Computer Engineer | Android & Backend Developer
I am very interested in mobile application development and I am dedicated to improving myself continuously. I try to stay up to date with new technologies and apply what I learn to my projects. I have experience in Android application development and enjoy creating efficient solutions. I am a team-oriented person with good analytical skills, and I am eager to learn new things and grow as a developer.
Android Developer
- Rebuilt and modernized multiple production Android apps to improve scalability, stability, and long-term maintainability.
- Implemented MVVM architectures using Kotlin, Coroutines, and Hilt.
- Integrated Revenue Cat and Google Play Billing for subscriptions and in-app purchases.
- Migrated React Native apps to fully native Kotlin, improving performance and stability.
- Built audiobook and media playback features using Exo Player3 with offline support.
- Integrated Readium for EPUB reading experiences.
- Implemented Room and Data Store for local persistence and offline-first features.
- Improved UI/UX across dozens of apps, including theming and onboarding flows.
- Investigated and resolved production issues to improve crash-free rates and reliability.
Mobile Application Development Intern
- Responsible for the development of the Eğitici Video Klipleri, Piri Keşif Aracı, and SOBIAD mobile applications.
- Designed and implemented modern, accessible, and user-focused interface designs.
- Contributed to supporting 8 additional languages and ensured seamless data synchronization.
- Optimized application performance by 32% through debugging and code refactoring.
- A total of 11 updates were released and published on digital stores.
- Technologies Used: Android Studio, Flutter, various Flutter libraries, Postman.
Android Mobile Developer Intern
- Version updates were implemented for the UstaPos Carpet Cleaning System application.
- Backend logical issues were identified, and the frontend was improved to provide a more user-friendly experience.
- Technologies Used: Android Studio, Java, PHP, Postman, MySQL
umutsaydam24@gmail.com
Adana, Türkiye