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As a seasoned engineer with over five years in complex software systems across multiple industries (such as Logistics systems, HealthTech, EdTech, among others), I bridge the gap between complex technical challenges and accessible solutions. My expertise in cloud-based applications isn't just about writing code, it's about making technology work for people. Whether you're struggling with debugging code, designing efficient algorithms, or navigating complex system architectures, I've been in your shoes. I've developed enterprise applications from the ground up and guided hundreds of learners through challenges ranging from basic syntax errors to advanced architectural decisions. **What sets me apart? I don't just solve problems, I help you understand them. My approach combines hands-on engineering experience with a talent for explaining complex concepts in straightforward terms. From untangling complex code issues to optimizing system performance, I translate technical challenges into clear, actionable steps**. My greatest achievement isn't the systems I've built, it's watching my mentees transform from curious beginners to confident professionals. This journey has sharpened my ability to meet you exactly where you are—whether you need an expert to help resolve a persistent bug or a patient guide through new programming paradigms. **Let me help you turn technical obstacles into opportunities for growth.**
I am a **Multi-talented** professional adept in **Full Stack Web Development**, **Web Security Research**, and **Robotics Engineering**. As a dedicated Web Security Researcher and ethical hacker, I uncover vulnerabilities and mitigate security risks, bridging the gap between development and cybersecurity. Additionally, as a Robotics Engineer, I design and build sophisticated robotic systems, applying my deep understanding of mechanics, electronics, and programming. Passionate about crafting clean, scalable code and innovative robotics solutions, I contribute to projects that prioritize both robust development, cybersecurity practices, and cutting-edge robotic technology.
I have a great passion for solving problems and can help people with various programming languages, databases, information systems, software related projects.
Web developer with advanced experience working on large-scale Javascript apps. Specialized in rendering and DOM performance. Personal site - [https://chrisdolphin.dev](https://chrisdolphin.dev/)
Fractional CTO, Operations & Systems Architect with over two decades of experience leading software strategy, enterprise CMS platform architecture, and multi-tenant cloud ecosystems. Intimately familiar with both proprietary and open-source stacks, bolstered by deep expertise in WebOps, CI/CD deployment pipelines, and high-availability infrastructure. Proven knowledge leader and Systems Design Analyst offering unique change management and operational frameworks that elevate delivery performance, streamline agency workflows, and drive organizational efficiency. Experienced in aligning executive leadership, engineering, and product teams across distributed environments. Continuous process and systems improvement specialist with over 15 years as a remote worker and community leader. Active in the open-source community, having served as Lead Organizer for [MidCamp](https://www.midcamp.org/), and currently serving as a staff member for [Drupal 4 Gov](https://www.drupal4gov.us/) and founder of the [Digital Career Sandbox](https://www.linkedin.com/company/digital-career-sandbox/) community.
I’m a senior mobile + backend engineer with 20+ years in software (PHP since 2002; professional since 2005) and 10+ years building mobile apps. I help teams ship and stabilize real products—especially apps that are “almost done” but stuck on crashes, performance, flaky networking, or release blockers. What I can help you with (fast, practical): • iOS (Swift, SwiftUI, UIKit): crash fixes, performance/memory, concurrency issues, architecture cleanup • Flutter (iOS/Android/macOS): reliability, state consistency, networking/retry behavior, release readiness • Backend stability (PHP/Laravel or custom, Python/Django, Rails): idempotency, queues, DB performance, webhook safety • Firebase + mobile reliability: Auth/Firestore rules, Cloud Functions patterns, analytics/instrumentation • Monetization + shipping: RevenueCat/IAP reliability, App Store Connect/Play Console, CI/CD, rejection handling Recent work includes taking a messy iOS codebase (CakeClub) to production-ready with a Firebase Cloud Functions v2 backend, stronger security patterns, CI/release automation, and RevenueCat integration; and delivering major cross-platform Flutter work (BillBlaster) including design refinements, admin tooling, and push notification features. If you come with logs/screenshots (Crashlytics traces, network errors, repro steps), I’ll give you a clear diagnosis and a prioritized fix plan—and if it makes sense, I can execute the fixes as a focused sprint.
# 👋 How Do I Help? Just like a good doctor with a patient. I listen carefully, analyze deeply, and work toward the best solution. When mentoring, I approach with extra care, empathy, and patience. --- # ⚖️ My Work Ethic - **Honesty first**: No false promises, no wasted time. - **Client satisfaction matters most**: I only accept payment when clients are happy with the outcome. --- # 🔗 Find More Details - **LinkedIn**: [linkedin.com/in/rctushar07](https://www.linkedin.com/in/rctushar07) --- # 🌟 Why Choose Me? - **6+ years** in Full-Stack, Cloud & Data Engineering within the tech industry - Contributed to **5 industrial projects**, collaborating within large teams - **10 years of coding experience** and **2000+ competitive programming problems solved** - **10 LinkedIn recommendations** from international clients & teammates - **100+ aspiring professionals mentored** throughout my journey - Featured as **Top Full-stack Python Developer** in Prog.AI Analysis 👉 [Prog.AI Feature](https://www.linkedin.com/posts/prog-ai-hiring_python-python3-javascript-activity-7296196512563257345-Fx11) --- # 🎯 What Do I Offer? ## 💻 Development Services - **Web apps** using Django, Flask, FastAPI, React, NextJs - **N8N Automation** - **Cloud infrastructure development** & serverless apps - Database design & **performance optimization** - Troubleshooting & debugging with clear communication - **Data Engineering** & ETL pipelines - Web scraping, data collection, and visualization - Data ingestion, processing, and transformation for analytics - Workflow automation with **Python scripts** - Custom **Python libraries** & reusable Django apps - Third-party API integration (Stripe, social media, etc.) ## 👨🏫 Personalized Mentorship - Guidance for college/university projects & assignments - Short & long term mentorship on **backend, cloud, or data engineering** - Live **1:1 resume review** - Mock **DSA coding interviews** - Code reviews with professional insights - Project planning & management guidance (methodologies, challenges, team dynamics) - Advice on handling **stress & challenges** at work (deadlines, communication, disagreements, etc.) ---
Tech Lead and Mentor with ten years of experience in various domains and tech stacks following the industry's best practices, architecture, testing, code reviews, debugging, profiling, and CI/CD pipelines. **I have something special for you - let's discover:** - Student discount is applied automatically. - Displayed rate is not pocket friendly - no worries - I have something special for you. <br/> **Highlights:** - Mentoring is one of my passions, and I have helped numerous mentees on their journey to become successful developers in various fields such as web, native mobile, and cross-platform development. - I have helped many developers to fix critical bugs and implement complex features on the platform. - Proficient in working with teams on software development life cycle(SDLC) from requirement gathering or planning, defining, designing technical architecture, building or developing, testing, deploying, and maintaining applications - Well verse with development process/tools like Github Actions, CircleCI, CodeMagic, Fastlane, Jenkins, BuddyBuild, Git workflow, Github workflow, Agile PM tools, Continuous integration, and continuous deployment(CI & CD), Test/Domain-driven development with keeping healthy test code coverage, etc. - Proficient in creating and working with different kinds of APIs - REST / GraphQL - Proficient in working with databases SQL and NoSQL - Proficient in object-oriented design, data structures, problem-solving, complexity analysis, and debugging. - Proficient in writing efficient, maintainable, reusable, testable code that preserves privacy and security. - Proficient with different platform/services integrations - Right knowledge of toolset and libraries for effective and productive work.
With over a decade of experience in full-stack development, I specialize in **Ruby on Rails, custom eCommerce solutions** (Spree, Solidus), **ReactJS**, and **DevOps**. My expertise spans designing and developing scalable, distributed cloud-based applications with a strong foundation in **database architecture** and **system refactoring**. As a technology leader, I’ve successfully delivered complex, high-impact projects across industries including **Real Estate, Finance, Healthcare, Marketing**, and **eCommerce**. My portfolio includes building sophisticated eCommerce marketplaces, **SaaS platforms**, and multi-channel selling applications. I am passionate about crafting innovative, robust software solutions tailored to meet diverse business needs. **Key Expertise:** - **Backend:** Ruby on Rails, building and scaling RESTful APIs. - **Frontend:** ReactJS, JavaScript, responsive UIs with Tailwind CSS, and Bootstrap. - **eCommerce Solutions:** Spree, Solidus, custom marketplaces, multi-tenant SaaS platforms. - **Database Architecture:** MySQL, PostgreSQL, MongoDB, Redis, Cassandra, optimized for high performance and scalability. - **DevOps:** CI/CD pipelines (CircleCI, AWS Pipeline), containerization (Docker), cloud platforms (AWS, GCP, Heroku, DigitalOcean). - **Test-Driven Development:** Expertise in TDD using RSpec, ensuring high code quality and maintainability. In addition to my technical expertise, I have a strong commitment to **open-source contributions** and have developed multiple **Ruby/Rails/Spree extensions**. I also bring a wealth of experience in **refactoring legacy code bases**, implementing **performance optimisation**, and improving **scalability** and **security**. My passion lies in helping businesses unlock their full potential through technology, and I am always eager to collaborate on long-term, impactful projects. Let’s build the future, one line of code at a time. Best regards, Rahul Singh
Bura Chuhadar is a seasoned Software Development Manager and hands-on tech leader based in the Washington DC–Baltimore area, with over 14 years of experience architecting and delivering large-scale enterprise software. At the Municipal Securities Rulemaking Board, he rose from Senior Developer to Software Development Manager, leading cross-functional teams to modernize microservices-based financial platforms processing millions of daily transactions using AWS, Kubernetes, and TypeScript. As Engineering Manager at Docker, he oversaw a team building enterprise Docker Hub features—Domain Audit, Bulk User Invite, Registry Access Management—leveraging Golang, ReactJS, Electron, PostgreSQL, and AWS. At Oracle, he managed two 15-member teams on a SaaS platform handling 40 billion transactions per day, developed a patented bulk email tracking solution (US Patent 10,938,770), and delivered high-impact integrations like SMS messaging and Shopify under tight deadlines. Earlier, Bura contributed as a Software Engineer at Medallia and as a Senior Software Engineer on Oracle Marketing Cloud’s back end, optimizing services at 15 billion transactions per day. He holds an M.S. in Computer Science (Machine Learning) from Georgia Tech and a B.S. in Business Administration with a minor in Mathematics & Computer Science from Istanbul Culture University. Fluent in English and Turkish (with limited French), he’s a passionate mentor, workshop facilitator, and lifelong learner committed to driving innovation and empowering teams.
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