Madhushika K.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Looking for a developer to build your website, web application, or custom software solution? I'd love to help! I'm a Full Stack Developer with over 9 years of experience in software development, enterprise applications, and system integrations. I help businesses turn their ideas into reliable, user-friendly, and scalable digital solutions. Whether you need a modern website, a complete web application, a secure backend, or integration between existing systems, I can support your project from planning and development through to deployment and ongoing improvements. 🚀 What I Can Help You With ✅ Website & Web Application Development - Modern, responsive, and user-friendly websites - Custom web applications and business portals - Frontend development using React, Next.js, Angular, JavaScript, and TypeScript - Interactive dashboards, admin panels, and customer portals - Website improvements, bug fixes, and ongoing maintenance ✅ Backend Development & API Integration - Backend development using Node.js, Java, Spring Boot, C#, and ASP.NET Core - REST API design, development, and integration - Secure authentication and authorisation using OAuth 2.0, JWT, and related technologies - Third-party API integrations and payment gateway integrations - Microservices development and legacy application modernisation ✅ Full Stack & Custom Software Solutions - End-to-end web application development - Custom business management systems - CRM and ERP integrations - Enterprise software development and enhancements - Automation tools and workflow improvements - Scalable application architecture ✅ Database Development & Management - Microsoft SQL Server, MySQL, PostgreSQL, and Oracle - Database design and optimisation - Data integration and migration - SQL query development and performance improvements ✅ Cloud & Deployment - AWS and Microsoft Azure - Docker and Kubernetes - CI/CD pipelines - Application deployment, monitoring, and troubleshooting ✅ AI-Assisted Software Development & Automation - AI-assisted software development using Claude, OpenAI Codex, ChatGPT, and modern AI coding tools - Using AI tools to accelerate frontend and backend development, debugging, and code refactoring - AI-supported code reviews, unit test generation, and technical documentation - Building AI-powered features and integrating AI APIs into web applications - Automating repetitive development tasks and improving workflows using AI - Using AI to support software architecture, troubleshooting, and performance optimisation - Combining AI-assisted development with professional engineering practices to deliver reliable, maintainable solutions 💻 My Technology Stack Frontend: React, Next.js, Angular, JavaScript, TypeScript, HTML5, CSS3 Backend: Java, Spring Boot, Node.js, Express.js, C#, ASP.NET Core, REST APIs Databases: PostgreSQL, MySQL, Microsoft SQL Server, Oracle Cloud & DevOps: AWS, Azure, Docker, Kubernetes, Jenkins, Git AI Development Tools: Claude, OpenAI Codex, ChatGPT, AI-Assisted Coding, Prompt Engineering Integration & Security: REST, SOAP, OAuth 2.0, JWT, Microservices, Third-Party APIs 🌟 My Professional Background Throughout my career, I've worked on enterprise software solutions across telecommunications, fintech, digital identity, and business management systems. My experience includes: - Developing and supporting enterprise applications at IFS. - Building and integrating backend services and APIs for large business platforms. - Working on cloud-based payment systems and microservices at PAYable. - Contributing to digital identity and enterprise integration projects. - Supporting application modernisation, troubleshooting, and performance improvements. These experiences have helped me develop a practical approach to software engineering, focusing on clean code, maintainability, performance, and real business needs. 🤝 Why Work With Me? I understand that every business has different needs. My goal is to understand what you're trying to achieve and build a solution that works for you. When we work together, you can expect: - Clear and friendly communication - Reliable and maintainable code - Attention to detail and problem-solving - Practical solutions tailored to your requirements - Regular updates throughout the project - A commitment to delivering quality work Whether you're a startup building your first application, a small business looking for a professional website, or an established company improving an existing system, I'm happy to help. 📩 Have a project in mind? Send me a message and let's discuss how I can help bring your idea to life!