Usama Nazir.

Hey, I'm Usama

Usama Nazir

Flutter Developer

I build and craft digital experiences that deliver real impact.

Let's Connect
usamanazeer136@gmail.com

About Me.

Get to know me better.

Usama Nazir
I am a dedicated Flutter developer with 5 years of experience building and delivering 6 production-ready applications. Specializing in intuitive UI/UX design, clean architecture, and advanced state management, I focus on crafting sleek and responsive cross-platform experiences. My approach combines robust technical foundations with user-centric design principles to ensure every mobile application is both maintainable and exceptionally engaging for users.
5+
Years Experience
5
Projects Delivered
2
Teams & companies
Core philosophy
Correctness, speed and maintainability — in that order.

Experience.

My professional journey.

Senior Flutter Developer

Jan 2023 — Present

TechRefi

Lead cross-platform mobile architecture using Flutter & Dart. Integrate scalable REST APIs, secure Firebase authentication, and Firestore databases while mentoring engineers and driving 99.9% crash-free production releases.

CURRENT

Mobile Application Developer

Jan 2021 — Dec 2022

DevBatch Solutions

Developed and shipped 6+ high-performance Android & iOS apps with Flutter and BLoC. Integrated payment gateways, Google Maps SDK, and real-time push notifications, optimizing UI render times and screen transitions by 35%.

Skills & Expertise.

A collection of technologies I am proficient with.

Languages

PythonDartKotlinSwift

Frameworks & Libraries

ReactRest QPIs & GraphQL

Databases

FirebaseFirebase & Cloud

Tools & Platforms

CI/CD & FastlaneUI/UX & Figma

Other Tools

Node.jsFCMBloC & RiverpodClean ArchitectureUnit & Widget TestingApp Performance Optimization

Projects.

A selection of my recent work.

FinPulse(Fintech & Mobile Banking)

Senior Mobile Engineer • Flutter

Engineered high-security mobile banking app serving 250K+ active users. Implemented biometric auth, real-time transaction streams with WebSockets, and achieved 99.9% crash-free sessions across both iOS and Android.

FlutterKotlinBloCClean ArchitectureWebSockets

Portora AI - Career Toolkit

Lead Mobile Architect • Flutter

Architected an all-in-one AI career platform creating live web portfolios and ATS resumes. Integrated Gemini AI for real-time bio generation, sub-second cloud sync, and pixel-perfect PDF rendering directly on mobile.

FlutterDartFirebaseGemini AIRest APIs

Jijibot - AI Document Chatbot

Lead Mobile AI Engineer • Flutter

Built enterprise RAG chatbot enabling document uploads and instant contextual query answering. Optimized async operations with Dart Streams for sub-second chat latency and integrated FCM for intelligent real-time push notifications.

FlutterRiverpodRAGDart StreamsRest APIs

Footzy(AI Footfall Analytics)

Senior Mobile Engineer • Flutter

Engineered computer-vision backed footfall analytics mobile app with real-time dynamic dashboard visualization. Integrated REST APIs and Firebase for live traffic tracking, supporting high-throughput retail store telemetry.

FlutterBloCFirebaseRest APIsLive Analytics

Nexus (Global Logistics & Delivery)

Senior Flutter Developer • Flutter

Developed real-time order tracking and logistics app with live GPS navigation. Reduced app cold-start latency by 42% and supported over 100K daily delivery transactions with robust offline-first local caching.

FlutterSwiftGraphQLGoogle Maps SDKRiverpod

Education.

Formal training that shaped how I think about systems.

2021 — 2025

Bs Software Engineering

University of Lahore
Field: Computer Science