Biren M.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.

I'm a Senior .NET Full-Stack Engineer with 13+ years of experience building, modernizing, troubleshooting, and scaling business-critical software applications. I help businesses turn complex requirements and legacy systems into maintainable, scalable, secure, and modern software — from backend APIs and enterprise applications to SaaS platforms and AI-powered solutions. Experience in AI-SDLC and AI Evaluation - working with AI coding agents and evaluating against real software-engineering tasks - from requirement understanding and repository analysis to implementation, testing, debugging, and final validation. What I Can Help You With 🔹 .NET Application Development • C#, VB.Net, ASP.NET Core, ASP.NET MVC, Web API • Entity Framework, Dapper, ADO.NET • REST APIs & backend architecture • Background services, SignalR, Hangfire • Authentication, authorization & integrations 🔹 Full-Stack Development • React.js, Next.js, JavaScript, TypeScript • HTML, CSS, Bootstrap, Tailwind CSS • Responsive and business-focused UI development • Frontend + backend API integration 🔹 Legacy Modernization • Modernizing legacy ASP.NET / .NET applications • Migrating older architectures to modern .NET • Refactoring and improving existing codebases • API modernization and system integration • Performance, maintainability and scalability improvements 🔹 AI & Automation Integration & Evalution • AI-powered business applications • LLM/API integration • AI assistants and knowledge-based applications • RAG-based solutions • Workflow and business process automation • Integrating AI into existing .NET applications • Validating modernization projects • Docker-based environments • Precise technical requirements • Difficult real-world edge cases • Reference/solution implementations • Automated tests and verification • Deterministic validation • Failure cases and meaningful traps 🔹 Database & Performance • Microsoft SQL Server • MySQL / PostgreSQL • Query optimization • Database design • EF/Dapper performance optimization 🔹 Cloud & Engineering • Azure • AWS / S3 • Microsoft Blob Storage • Docker • GitHub / Azure DevOps • CI/CD and deployment workflows I’m Especially Strong At: • Debugging & Troubleshooting If you have a difficult production issue, unexpected behavior, slow API, database bottleneck, integration problem, or difficult-to-understand codebase, I can investigate the root cause and provide a practical fix rather than just treating the symptoms. • Architecture & Technical Planning I can help translate business requirements into technical architecture, API design, database structures, development plans, and implementation strategies. • Existing Application Improvement You don't always need to rebuild your application. I can review an existing codebase and identify opportunities to improve architecture, performance, security, maintainability, scalability, and development workflow. 🔹 Projects I’m a Good Fit For • SaaS applications • Enterprise business applications • ERP / CRM / inventory systems • API development and integrations • .NET modernization projects • React + .NET applications • AI-powered business applications • Legacy application troubleshooting • Database and performance optimization • Code reviews and technical audits • Long-term development partnerships How I Work: I first understand what you're trying to achieve, why it matters, and how the existing system works. Then I break the problem into practical technical steps and communicate clearly throughout development. My goal is simple: Build it correctly, make it maintainable, and leave you with a system your team can confidently continue developing. Whether you need a one-hour debugging session, a feature developed, an existing application modernized, or a long-term engineering partner, I'm happy to help. Let's discuss your project and identify the best technical approach.