Mertcan Toptaş
Android Developer at Nesine
Istanbul, Istanbul, Turkey
Summary
👤
Senior🎓
Top SchoolMertcan Toptaş is an Android Developer with eight years of hands-on experience building and modernizing mobile apps for major Turkish brands like İste Gelsin, Hopi, Vodafone Yanımda, A101 and SunPass. He specializes in scalable Android architecture (MVVM/MVI, Clean Architecture), Kotlin migrations, Jetpack Compose, and performance optimizations that have produced dramatic results such as shrinking APKs by over 70% on flagship projects. Comfortable across reactive stacks (Coroutines, Flow, RxJava), GraphQL/REST, Bluetooth and sensor integrations, he has delivered accessible and hardware-connected products like WeWALK and custom SDKs for reuse across teams. An active open-source contributor and agile learner, Mertcan pairs pragmatic engineering with a knack for refactoring legacy code into modular, testable systems. Based in Istanbul, he blends product-focused delivery with a continuous drive to adopt modern tooling and migration strategies that reduce maintenance overhead.
8 years of coding experience
5 years of employment as a software developer
Bachelor's degree Management Information Systems General, Bachelor's degree Management Information Systems General at Anadolu Üniversitesi (ANAÜ) | Anadolu UniversityLisans Derecesi Law, Lisans Derecesi Law at İstanbul Aydin University
Turkish, İngilizce
Stackoverflow
116reputation
16kreached
9answers
0questions
Github Skills (31)
kotlin10
paging10
jetpack10
compose10
mvvm-architecture10
jetpack-compose10
pagination9
kotlin-android9
android-ui9
coroutines8
android8
architecture8
dart6
uitextfield6
flutter6
Programming languages (4)
Github contributions (5)
merttoptas/CoinTracker
Nov 2021 - Feb 2022
Contributions:19 commits, 33 pushes, 2 branches in 2 months
merttoptas/compose-series
Jul 2021 - Apr 2022
Contributions:6 commits, 2 PRs, 5 pushes in 9 months
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