your Users with NSFWJS
Deep Dive: Building a Secure, Event-Driven File Processing Pipeline with AWS CDK
Mastering Cross-Account SNS to SQS Subscriptions with AWS CDK
Protecting Your Users with NSFWJS
Deep Dive: Building a Secure, Event-Driven File Processing Pipeline with AWS CDK
Mastering Cross-Account SNS to SQS Subscriptions with AWS CDK
Protecting Your Users with NSFWJS
TECHNICAL BLOG
Open Source Highlights
Meilisearch Strapi Plugin
An open-source Strapi plugin that brings Strapi collections to Meilisearch, an open-source high-performance search engine written in Rust.
Merged PRs:
OSS CONTRIBUTIONS
Connect
Hasitha Wickramasinghe
Application Architect | AWS Certified Solutions Architect Pro & GeneAI Developer Pro | BEng (Hons) in Software Engineering | Full-Stack Developer
Building Resilient, Scalable, Sustainable and Well-Architected Systems.
FOOTER
Copyright © 2026 · Hasitha Wickramasinghe