Lead Software Engineer building reliable mobile, web, and backend systems.
I have over a decade of production experience designing and delivering software across enterprise, freelance, and product environments.
My work focuses on maintainable architecture, predictable delivery, production stability, and pragmatic solutions that help users and businesses move faster.
- iOS development with Swift, SwiftUI, and UIKit
- Android development with Kotlin
- Web applications and backend systems
- API architecture and third-party integrations
- Payments, subscriptions, analytics, and cloud infrastructure
- AI-powered applications and developer tools
- Building PolyDebate AI, an AI-powered decision-support platform
- Developing independent mobile and web products
- Delivering production systems for international clients and businesses
I have contributed to platforms across restaurant technology, logistics, travel rewards, vehicle tracking, blockchain analytics, and consumer applications.
- Website: onehamza.com
Over a decade of engineering. Built for production.
Note: Much of my professional work is maintained in private, client-owned, or self-hosted Git repositories, so my public GitHub activity represents only a portion of my engineering work.

