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As a technology executive and seasoned software engineer, I fix things ranging from your app bugs and performance issues to your engineering processes and operations. With over 15+ years of experience and a reputation in the top 3% of Stack Overflow contributors, I bring a wealth of experience and expertise to the table. I've successfully delivered numerous projects with millions of users, driving key initiatives from development to C-level executive roles, including CTO and CIO. Client Review: "Simply amazing! A rare find—passionate, detail-oriented, and a great communicator. Goes above and beyond expectations. I will continue to hire for future projects!" Expertise: - Solution Architecture & Design - Lead Development Teams - Code & Architecture Review - Domain & Data Model Design - SQL & NoSQL Solutions - Mentoring & Pair Programming - Java, Kotlin, C#, Ruby, Python, TypeScript, React, Angular, and more - Troubleshooting & Bug Fixing Let’s work together to make your project a success. 🚀

More than 14 years' experience in software applications architecture, development and maintenance using Microsoft.NET technologies ASP.NET WebForms, MVC and Web API frameworks, ASP.NET Core, WCF, C#, VB.NET, SQL Server, Entity Framework, LINQ, IIS, Microsoft Azure Cosmos DB, Azure Blob and table storage. Experience of Responsive Single Page Applications development using Bootstrap, Angular, Typescript, Durandal JS, KnockoutJS and RequireJS, Lodash, Q promises and LESS. DevOps expertise with strong skills in migrating and setting up ASP.NET, PHP, Classic ASP, ColdFusion and Python web applications on Cloud infrastructure and on-premise server. Experience of deploying REST APIs and applications on Docker containers with Kubernetes orchestrator.

With over 15 years of experience in software development, my career has taken me from Sri Lanka to Singapore and now to New Zealand, working with clients across the globe, including the US, South Africa, Finland, Singapore, France, Australia, the UK, Sri Lanka, India, Taiwan, and New Zealand. I bring deep expertise in full-stack development, a passion for building scalable and user-friendly web applications, and a strong track record of delivering results in diverse, cross-cultural environments. I'm a Microsoft Certified Professional Developer and Microsoft Certified Trainer, with years of experience delivering technical content to corporate clients. I’m also a certified ArcGIS JavaScript Specialist, with hands-on experience working with Esri’s geospatial technologies. Beyond my technical capabilities, I currently serve as a Software Development Manager and People Leader, managing and mentoring a high-performing team of 15 software engineers. I specialize in career coaching, performance development, and creating a supportive environment that helps individuals, from new graduates to senior developers, reach their full potential. This leadership role has deepened my ability to guide others through job search strategies, resume reviews, and interview preparation, especially in the tech domain. Key Technical Skills: • Backend: ASP.NET, MVC, Web API, WCF, WPF, SignalR, WinForms • Frontend: JavaScript, jQuery, AngularJS, Vue.js, React, D3, ArcGIS JS API • Databases: MSSQL, Oracle, Sybase, PostgreSQL • Testing: NUnit, MSTest, Jasmine • Tools: Jira, Git, TFS, Azure DevOps, Rally, SVN Whether you're looking for hands-on development, technical leadership, or mentorship/coaching in the tech space, I bring the expertise, communication skills, and global perspective to deliver value. Let’s build something great together

🚀 I help SaaS founders and small teams ship scalable, secure Next.js + Supabase applications faster - including payments (Stripe), authentication, analytics, and GPT/AI-enabled features. 📊 My clients see faster launches, fewer bugs, and cleaner code that scales with their product vision. 🏆 100% Job Success & Top Rated on Upwork 🎯 API wizardry – built an API consumed 100 000+ times per day by OpenAI 🎬 Interactive experiences – delivered eye‑catching features for Roblox and Paramount Pictures 🧑‍⚖️ Domain breadth – trusted by Patent Attorneys, Real‑Estate Brokers and Silicon Valley executives 🧠 Mental‑health mission – currently shipping features for a mental‑health start‑up 🔁 Engineering mindset – former mechanical engineer who loves turning complex ideas into elegant code ⚙️ What I Build Front‑end: Next.js (App & Pages Router), React, Tailwind CSS, shadcn, GSAP animations for smooth, responsive interactions Back‑end: Supabase (Auth, Postgres, Edge Functions), Node.js, Stripe payments, Resend emails, serverless functions AI & integrations: Chatbots, GPT‑powered features, vector embeddings, third‑party APIs Extras: Pixel‑perfect responsiveness, SEO‑optimised structure, analytics, Vercel/Netlify deployments 🚀 Why Clients Hire Me Speed without shortcuts – I understand start‑up timelines and deliver quality code fast upwork.com Product mindset – I focus on user experience and business outcomes, not just code Clean & scalable code – modular TypeScript, strong typing and reusable components ensure maintainability Communication & reliability – proactive updates and transparent processes earn consistent 5‑⭐ reviews 🧭 How We’ll Work Together Discover & plan – discuss goals, users and timelines to define scope and success metrics Architect & design – choose the right stack (SSR/SSG, database schema) and map out UI/UX flows Build & iterate – develop front‑end & back‑end in sprints, share demos and incorporate feedback upwork.com Launch & scale – deploy to Vercel/Netlify, tune performance and validate Core Web Vitals Support & grow – iterate on features, run A/B tests, and optimise SEO & performance over time upwork.com Ready to transform your idea into a beautiful, high‑performance web app? Let’s talk! I respond within 24 hours and would love to help you build something extraordinary.

Highly skilled Magento Developer and Full Stack JavaScript Engineer with expertise in React.js, Next.js, and the MERN stack (MongoDB, Express.js, React.js, Node.js). Experienced in building scalable eCommerce platforms, custom API integrations, and responsive web applications with a strong focus on performance, security, and user experience. Proficient in Magento 2 backend & frontend development, headless commerce architecture, and REST/GraphQL API development. Adept at integrating third-party services, optimizing MySQL/MongoDB databases, and deploying applications on AWS, Azure, and Docker/Kubernetes environments. Strong knowledge of JavaScript (ES6+), PHP, MySQL, Redis, ElasticSearch, RabbitMQ, and Varnish caching. Demonstrated success in building custom modules, optimizing checkout flows, and implementing PWA storefronts using React/Next.js. Passionate about clean code, agile methodologies, and scalable system design, with a proven ability to collaborate in cross-functional teams and deliver end-to-end full-stack solutions. Core Skills & Keywords: Magento 2 Development (Backend & Frontend) React.js, Next.js, MERN Stack (MongoDB, Express.js, React.js, Node.js) Headless Commerce & PWA Development API Development & Integrations (REST, GraphQL, SOAP) Cloud & DevOps (AWS, Azure, Docker, Kubernetes) Database Optimization (MySQL, MongoDB, Redis, ElasticSearch) Performance Tuning & Security Enhancements Agile, CI/CD, Git, and Jira Magento Developer Magento 2 Development Magento Backend Developer Magento Frontend Developer Magento Full Stack Developer Magento 2 Custom Modules Magento 2 Extensions Magento 2 Theme Development Magento PWA Magento API Integration Magento 2 REST API Magento 2 GraphQL Magento Headless Commerce Magento Checkout Customization Magento 2 Multi-store Setup Magento Cloud Magento 2 Performance Optimization Magento 2 Security Magento 2 Migration Magento 2 Upgrade React.js Developer Next.js Developer React Frontend Developer Next.js Full Stack Developer React Hooks Redux Toolkit React Context API Next.js API Routes Next.js Server-side Rendering (SSR) Next.js Static Site Generation (SSG) React Component Development Responsive React UI React with Tailwind CSS Next.js Authentication React Performance Optimization React State Management Next.js SEO Optimization Next.js Middleware Headless React Storefront React Testing Library MERN Stack Developer MongoDB Developer Express.js Developer Node.js Developer React MERN Developer Full Stack MERN Developer MongoDB Aggregation MongoDB Atlas Express.js Middleware Node.js REST APIs Node.js GraphQL APIs MERN Authentication JWT Authentication OAuth2 Integration MERN E-commerce Apps MERN SaaS Applications MERN CRUD Applications MERN API Development MERN with TypeScript MERN Real-time Apps (Socket.io) Full Stack Developer JavaScript Full Stack PHP Full Stack Developer API Development Custom API Integrations Headless CMS Integration Server-side Rendering (SSR) Single Page Applications (SPA) Progressive Web Apps (PWA) Web Application Development RESTful API Design GraphQL API Development Database Optimization Microservices Architecture Cloud-native Applications Agile Development CI/CD Pipelines GitHub / GitLab / Bitbucket Dockerized Applications Kubernetes Deployment DevOps / Cloud & Tools Keywords AWS Developer Azure Developer Google Cloud Developer Docker Containers Kubernetes Orchestration Jenkins CI/CD Git Version Control Jira Agile Workflow Varnish Cache Optimization Redis Caching ElasticSearch Developer RabbitMQ Messaging Nginx Optimization Apache Web Server Cloudflare Integration SSL Implementation Performance Tuning Web Security Best Practices Scalability & High Availability Cross-functional Collaboration

Is your team looking for 𝗹𝗶𝗴𝗵𝘁𝗻𝗶𝗻𝗴-𝗳𝗮𝘀𝘁, 𝘀𝗲𝗰𝘂𝗿𝗲, 𝗮𝗻𝗱 𝗵𝗶𝗴𝗵𝗹𝘆 𝗰𝗼𝗻𝗰𝘂𝗿𝗿𝗲𝗻𝘁 applications that perform flawlessly across desktop and mobile? My expertise lies in leveraging Rust and Tauri to build groundbreaking 𝗰𝗿𝗼𝘀𝘀-𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺 𝘀𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 that optimise for efficiency and reliability, solving critical performance and scalability challenges. With over 5 years of full-stack development experience, including 𝟮+ 𝘆𝗲𝗮𝗿𝘀 𝗱𝗲𝗱𝗶𝗰𝗮𝘁𝗲𝗱 𝘁𝗼 𝗵𝗶𝗴𝗵-𝗽𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲, 𝗻𝗼𝗻-𝗯𝗹𝗼𝗰𝗸𝗶𝗻𝗴 𝗮𝘀𝘆𝗻𝗰 𝗥𝘂𝘀𝘁 𝘄𝗶𝘁𝗵 𝗧𝗼𝗸𝗶𝗼, I've consistently delivered robust solutions in demanding environments. I don't just write code; I transform complex problems into tangible business results. 𝗙𝗼𝗿 𝗲𝘅𝗮𝗺𝗽𝗹𝗲, I recently helped a client re-write their Bluetooth connection manager across multiple platforms, 𝙧𝙚𝙙𝙪𝙘𝙞𝙣𝙜 𝙡𝙖𝙩𝙚𝙣𝙘𝙮 by over 500ms per connection by expertly re-architecting their app in Tauri using Rust. This cross-platform solution now seamlessly handles multiple connections concurrently for Windows, Linux, macOS, and Android. My work on a 𝙎𝙤𝙡𝙖𝙣𝙖 𝙞𝙣𝙙𝙚𝙭𝙚𝙧 in Rust for another client ensured highly concurrent data processing from RPC endpoints to 𝙆𝙖𝙛𝙠𝙖, implementing robust CI/CD with GitHub Actions and Docker for enterprise-grade deployment. Beyond performance, I've also focused on expanding market reach by over 100% by re-building an iOS-only fitness app for Android. My contributions extend to decentralized systems, including the Holochain-based peer-to-peer API with Rust and 𝙒𝘼𝙎𝙈 𝙘𝙤𝙢𝙥𝙞𝙡𝙖𝙩𝙞𝙤𝙣, demonstrating versatility in cutting-edge technologies. My passion for innovation extends to crafting intuitive mobile-first applications and integrating cutting-edge 𝘼𝙄 and Large Language Model (𝙇𝙇𝙈) features to enhance user engagement and automate complex workflows. Whether it's adding an AI chat prompt to a core fitness app or designing sophisticated agentic workflows, I'm committed to building intelligent, impactful, and highly performant digital products. 𝗜 𝗰𝗮𝗻 𝗱𝗲𝗹𝗶𝘃𝗲𝗿... 💻 𝐇𝐢𝐠𝐡-𝐏𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐑𝐮𝐬𝐭 & 𝐓𝐚𝐮𝐫𝐢 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬: Blazing-fast, memory-efficient, and secure cross-platform solutions for desktop and web. 📱 𝐒𝐭𝐫𝐚𝐭𝐞𝐠𝐢𝐜 𝐌𝐨𝐛𝐢𝐥𝐞-𝐅𝐢𝐫𝐬𝐭 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: Building responsive, engaging experiences for iOS and Android, leveraging native capabilities or cross-platform frameworks. 🤖 𝐀𝐈 & 𝐋𝐋𝐌 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 𝐟𝐨𝐫 𝐌𝐨𝐛𝐢𝐥𝐞 & 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧: Embedding intelligent features into apps and creating custom AI automations and agentic workflows that drive efficiency. ⚙️ 𝐑𝐨𝐛𝐮𝐬𝐭 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 & 𝐃𝐞𝐜𝐞𝐧𝐭𝐫𝐚𝐥𝐢𝐳𝐞𝐝 𝐒𝐲𝐬𝐭𝐞𝐦𝐬: Designing scalable, concurrent APIs with Rust, Node.js, with expertise in blockchain and peer-to-peer architectures. ☁️ 𝐄𝐧𝐝-𝐭𝐨-𝐄𝐧𝐝 𝐃𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭 & 𝐃𝐞𝐯𝐎𝐩𝐬: Implementing seamless CI/CD pipelines (GitHub Actions, Docker) for reliable, cross-platform releases. 𝐋𝐚𝐧𝐠𝐮𝐚𝐠𝐞𝐬: Rust (Tokio, Axum, Rocket, Leptos), TypeScript, JavaScript, Kotlin, SwiftUI. 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬 & 𝐋𝐢𝐛𝐫𝐚𝐫𝐢𝐞𝐬: Tauri, React, Vue.js, Next.js, LitElement, Express. 𝐀𝐈/𝐌𝐋: OpenAI API, Custom LLM integrations, Agentic Workflows. 𝐂𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬: AWS EC2, Docker, GitHub Actions, Digital Ocean. 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬: PostgreSQL, ScyllaDB, MySQL, Firebase. 𝐃𝐨𝐦𝐚𝐢𝐧 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: Mobile Apps, RESTful APIs, Microservices, Blockchain, Data Visualization. Ready to build a high-performance Rust application, a 𝗰𝘂𝘁𝘁𝗶𝗻𝗴-𝗲𝗱𝗴𝗲 𝗺𝗼𝗯𝗶𝗹𝗲 𝗽𝗿𝗼𝗱𝘂𝗰𝘁, or integrate 𝗶𝗻𝘁𝗲𝗹𝗹𝗶𝗴𝗲𝗻𝘁 𝗔𝗜 to elevate your solution? 𝗟𝗲𝘁'𝘀 𝗖𝗼𝗻𝗻𝗲𝗰𝘁... to discuss how my expertise can drive your project's success and deliver the outcomes you're looking for. Keywords SaaS Developer | AI SaaS | AI Automation | AI Agents | Mobile App Developer | iOS | Android | Tauri | Crux | Axum | Node.js | React.js | Firebase | AWS | API Integration | MVP Development | Subscription Models | App Store | Play Store | Zapier Automation | Make.com Automation | n8n Automation | AI Chatbots | AI Email Automation | AI CRM Integration | Lead Generation Automation | Social Media Automation | E-commerce Automation | Customer Support Automation | Helpdesk Automation