Engineering with a human touchAvailable for new work

Hello, I’m Muhammad Usman.

Small screens.
Big possibilities.

I build thoughtful mobile experiences that work in the real world. From the first sketch to the app store — Flutter, hardware, AI, and everything in between.

Senior Flutter / Mobile EngineerIslamabad, PK · Working with clients worldwide

Muhammad Usman, your mobile app engineer
Muhammad UsmanOne engineer. From idea to launch.
50+apps shipped
Meet the person behind the products.Est. 2021 / Still building
  • 600K+

    peak users on Legend TV
  • 50+

    production apps shipped
  • #1

    Play Store category, 5 months
  • 13 pkgs

    open-source on pub.dev
There’s a story behind every app

How we get there

From your first idea
to daily use.

A clear path, with you involved at every step.

  1. Understand the idea

    We define the people, the problem, and what your first release needs to do.

    A clear direction
  2. Build the experience

    Design, Flutter development, and the integrations that make your product work.

    Something you can try
  3. Ship it with care

    Test on real devices, prepare the store release, and keep improving from feedback.

    Ready for real users
See what that looks like in practice

More things, made with care.

A slice of 50+ apps shipped for clients worldwide — across rewards, media, health, logistics and more. Tap any card to open its full screenshot gallery.

Blood Donors 243 GB

A donor closer to you.

Find nearby blood donors in rural Pakistan, even with limited connectivity.

Offline-first · One-tap contact

Blood Donors 243 GB — actual app interface

Health / Emergency·2025

Blood Donors 243 GB

Offline-first emergency blood-donor locator for rural Pakistan

Social Groups

Find your people.

Discover WhatsApp groups by interest, with community scam reporting.

Discover · Join · Report

Social Groups — actual app interface

Social / Discovery·2021

Social Groups

Browse & join WhatsApp groups by category — plus a scam-reporting board

YouShopper

Shop. Sell. Deliver.

A multi-vendor marketplace connecting customers, sellers, and delivery teams.

3 connected apps · Multiple gateways

YouShopper — actual app interface

E-Commerce·2023

YouShopper

A three-app multi-vendor marketplace — shop, sell & deliver

Status Getter

Keep the moments you love.

Save WhatsApp statuses or download a video from its link.

Android SAF · Quality selection

Status Getter — actual app interface

Status Saver / Downloader·2024

Status Getter

Save WhatsApp statuses (Android SAF) + paste-URL video downloader

Good tools deserve
to be shared.

Thirteen packages on pub.dev — gap-fillers for the Flutter/Dart ecosystem. Nine featured below. Click any install snippet to copy.

Explore all 13 packages

Independent spirit.
Team-player experience.

Five years, five roles — freelance and embedded — from solo-shipping 50+ client apps to senior mobile work on international product teams.

  1. Jul 2024 → Sep 2026

    Senior Mobile App Developer @ BeInMedia · Nmo AI · Remote · Kuwait

    AI-powered fitness app — BLE health-device sync, Gemini AI coaching, Flutter architecture for a cross-functional international team.

    Shipped
    • Nmo AI · BLE fitness
  2. Nov 2020 → present now

    Senior Mobile App Developer @ Ottoman Coder · freelance

    50+ production apps for clients in PK, IN, SA, AU, TH, LA. Audited 20+ legacy codebases. Product-led engineering directly with founders.

  3. Nov 2022 → May 2023

    Senior Mobile Software Engineer @ SD Cold Logistics · YouShopper

    Built 3 separate apps (Customer, Seller, Delivery) all live on Play Store. Coin-based monetisation, OneSignal, YouTube V3. Zero-downtime backend migration.

  4. Sep 2021 → Mar 2023

    Senior Flutter Developer @ Fulfil Supply Chain · Remote · Vientiane, Laos

    Cross-border e-commerce — OpenCart API, real-time inventory sync across countries. Firebase Auth + FCM. Measurable startup-time gains.

    Shipped
  5. May 2022 → Oct 2022

    Senior Flutter Developer @ HomyKSA · Remote · Saudi Arabia

    Home services marketplace for Saudi Arabia — real-time order matching, payments, worker management. Shipped ~21-day MVP · App Store + Play.

    Shipped

Built on solid ground.

The tools I reach for every day — Flutter-first, backed by real backend, hardware and on-device AI work. ▸ tinted chips = on most projects

Languages

7
  • Dart
  • Swift
  • Kotlin
  • PHP
  • JavaScript
  • Java
  • SQL

Frameworks

3
  • Flutter (Android, iOS, Web, Desktop)
  • Laravel
  • Node.js

State Mgmt

4
  • BLoC / Cubit
  • GetX
  • Provider
  • ValueNotifier

Backend

7
  • Firebase
  • Supabase
  • PostgreSQL
  • MySQL
  • Hive
  • Isar
  • SQLite

APIs

5
  • REST
  • FCM HTTP v1
  • OpenCart
  • YouTube V3
  • Google Maps

Hardware

2
  • Bluetooth Low Energy (BLE)
  • Health Device Sync

AI/ML

5
  • Gemini AI
  • MediaPipe
  • Google ML Kit
  • TFLite
  • On-Device Inference

Vision

3
  • Hand Gesture Recognition
  • Facial Emotion Detection
  • Face Contours

Tools

5
  • Figma
  • Postman
  • Google Cloud
  • Git
  • Bitbucket

Have something
in mind?

I design, build and release production Flutter apps end-to-end — one scaled to 600K users and held #1 in its Play Store category for five months. Product-led, straight with founders, and I reply within ~24 hours.

  • End-to-end UI, architecture, backend and the store release — one engineer, nothing lost in handoffs.
  • Proven at scale 600K users and real revenue, plus the hard parts: BLE hardware, on-device AI and multi-language.
  • Open & communicative 13 open-source packages on pub.dev, write-ups on Medium, and a reply within ~24h.
Available for new work

Open to remote work, long-term contracts, and partnership opportunities. Previously built an AI fitness app w/ BLE at BeInMedia · Nmo AI, through September 2026.

Read the engineering write-ups on Medium