React • Flutter / Dart • Supabase PostgreSQL • Real-Time WebSockets

Full-Stack Web &
Mobile Apps Development.

I develop end-to-end digital products: high-performance React web interfaces, 60fps cross-platform mobile apps in Flutter, real-time multiplayer backends, and multi-tenant PostgreSQL databases with Row-Level Security. Built for responsiveness and scale.

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Explore Architecture ↓
Stack Capabilities: React & Vite Flutter / Dart (Android/iOS) Supabase RLS Real-Time WebSockets
hasnain@system:~$ fullstack --profile
$ web_frontend: "React (Vite), Modern Vanilla CSS"
$ mobile_framework: "Flutter / Dart (iOS & Android)"
$ backend_services: "Python / Flask, Go WebSockets"
$ database_layer: "Supabase (PostgreSQL with RLS)"
$ flagship_game: "AI Sequence (sequence.muhammadhasnain.me)"
$ ui_framerate: "Strict 60 FPS Native Performance"
$ status: ● Accepting Product Contracts
Engineering Breadth

Full-Stack Architecture & Solutions

Bridging intuitive user interfaces with deterministic backend logic and performant data persistence.

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Modern React & Web Applications

Single Page Applications (SPAs) built with React and Vite. Focused on fast load times, responsive fluid grids, accessible semantic markup, and clean custom state hooks.

React Vite Custom Hooks
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Flutter & Dart Mobile Apps

Single codebase delivering production iOS and Android apps. Custom canvas rendering for board games, smooth animations, provider state management, and offline cache.

Flutter Dart Custom Canvas
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Real-Time WebSockets

Low-latency bidirectional state synchronization. Built Go WebSocket servers supporting real-time broadcast propagation, concurrent player lobbies, and emote streaming.

WebSockets Golang Hub Real-Time Sync
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Supabase PostgreSQL Security

Robust multi-tenant database architectures utilizing PostgreSQL triggers, normalized schema design, foreign key integrity, and Row-Level Security (RLS) enforcing strict multi-tenant isolation.

PostgreSQL Supabase RLS DB Triggers
☁️

Cloud Deployment & Production

Zero-downtime server setups on Linux (Ubuntu / Debian), DigitalOcean droplets, automated systemd service daemons, Nginx reverse proxies, and automated SSL certificate renewals.

Linux / Nginx DigitalOcean SSL / HTTPS
Production Work

Flagship Applications I've Shipped

Explore production systems engineered with clean code architecture, responsive cross-platform layouts, and complete testing.

Live Game Engine ● Real-Time Online
2025 - 2026

AI Sequence Board Game

Real-time multiplayer board game with bidirectional WebSocket state synchronization, stake matchmaking, and intelligent min-max AI offline opponent. Built with Flutter, Dart, and Go.

Engineering Highlights:
  • Custom canvas rendering in Flutter ensuring seamless 60fps board interactions on desktop and mobile.
  • High-concurrency Go WebSocket engine handling matchmaking rooms, turn timers, and disconnect reconnections.
  • Heuristic min-max algorithm simulating realistic, challenging opponent tactical card play offline.
Flutter / Dart Golang WebSockets Min-Max AI Real-Time Sync
sequence.muhammadhasnain.me
Play Online 🎮 Technical Case Study
SaaS Portal ● Dual Interfaces
2026

Hukum AI Web Client & Admin Portals

Production web interfaces built with React (Vite) for tenant self-service onboarding, dynamic knowledge base uploads, prompt adjustments, and real-time live support chat over WebSockets.

Engineering Highlights:
  • Secure JWT authentication with role-based routing protecting administrative billing and configuration panels.
  • Real-time chat monitor enabling human customer agents to seamlessly intercept bot conversations.
  • Responsive, polished UI built for optimal usability across mobile screens and desktop browsers.
React (Vite) Supabase API Live Support Tailwind UI
Production SaaS
View Architecture
Hire Full-Stack Engineer

Let's Build Your Application

Whether you need a Flutter mobile app, a React dashboard, or a real-time web platform, I'm ready to take it from idea to deployment.

Direct Platforms

Work with complete milestone escrow protection on Upwork or order packaged deliverables on Fiverr.

✉️

Email

hasnainaltaf30@gmail.com
📱

Phone / WhatsApp

+92 336 2478759
🟢

Upwork Profile

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🟢

Fiverr Profile

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