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Muhammad Usama
Full-Stack Mobile App Developer | React Native & Node.js
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We build 3 things: websites, mobile apps, and UI/UX.
Here's what that looks like in production:
Crypto trading app: 2M+ users, $265M in transactions in year one
AI skincare scanner: 300k+ downloads, $2.4M MRR in 8 months
Fitness app: 10M+ users, 100x growth in 6 months
Food delivery...
calendly.com
Project Discussion (M TECHUB LLc) - Subtain ( M TECHUB LLc.)
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Most app ideas die in the "finding a developer" phase.
I've shipped 10+ mobile apps across fintech, health-tech, fitness, e-commerce, and logistics. React Native for cross-platform. Node.js + MongoDB on the backend. Figma for every screen before a single line of code.
What I...
Case study: I built a food delivery app that hit 100M+ users and processed $2B+ in transactions.
The challenge: real-time order tracking across thousands of concurrent deliveries without lag.
The solution: React Native frontend, Node.js + PostgreSQL backend, Redis for caching live...
We just delivered this trading and portfolio app with a clean, high-performance UI.
What we built:
Real-time portfolio tracking with live charts
Crypto, stocks, and forex watchlist
Buy, sell, and transfer flows
Earnings and staking dashboard
Fast, responsive dark UI with smooth...
Built similar fitness-style mobile experiences with clean UI, smooth flows, and performance-first design. Can design and develop high-quality workout screens, tracking dashboards, and interactive components in React Native or Flutter.
