Ensar Bayhan
Senior Mobile Engineer at Vestiaire Collective
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolEnsar Bayhan is a Senior Mobile Engineer based in Berlin with 7–8 years crafting production-grade iOS and Android applications across fintech, retail, and enterprise domains. He has led end-to-end mobile work—from architecting Android apps and payment SDKs to introducing SwiftUI screens and refactoring large-scale apps for performance and maintainability. At Klarna and Vestiaire Collective he contributed to in-app shopping and commerce experiences, while earlier roles included building a deep-learning face-recognition payment flow and EMVCo 3D Secure mobile SDKs. Comfortable across native and cross-platform stacks, he pairs strong engineering fundamentals with a pragmatic focus on test automation and code review culture. Notably, he has hands-on experience creating both Android and iOS apps from scratch and shipping complex payment integrations that bridge mobile UI and security requirements.
7 years of coding experience
10 years of employment as a software developer
Bachelor of Science (B.Sc) Computer Engineering, Bachelor of Science (B.Sc) Computer Engineering at Istanbul UniversityMaster of Science (M.Sc) Computer Engineering, Master of Science (M.Sc) Computer Engineering at Yıldız Teknik Üniversitesi
Turkish, English, German
Stackoverflow
883reputation
80kreached
11answers
1question
sqlite
top-5%
kotlin
top-5%
Github Skills (27)
kotlin9
sqlite9
xml6
android-studio6
android6
android-layout6
android-recyclerview6
java6
android-intent6
onclick6
annotation-processor5
android-development4
google-maps3
marker3
clustering3
Programming languages (5)
Github contributions (5)
BKMExpress/BKMExpressXamarinSDK
Jul 2020 - Sep 2021
Contributions:5 pushes, 2 branches, 1 comment in 1 year 1 month
ensarbayhan/tmdb-kotlin-sample
Aug 2018 - Nov 2018
Contributions:11 pushes, 1 branch in 2 months
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