Muhammad S.

🏆 𝗧𝗢𝗣 𝗥𝗔𝗧𝗘𝗗 𝗣𝗟𝗨𝗦 | 𝗧𝗢𝗣 𝟯% 𝗢𝗙 𝗨𝗣𝗪𝗢𝗥𝗞 𝗧𝗔𝗟𝗘𝗡𝗧 ✅ 100% Job Success Score ✅ Senior Full-Stack Developer ✅ 5+ years of experience on Upwork Need a senior Full Stack Developer for a SaaS product or web application? I build and scale production-ready software with Next.js, React, Node.js, TypeScript, and PostgreSQL. I’m a Top Rated Plus developer with a 100% Job Success Score and experience supporting products used by more than 100,000 people daily. I can help you: → Build a SaaS platform or production-ready MVP → Develop a Next.js or React web application → Create Node.js APIs and scalable backend systems → Design PostgreSQL databases and reliable data models → Build admin dashboards, customer portals, and internal tools → Implement authentication and role-based access control → Integrate Stripe, PayPal, and third-party services → Improve application speed, security, and scalability → Modernize, debug, or refactor an existing codebase → Deploy and maintain production applications FULL STACK DEVELOPMENT As a Full Stack Developer, I can own the complete application lifecycle, from requirements and architecture through development, testing, deployment, and production support. My core expertise includes: Frontend Next.js, React, TypeScript, JavaScript, Tailwind CSS, Material UI, Radix UI, responsive design, and accessibility Backend Node.js, REST APIs, serverless functions, authentication, authorization, payments, webhooks, and third-party integrations Databases PostgreSQL, Supabase, Firebase, MongoDB, Prisma, and Drizzle ORM Testing and delivery Jest, React Testing Library, integration testing, GitHub, CI/CD, Vercel, and production debugging WHY CLIENTS CHOOSE ME → End-to-end ownership You work with one developer who understands the frontend, backend, database, integrations, and deployment. → Production-focused engineering I account for performance, security, maintainability, scalability, edge cases, and long-term operating costs. → Product-oriented thinking I contribute to product and architecture decisions instead of simply implementing tickets. → Clear communication You receive straightforward updates about progress, technical decisions, risks, and blockers. CLIENT FEEDBACK “Muhammad is an exceptional web app developer who excels in both front-end and back-end development. His expertise in NextJS, React, and JavaScript is evident in the seamless and responsive applications he creates.” - Russell, Profit Leap Consulting “He’s a real expert in his field, codes according to best practices, and communicates clearly and quickly. He built our MVP within the estimated time and overdelivered by helping us make architectural decisions.” - Milo, Exploding Channels If you need a reliable Full Stack Developer to build, improve, or scale your SaaS product, send me your requirements. I’ll review the project and recommend a practical technical approach.