Amir Hamza

Android Developer @Auction-Experts

Amsterdam, NL

Designed and developed auction-specific Android applications using Kotlin, Jetpack Compose, and MVVM architecture, supporting various formats such as live, timed, silent, and proxy bidding.Integrated SignalR for real-time, low-latency communication, enabling smooth and responsive live bidding experiences.Built complete app features including user authentication, bidding logic, real-time timers, push notifications, payment gateway integration, and post-auction reporting.Managed end-to-end app deployment on the Google Play Store, including creating listings, managing release tracks (internal, alpha, beta, production), optimizing store presence (ASO), and ensuring compliance with Play Store policies.Monitored and improved app performance using Firebase Analytics, Crashlytics, and Play Console reports, maintaining 99%+ crash-free sessions and reducing ANRs.Collaborated in Agile/Scrum workflows, contributing to sprint planning, retrospectives, and peer code reviews to ensure timely delivery and code quality.Mentored junior developers and provided architectural guidance to maintain clean, scalable, and maintainable codebases.