Temesgen K.

Game Developer | QA Engineer | Android Mobile Apps

I’m an Android & Game Developer with 5+ years of software engineering experience and 280+ Android games and applications delivered to clients. I specialize in: • Android app & game development using Java • 2D mobile game development and game play mechanics • Game loops, collision handling, scoring, UI, and performance optimization • Bug fixing, improvements, and maintenance of existing Android apps • QA automation using Python and PyTest • Functional, regression, integration, SAT and FAT testing • Software testing for safety-critical systems My Upwork track record includes 280+ delivered Android projects and 97 five-star reviews, with a 100% Job Success Score. Beyond freelance development, I have more than four years of professional experience testing safety-critical Air Traffic Control software for an international engineering company. I design automated tests, translate requirements into test cases, investigate defects, and work with distributed engineering teams. ### What I can help you with 📱 Android Development • Native Android applications • Java development • Bug fixing and feature implementation • Existing app maintenance • Offline/local database applications 🎮 Game Development • 2D Android games • Game mechanics • Game loops and collision systems • Scoring and progression systems • Performance optimization • Ad-supported mobile games 🧪 QA & Test Automation • Python/PyTest automation • Functional and regression testing • Integration testing • Test case design • Defect investigation • Requirements-based testing I’m comfortable taking a project from requirements and implementation through testing, debugging, and final delivery. If you have an existing Android app/game that needs development, bug fixing, optimization, or testing, send me the project details and I can review what needs to be done.