Muhammad W.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 am a Top Rated Mobile App Developer with 6+ years of experience in building high-quality iOS and Android apps using Flutter, Firebase, Node.js and more. I can help you with: ✅️Building iOS & Android apps using Flutter and Firebase ✅️Developing REST APIs using Node.js and Firebase Admin SDK ✅️Creating server-side rendered web apps using Node.js, React.js, Next.js and Koa ✅️Integrating GraphQL or REST APIs within mobile apps ✅️Implementing Firebase authentication (email/password, Facebook, Google, Twitter) ✅️Designing databases using Cloud Firestore or Realtime Database ✅️Integrating Stripe payment gateway ✅️Implementing Firebase realtime database for chat app functionality ✅️Tracking location during different stages/modes of app ✅️Sending Firebase push notifications ✅️Upgrading React Native to make app live. 🎁FREE consultation service: I am more than happy to share my years of experience in helping clients build mobile apps from the ground up, including but not limited to setting up MVPs, choosing tech stacks, scoping out practical plans/timelines, estimating budgets and more. Please do not hesitate to contact me for this free service and we can together turn your idea into reality.*** If you are looking for a reliable, professional and experienced mobile app developer who can deliver quality work on time and within budget, then look no further. Let’s chat today and discuss how we can work together on your next project.