Hiren S.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.

Senior React Native & Full Stack Developer | Scalable Mobile Apps, APIs & Real-Time Systems I build production mobile and web products used by real users — including chat platforms, booking apps, marketplace experiences, and real-time features. Trusted with $40K+ in completed Upwork work and a strong Job Success record. With 5+ years of experience, I help startups and businesses take products from MVP to stable production releases. What I can help you with: Mobile App Development (React Native) • Cross-platform iOS and Android apps with strong performance • Real-time chat, notifications, location, and media features • Store-ready apps with clean architecture and maintainable code Full Stack & Backend Development • Web apps with React.js and Next.js • APIs and backends with Node.js • REST/GraphQL integrations, Firebase, and solid database design Advanced product features • Real-time systems (chat, live updates, notifications) • Payments, subscriptions, OTP/auth flows • Practical AI-assisted features when they improve the product (not AI for the sake of AI) Selected work: • Whimstay — vacation rental booking (React Native, TypeScript, payments, availability) • Novo Mechanic / Novo Customer — service marketplace with quotes, tracking, and chat • Aamica — social/media app with compression, groups, and high-volume content • Roome — student accommodation discovery and booking (Next.js / Node) Tech stack: React Native, React.js, Next.js, Node.js, TypeScript, JavaScript, Firebase, Redux, MySQL, REST/GraphQL Why clients hire me: • Reliable delivery and clear communication • Focus on performance, stability, and long-term maintainability • Experience shipping real-world apps, not just demos If you need a React Native / React / Node developer to build or scale your product, send a message and let’s discuss scope, timeline, and the best way to start.