๐ฅ๐๐๐ญ๐ข๐จ๐ง๐๐ฅ ๐๐จ๐ฉ ๐ ๐ซ๐๐๐ฅ๐๐ง๐๐๐ซ ๐๐ฐ๐๐ซ๐ ๐๐ข๐ง๐ง๐๐ซ - ๐ฑ๐ฌ+ ๐๐๐ ๐๐ฝ๐ฝ๐ ๐๐ฎ๐๐ป๐ฐ๐ต๐ฒ๐ฑ - $๐ฑ๐ ๐ถ๐ป ๐๐๐ป๐ฑ๐ถ๐ป๐ด ๐ฆ๐ฒ๐ฐ๐๐ฟ๐ฒ๐ฑ - ๐+ ๐๐๐๐ซ๐ฌ ๐จ๐ ๐๐ฑ๐ฉ - ๐๐๐๐ฅ๐ญ๐ก & ๐ ๐ข๐ญ๐ง๐๐ฌ๐ฌ - ๐๐ข๐ฆ & ๐๐ป๐ฑ๐ฟ๐ผ๐ถ๐ฑ.
I take founders from idea to the App Store in 4โ6 weeks using AI-Powered development, without cutting corners on code quality โ I'm a Top Rated Plus, Meta Certified React Native & Full-Stack Developer with 6+ years of experience building production-grade mobile, backend, and web apps. Upwork Certified and Expert-Approved.
๐ ๐๐๐ฅ ๐๐ซ๐๐ ๐ญ๐จ ๐๐ฅ๐ข๐๐ค โ๐๐๐ฌ๐ฌ๐๐ ๐โ โ ๐โ๐ฅ๐ฅ ๐ซ๐๐ฌ๐ฉ๐จ๐ง๐ ๐ช๐ฎ๐ข๐๐ค๐ฅ๐ฒ. ๐๐ซ ๐ก๐ข๐ญ "๐ญ๐ก๐ซ๐๐ ๐๐จ๐ญ๐ฌ" ๐๐ง๐ ๐ข๐ง๐ฏ๐ข๐ญ๐ ๐ฆ๐ ๐ญ๐จ ๐ฒ๐จ๐ฎ๐ซ ๐ฃ๐จ๐ ๐ฌ๐จ ๐ ๐๐๐ง ๐ฉ๐ซ๐จ๐ฏ๐ข๐๐ ๐๐ง ๐๐ฌ๐ญ๐ข๐ฆ๐๐ญ๐ ๐๐ง๐ ๐ ๐๐ฅ๐๐๐ซ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐ฆ๐๐ง๐ญ ๐ฉ๐ฅ๐๐ง.
Iโm a professional engineer focused on delivering business outcomes for you โ not a part-time freelancer juggling Upwork with a full-time job or doing it for extra income. I'm working with all types of clients and budgets.
โ
100% Job Success Score; 100 + projects delivered โ from idea to production-ready software
๐ Fastest-Growing Upwork Profile Globally โ $200K+ earned
๐ก Expert-Approved โ interviewed and approved by the Upwork team
๐ Most Recognized & Viewed Upwork Profile Worldwide
๐ง Led Pre-Sales, Estimations, Code Reviews & Tech Interviews for top-tier clients
๐ Have a look at my portfolio, client reviews, project sizes (!!!), and earnings โ youโll see a huge difference between my profile and most others on Upwork. Numbers don't lie!
๐ฃ๐ฟ๐ผ๐๐ฒ๐ป ๐๐น๐ถ๐ฒ๐ป๐ ๐ฅ๐ฒ๐๐๐น๐๐
โ
๐๐๐ซ๐ณ๐ข๐ฆ๐จ ๐๐ง๐ โ Health-tech mobile platform, full product delivery
โ
๐๐จ๐๐ฒ๐๐๐ญ๐ซ๐ข๐ ๐๐๐ โ Body composition tracking app, end-to-end build
โ
๐๐ซ๐จ๐ง๐ญ๐จ ๐๐ข๐ฅ๐๐ญ๐๐ฌ ๐๐ญ๐ฒ ๐๐๐ โ Fitness booking & session management app (iOS & Android)
โ
๐๐๐ฎ๐ฒ ๐๐๐ โ Rent almost anything, anytime near you
๐๐ฒ ๐๐๐๐ ๐๐๐๐ก ๐๐ญ๐๐๐ค:
โ ๐๐จ๐๐ข๐ฅ๐ ๐๐ฉ๐ฉ ๐๐๐ฏ๐๐ฅ๐จ๐ฉ๐ฆ๐๐ง๐ญ: React Native - Expo & EAS - Redux - Zustand - Nativebase - react-navigation - react-native-reanimated, New Architecture - Turbo modules and Fabric.
โ ๐๐ ๐๐จ๐ซ๐ค๐๐ฅ๐จ๐ฐ: Vibe Coding, Cursor, Codex, Claude Code, AI Integrations, OpenAI, ElevenLabs.
โ ๐
๐ซ๐จ๐ง๐ญ๐๐ง๐ ๐๐๐ฌ๐ญ๐๐ซ๐ฒ: JavaScript - TypeScript - React.js - MUI - Next.js - HTML - CSS - Tailwindcss.
โ ๐๐๐๐ค๐๐ง๐: Node.js, Firebase, Supabase, PostgreSQL, MongoDB, and AWS
โ ๐๐/๐๐: Figma, Wireframes, Prototypes, High-fidelity design, Branding
โ ๐๐ฅ๐จ๐ฎ๐: Google Cloud Platform, Heroku, Vercel
โ ๐๐๐ง๐๐ ๐๐ฆ๐๐ง๐ญ: Jira, Scrum, Agile methodology, Asana, Slack, Trello.
โ ๐๐๐ซ๐ฌ๐ข๐จ๐ง ๐๐จ๐ง๐ญ๐ซ๐จ๐ฅ: Git, GitHub, GitLab, Bitbucket.
Zain U. earns an estimated $6.3k/mo. That's 4.2ร the typical freelancer and more than 99.67% of everyone we track.
๐๐ป๐ฑ๐๐๐๐ฟ๐ถ๐ฒ๐ ๐'๐๐ฒ ๐๐๐ถ๐น๐ ๐๐ผ๐ฟ
๐๏ธ ๐๐ฒ๐ฎ๐น๐๐ต & ๐๐ถ๐๐ป๐ฒ๐๐ (Perzimo, BodyMetria, Pronto Pilates ) โ Booking systems, body tracking, workout coaches, wearable integrations
โ๏ธ ๐ง๐ฟ๐ฎ๐๐ฒ๐น & ๐๐ผ๐๐ฝ๐ถ๐๐ฎ๐น๐ถ๐๐ ( Freeguides ) โ Booking flows, itinerary builders, real-time availability, multi-vendor hotel & tour platforms
๐ ๐ ๐ฎ๐ฟ๐ธ๐ฒ๐๐ฝ๐น๐ฎ๐ฐ๐ฒ ๐๐ฝ๐ฝ๐ ( Ybuy LLC ) โ Buyer/seller platforms, listing engines, in-app payments, reviews & rating systems, vendor dashboards
๐ฌ ๐ฆ๐ผ๐ฐ๐ถ๐ฎ๐น & ๐๐ฎ๐๐ถ๐ป๐ด ๐๐ฝ๐ฝ๐ ( Hookd In ) โ Matching algorithms, real-time chat, profile discovery, push notifications, subscription paywalls
๐ช ๐๐ฟ๐๐ฝ๐๐ผ & ๐๐ถ๐ป๐ง๐ฒ๐ฐ๐ต ( BnanaCrystal Inc ) โ Wallet integrations, exchange UIs, live price feeds, Web3 transaction flows, KYC screens
๐๏ธ ๐๐ผ๐ป๐๐๐ฟ๐๐ฐ๐๐ถ๐ผ๐ป & ๐ฃ๐ฟ๐ผ๐ท๐ฒ๐ฐ๐ ๐ ๐ฎ๐ป๐ฎ๐ด๐ฒ๐บ๐ฒ๐ป๐ โ Site reporting, task tracking, crew management, document handling, progress dashboards
๐ง ๐๐ถ๐ฒ๐น๐ฑ ๐ฆ๐ฒ๐ฟ๐๐ถ๐ฐ๐ฒ๐ ( ICOC) โ Job dispatch, GPS tracking, technician scheduling, offline-first mobile apps, service report generation
๐ ๐ช๐ต๐ฎ๐ ๐๐น๐ถ๐ฒ๐ป๐๐ ๐ฆ๐ฎ๐
(๐๐ฏ๐ต๐ถ ยท ๐ ๐ ๐๐ป๐ด๐ถ๐ป๐ฒ๐ฒ๐ฟ @ ๐ ๐ฒ๐๐ฎ)
"Zain is a solid e2e full-stack React & React Native developer. I highly recommend him to everyone โ high-quality work & very reliable."
๐๐๐ญโ๐ฌ ๐๐ฎ๐ข๐ฅ๐ ๐๐จ๐ฆ๐๐ญ๐ก๐ข๐ง๐ ๐๐ฑ๐๐๐ฉ๐ญ๐ข๐จ๐ง๐๐ฅ
I focus on transparency, scalability, and code quality. Whether you need an MVP built from scratch or a senior lead to stabilize a legacy app, I am here to help.
๐ฉ ๐๐๐ง๐ ๐ฆ๐ ๐ ๐ฆ๐๐ฌ๐ฌ๐๐ ๐ ๐ญ๐จ ๐ฌ๐๐ก๐๐๐ฎ๐ฅ๐ ๐ ๐๐ซ๐๐ ๐ญ๐๐๐ก ๐๐จ๐ง๐ฌ๐ฎ๐ฅ๐ญ๐๐ญ๐ข๐จ๐ง. Letโs define your roadmap and start building.
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
๐ Search Keywords
โโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโโ
React Native Developer, AI Mobile App Developer, Expo Developer,
Cross-platform App Developer, Full Stack Mobile Developer, Senior Mobile App Developer,
Firebase Developer, Node.js Developer, TypeScript Developer, Startup MVP Developer,
SaaS Mobile App, AI App Development, Senior Full-Stack React Native Developer,
ChatGPT Mobile App, Vibe Coding, Cursor AI Developer, App Store Optimization
FinTech App Developer, EAS Build, Expo SDK