Sinan Kozak
Staff Software Engineer at Delivery Hero
Berlin, Germany
Summary
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Rockstar🎓
Top SchoolSinan Kozak is a Staff Software Engineer based in Berlin with 12 years of experience building mobile and backend systems, currently shaping Android development at Delivery Hero. He progressed from Java-based, CMMI-5 military systems and build/release engineering to leading mobile teams at ImmoScout24, bringing deep expertise in data-centric architectures, build automation, and React/Android UI work. Sinan combines hands-on implementation skills with systems thinking—he notably cut build times dramatically as Engineering Configuration Manager and has migrated legacy desktop apps to modern web stacks. With dual master's training in electrical engineering and computer engineering, he blends strong academic foundations with practical product-focused engineering. Colleagues rely on him for scaling complex apps and improving developer workflows across large teams.
12 years of coding experience
9 years of employment as a software developer
Mühendislik Fakültesi, Electrical and Electronics Engineering, Mühendislik Fakültesi, Electrical and Electronics Engineering at TOBB Ekonomi ve Teknoloji ÜniversitesiMaster's degree, Computer Engineering, Master's degree, Computer Engineering at Orta Doğu Teknik ÜniversitesiLise, Sayısal, Lise, Sayısal at 60. Yıl Anadolu Lisesi
German, English, German, Turkish
Stackoverflow
3,316reputation
530kreached
47answers
5questions
android
top-5%
retrofit
top-5%
okhttp
top-5%
Github Skills (191)
programming-language10
sentry10
firebase-remote-config10
xcuitest10
testing10
windows10
maven-plugin10
http-client10
kotlin-library10
apollo-client10
gradle-plugin10
firebase10
logback10
jetpack10
gcloud10
Programming languages (8)
Github contributions (5)
kozaxinan/android-lints
Sep 2020 - Sep 2020
Custom set of android lints rules.
Contributions:22 releases, 13 reviews, 1 commit in 1 day
androidkotlinrulesandroid-lint-ruleandroid-lint
kozaxinan/mockito
Aug 2020 - Jun 2023
Most popular Mocking framework for unit tests written in Java
Contributions:8 pushes, 3 branches in 2 years 9 months
guicetest-automationtestingunitunit-tests
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