Abhishek Singh
Full-Stack Dev | Flutter, React, Next.js, Node.js
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Built a full-featured fitness app with real-time step tracking, races, leaderboards & XP gamification system. Flutter + Firebase, 285 Dart files, production-ready.
Key features: HealthKit/Google Fit sync, multiplayer step races, XP reward system, friend system, leaderboards, cloud functions, multi-language support, admin panel.
Tech: Flutter, Dart, Firebase, Cloud Functions, HealthKit, AdMob
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Built a complete fintech/payments app template from scratch using Flutter. 25+ screens, 12,000+ lines of production code, shipped solo.
Features built:
Payment integrations (Razorpay, Stripe, UPI)
QR scan & generate
Wallet with linked bank accounts
KYC verification (4-screen flow)
Bill payments (9 categories)
Transaction history with filters
Glassmorphism UI with animations
Full dark mode support
PDF statement & GST invoice generation
Tech: Flutter, Dart, Firebase, Razorpay SDK, Stripe SDK, go_router, Riverpod-ready architecture
Now selling as a premium template for developers building fintech apps.
Tags: Flutter, Mobile App Development, Dart, Firebase, Fintech
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