Ashrafu Hussein — Flutter & Supabase Software Engineer Portfolio
Building robust mobile systems with Flutter & Supabase
Software engineer crafting production cross-platform apps with reactive BLoC state, spatial PostGIS discovery, offline sync, and clean domain architectures.
Crafting resilient mobile experiences with clean architecture.
I'm Ashrafu Hussein, a freelance software engineer based in Tanzania specializing in production Flutter & Dart applications backed by scalable Supabase and cloud infrastructures.
My engineering focus centers on structured architectures: separation of concerns viaBLoC / Cubitstate management, declarative deep-linking withGoRouter, and offline-first data synchronization.
Starting October 2026, I will be joining the e-Government Authority (eGA) Research and Innovation Centre as a Software/Mobile Development Intern to help build high-impact public sector digital systems.
“Clean code is not an afterthought; it is the contract between system reliability and seamless end-user performance.”
Specialized in Flutter, Supabase & Modern Web
A comprehensive overview of the frameworks, patterns, and cloud services I leverage to ship production software.
Mobile Architecture (Primary)
Production-ready cross-platform mobile systems built for speed and reliability.
Backend, Database & Spatial
Scalable data layers, real-time messaging, and geospatial queries.
Modern Web Engineering
High-performance web companions, client dashboards, and interactive landing pages.
DevOps, Tooling & Design
Standardized workflows for design handoffs, testing, and deployment.
Crafted with Flutter & Supabase
Engineered for reactive state performance, spatial PostGIS queries, offline-first sync, and rock-solid Row-Level Security in production.
SONNOH
Social-Commerce Ecosystem · Flutter & Supabase
A production cross-platform mobile application combining an interactive video reels feed and creator timeline with an integrated multi-vendor e-commerce store, real-time messaging, instant in-app checkout, and order status broadcasts.
A production cross-platform mobile application combining an interactive video reels feed and creator timeline with an integrated multi-vendor e-commerce store, real-time messaging, instant in-app checkout, and order status broadcasts.
- Interactive video reel feed with dynamic caching & preloading engine
- Multi-vendor shop catalog indexing, cart synchronization & order lifecycle
Swipe-driven social event discovery platform connecting urban attendees with nearby music, tech, and cultural gatherings. Engineered with PostGIS geospatial radius indexing, instant digital ticket reservations, and offline-validated QR entry.
- PostGIS geospatial ST_DWithin proximity indexing for millisecond radius queries
- Host analytics console with real-time attendee check-in telemetry
A production-grade management portal engineered for civil engineering contractors, construction supervisors, and enterprise project tracking. Features standardized project directory indexing, admin consoles, and multi-tier member access.
- Strict Clean Architecture separating domain entities from Supabase data sources
- Dynamic multi-step form validation with automated PDF daily summary exports
Official campus companion application and administrative portal for Arusha Technical College students and faculty. Centralizes departmental advisories, event management, and secure academic MFA access.
- Targeted push notifications via Firebase Cloud Messaging topic routing
- Offline schedule synchronization with local Hive key-value persistence
Final-year capstone engineering mobile platform designed to bridge the youth unemployment gap in Tanzania. Uses geohash spatial indexing to match vocational graduates and freelancers with verified local micro-jobs, delivery logistics gigs, and apprenticeships.
- Proximity-first job matching utilizing geohash spatial bounding boxes
- Standardized skill verification & portfolio display for technical trades
Academic & Professional Progression
From technical foundations at Arusha Technical College to engineering impactful systems at eGA.
Software / Mobile Development Intern
Selected for an engineering internship at Tanzania’s central government technological authority, contributing to citizen-centric digital platforms.
- Architecting cross-platform Flutter client modules with high security standards
- Integrating public API standards, authentication gateways, and offline synchronization
- Collaborating on government digital transformation initiatives within the Research & Innovation team
Ordinary Diploma in Computer Science
Completed comprehensive technical coursework in Object-Oriented Programming, Data Structures, Relational Database Design, Computer Networks, and Mobile Engineering.
- Capstone: Developed "Fursafy" youth opportunity matching platform with spatial geohash queries
- Engineered "ATC Campus Connect" mobile companion for departmental notices and schedules
- Graduating in 2026 with proven expertise in Flutter/Dart and cloud architectures
Independent Freelance Software Engineer
Delivering end-to-end mobile and web solutions for startups, enterprise contractors, and local businesses.
- Engineered production applications including SONNOH (social-commerce) and Let’s Vent (proximity events)
- Built enterprise web systems with Flutter Web and Clean Architecture (Site Diary)
- Provided full deployment lifecycle: UI design, state modeling, Supabase setup, and Play Store releases
Let's build your next mobile milestone.
Available for freelance Flutter development, architecture consultation, or Supabase backend integration.