# Ashrafu Hussein — Portfolio & Engineering Dossier

> Production Flutter/Dart Mobile Application Architect & Supabase Cloud Engineer based in Tanzania. Incoming Software/Mobile Development Intern at e-Government Authority (eGA) Research and Innovation Centre (October 2026).

## Developer Profile
- **Name**: Ashrafu Hussein
- **Primary Roles**: Flutter Mobile Engineer, Supabase Cloud Specialist, Full-Stack Companion Engineer
- **Location**: Dar es Salaam & Arusha, Tanzania (GMT+3)
- **Education**: Computer Science Diploma (Class of 2026), Arusha Technical College (ATC)
- **Upcoming Milestone**: Software/Mobile Development Intern at e-Government Authority (eGA) Tanzania (Oct 2026)
- **Email**: ashrafuhussien@gmail.com
- **Phone / WhatsApp**: +255 749 939 527
- **GitHub**: https://github.com/AshrafuHussein
- **Instagram**: https://www.instagram.com/ash_tek255/
- **Live Portfolio**: https://ashrafuhussein-7219b.web.app

## Core Engineering Capabilities & Architecture
- **Mobile Architecture**: Flutter, Dart, BLoC / Cubit State Pattern, GoRouter deep linking, Clean Architecture (Domain/Data/UI layers), Hive offline caching, Custom Painters.
- **Backend & Database**: Supabase (PostgreSQL, Realtime WebSockets, Row Level Security, Auth, Storage), PostGIS (ST_DWithin geospatial radius indexing), Edge Functions (Deno/TypeScript), REST & GraphQL.
- **Web & Companion Systems**: Next.js 14 App Router, React 18, TypeScript, Tailwind CSS, Framer Motion, Three.js / WebGL.
- **DevOps & Workflow**: Git/GitHub, Android Studio, VS Code, Postman, Vercel, Firebase Hosting, Figma to Flutter token translation.

## Featured Production & Open-Source Projects

1. **SONNOH**
   - **Type**: Production Cross-Platform Mobile Application
   - **Summary**: Social-commerce ecosystem combining interactive video reels feed with an integrated multi-vendor store, instant checkout, and real-time messaging.
   - **Stack**: Flutter, Dart, Supabase, BLoC/Cubit, PostgreSQL, GoRouter, FCM.
   - **Highlights**: Dynamic reel caching, Supabase Realtime order status broadcasts, PostgreSQL normalized schema.

2. **Let's Vent**
   - **Type**: Mobile Event Discovery & Geospatial Platform
   - **Live Web App**: https://letsvent.online
   - **Summary**: Swipe-driven social event discovery connecting urban attendees with music, tech, and cultural gatherings using PostGIS radius indexing and cryptographic QR passes.
   - **Stack**: Flutter, Supabase, PostGIS ST_DWithin, BLoC, GoRouter, HMAC-SHA256 QR Engine, Supabase Edge Functions.

3. **ProjectHub & Site Diary**
   - **Type**: Enterprise Project & Construction Management · Flutter Web
   - **Summary**: Production-grade management portal engineered for civil engineering contractors and enterprise teams. Standardized project indexing, daily logs, and multi-tier member permissions.
   - **Stack**: Flutter Web, Dart, Clean Architecture, BLoC, Supabase RLS, PDF Generation.

4. **ATC Events & Campus Connect**
   - **Type**: Arusha Technical College Portal · Mobile & Cloud
   - **Summary**: Official campus companion application and administrative portal for Arusha Technical College students and faculty. Departmental advisories, event management, and secure academic MFA access.
   - **Stack**: Flutter, Dart, Supabase / Firebase, Hive DB, BLoC, REST APIs.

5. **Fursafy**
   - **Type**: Youth Opportunity & Micro-Gig Platform (Capstone)
   - **Summary**: Engineering mobile platform matching vocational graduates and freelancers in Tanzania with verified local micro-jobs, delivery logistics gigs, and apprenticeships using geohash spatial indexing.
   - **Stack**: Flutter, Dart, Supabase, Geohash Spatial Indexing, PostgreSQL, BLoC.

## Career Timeline & Milestones
- **2026 (Oct)**: Software/Mobile Development Intern — e-Government Authority (eGA) Tanzania Research & Innovation Centre.
- **2024 – Present**: Freelance Flutter & Supabase Mobile Engineer.
- **2023 – 2026**: Computer Science Diploma Candidate — Arusha Technical College (ATC).
- **2023**: Mobile App Development Foundation & Dart Specialization.

## Contact & Inquiries
For freelance mobile engineering, Supabase database design, or technical roles:
- **Email**: ashrafuhussien@gmail.com
- **Direct**: +255 749 939 527
- **Inquiry Form**: https://ashrafuhussein-7219b.web.app/#contact