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Syed Mohsin K.
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Syed Mohsin K.

FullStack Developer | Custom Web & Mobile Apps | Flutter, React Native

🏆 Top Rated | 100% Job Success | 5/5 Client Ratings | 15+ live products shipped 🏆 I build custom websites and mobile apps, not templates, not page-builders for founders and teams who need something that actually works the way their business does. 🚀 Full-Stack Developer | Custom Web & Mobile Development | Flutter • React • Next.js As a Top Rated developer on Upwork with a 100% Job Success Score, I help clients go from an idea or a Figma file to a fully shipped product — whether that's a mobile app on the App Store and Google Play, a custom website, or both working together off one shared backend. Where I help most: 📱 Mobile App Development — cross-platform builds in Flutter, native iOS/Android when needed, with real-time features, offline support, and clean architecture that scales past MVP. 🌐 Custom Website Development — built in React and Next.js, not WordPress templates — fast, responsive sites with real backend logic behind them, not just static pages. 🔗 Full-Stack Integration — mobile app and web platform sharing the same backend and data, so your admin panel, customer app, and website are never out of sync with each other. ✅ Why Partner with Me: 15+ shipped products: mobile apps, websites, and admin platforms, live and in use 100% Job Success Score and Top Rated status on Upwork One developer across your full stack, no handoff gaps between a "web person" and a "mobile person" Backed by a production team for scalability beyond a single freelancer Real-time features, offline-first mobile, and production-grade backends (Node.js, Firebase) 🛠️ Services I Provide: Custom website development (React, Next.js) Mobile app development (Flutter, cross-platform iOS/Android) Admin panels and internal dashboards Backend & API development (Node.js, Firebase) AI integration where it genuinely adds value (OpenAI, Gemini) not forced in App Store / Google Play submission and website deployment 📌 Recent work: Built Worksafe Mapping end-to-end a live mobile app (iOS & Android) paired with a custom React admin web panel for managing real-time field data, both sharing one backend. 🎯 Industries: Health & Wellness | E-Commerce | Fintech | SaaS Platforms | Operations & Field Services Send over your brief or even a rough idea, I'll respond with questions, a realistic timeline, and an honest take on fit. Mobile App Development, iOS Development, Android Development, Flutter, React Native, Website Development, Web Development, React, Next.js, Node.js, Firebase, Full-Stack Development, API Integration, UI/UX Design, E-commerce Website Development, Admin Dashboard, Cross-Platform App Development

🇺🇸Redmond, United States$30/hr100% JSS4.64 (35)Since Sep 2023

Earnings and projects

MRR
$8

Last 6 months ÷ 6

World#173,619 / 412k
🇺🇸Country#22,752 / 62.1k
Revenue, last 30 days
$0

Last 6 months: $49

Total earnings
$51k

Billed in all: $52k

World#74,806 / 412k
🇺🇸Country#13,577 / 62.1k
Per project
$1.3k

$49 in the last 6 months

World#104,238 / 412k
🇺🇸Country#17,754 / 62.1k
Projects, last 6 months
1
100% fixed0% hourly
World#128,092 / 412k
🇺🇸Country#16,472 / 62.1k
Projects in all
39

Across 40 contracts

93% fixed7% hourly
World#77,390 / 412k
🇺🇸Country#11,691 / 62.1k

Earnings, last 30 days

$51.5kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$50k$51k$52k$53kOct 8Oct 23Nov 7

Skill rankings: Top 31% in Swift

Ranked by MRR among everyone on Upwork with the skill.

  1. #114Custom App267 freelancers · 🇺🇸 #11Top 43%
  2. #157App Store302 freelancers · 🇺🇸 #17Top 52%
  3. #239ChatGPT API516 freelancers · 🇺🇸 #19Top 46%
  4. #306Android App776 freelancers · 🇺🇸 #16Top 39%
  5. #433In-App Purchases1,101 freelancers · 🇺🇸 #22Top 39%
  6. #578Hybrid App Development1,431 freelancers · 🇺🇸 #30Top 40%
  7. #1,031Kotlin3,021 freelancers · 🇺🇸 #58Top 34%
  8. #1,117App Development2,592 freelancers · 🇺🇸 #136Top 43%