Hello, I'm

Usman Umar Garba

I build

Crafting fast, secure, and resilient digital experiences with Flutter, Python/FastAPI, and Bitcoin Lightning Network integrations.

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Usman Umar Garba
Who I Am

About Me

I am a dedicated Mobile & Backend Engineer passionate about building high-quality, cross-platform applications. I leverage Flutter for seamless UI/UX and design scalable backend architectures with Python/FastAPI.

My work focuses on crafting immersive user experiences, clean UI systems, and efficient data flows. I’m also deeply invested in the future of global payments, integrating Bitcoin and Lightning Network infrastructure into modern applications to enable secure, borderless transactions.

From: Kaduna, Nigeria
Email: ugarba202@gmail.com
Phone: +234 814 007 9634
Freelance: Available
Download CV

2+

Years Experience

10+

Projects Completed

100%

Client Satisfaction

What I Offer

My Services

Mobile App Solutions

Building high-performance cross-platform mobile applications using Flutter. Smooth user experience, responsive layouts, and robust state management.

Bitcoin & Lightning

Integrating Bitcoin and Lightning payments. Wallet integration, invoice generation, and secure payment APIs for global transactions.

Backend Development

Designing scalable backend architectures with Python, Rust and FastAPI. Secure APIs, database management, and efficient data processing.

Techpreneurship

Bridging technology and business. Helping startups leverage mobile tech for growth and building scalable digital products.

My Expertise

Technical Skills

Flutter

Dart

Python

FastAPI

Bitcoin

PostgreSQL

Firebase

Git

Rust

React

Node.js

Next.js

Serverpod

Tailwind

Cloud

DevOps

My Work

Featured Projects

FinTech Mobile App

E-Commerce Platform

Grabby is a full-stack mobile e-commerce application designed to revolutionize online shopping in Nigeria. Built with Flutter, Grabby addresses critical gaps in existing e-commerce platforms by offering: .

Flutter Dart Firebase Paystack payment gateway
Code Live
Lightning Wallet

Lightning Pay Wallet

LightningPay is a learning-focused Bitcoin & Lightning payment app built with Flutter, designed to demonstrate how modern fintech systems work internally from deposits and conversions to peer-to-peer BTC transfers.

Flutter LDK Bitcoin
Code Live
E-Commerce Platform

Logistics App

SamLogistics is a modern, responsive logistics app UI built with Flutter. This repository contains the full UI for a logistics product with 14 screens designed from scratch optimized for mobile, tablet, and web.

Flutter FastAPI PostgreSQL
Code Live
Social Connect App

AI Habit Tracker App

The app helps users build and sustain positive habits through reminders, progress tracking, and smart analytics.

Flutter Firebase UI/UX
Code Live
Finance Dashboard

Linkme_up

Interactive analytical dashboard for personal finance tracking with visual data representation.

Flutter Web Chart.js Analytics
Code Live
Crypto Exchange

Real estate mobile App

A modern and responsive Real Estate App UI built with Flutter. This project focuses on clean UI design, reusable widgets, and responsive layouts for both Android and iOS platforms.

Flutter UI/UX Dart
Code Live
My Journey

Work Experience

Mobile Software Engineer

Freelance | Remote

  • Spearheaded the development of cross-platform mobile applications using Flutter, ensuring high performance on both iOS and Android.
  • Integrated Bitcoin and Lightning Network payments into mobile apps, enabling secure and instant global transactions.
  • Collaborated with backend teams to design and implement efficient APIs using Python and FastAPI.

Flutter Developer

Tech Startup | Kaduna, Nigeria

  • Designed and maintained scalable backend architectures using Python and PostgreSQL.
  • Optimized database queries and API response times, resulting in a 40% performance improvement.
  • Implemented secure authentication and authorization systems for user data protection.

Backend Developer

Tech Startup | Kaduna, Nigeria

  • Designed and maintained scalable backend architectures using Python and PostgreSQL.
  • Optimized database queries and API response times, resulting in a 40% performance improvement.
  • Implemented secure authentication and authorization systems for user data protection.

Backend Developer

Tech Startup | Kaduna, Nigeria

  • Designed and maintained scalable backend architectures using Python and PostgreSQL.
  • Optimized database queries and API response times, resulting in a 40% performance improvement.
  • Implemented secure authentication and authorization systems for user data protection.

Education

Diploma Computer System Engineering 2021-2023

IAIICT ABU | Zaria

  • Graduated with Honors. Focus on Software Engineering and Systems Architecture.
  • Led the university programming club and organized coding bootcamps for freshers.

B.Eng. Computer Engineeering 2024-Date

Ahmadu Bello University | Zaria

  • Graduated with Honors. Focus on Software Engineering and Systems Architecture.
  • Led the university programming club and organized coding bootcamps for freshers.

Ready to Bring Your Ideas to Life?

Let's collaborate and create something amazing together. Whether it's a web application, mobile app, or Web3 project, I'm here to help turn your vision into reality.

Get In Touch View My Work

Get In Touch

Have a project in mind? Let's discuss how we can work together to bring your ideas to life.

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