Sergej Shafarenka
Software Architect & Mobile Expert at Halfbit GmbH
Mannheim, Baden-Württemberg, Germany
Summary
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Rockstar🎓
Top SchoolSergej Shafarenka is a seasoned Software Architect and Mobile Expert with 11 years of professional experience building modular, production-grade mobile and full-stack systems across automotive, e-bikes, streaming, and industrial domains. He has led architecture and modularization initiatives at Bosch, maxdome/ProSiebenSat.1 and ioki, authoring open-source libraries like Knot and Edge-to-Edge that underpin robust state management and UI handling in Kotlin/Android. At Halfbit he consults across frontend-to-database stacks, automating order workflows and integrating niche devices (Garmin/Android) while exploring practical AI governance and embedding AI into business processes. Comfortable across Kotlin Multiplatform, Swift/SwiftUI, Vue, PostgreSQL and CI/CD ecosystems, he pairs hands-on development with architecture reviews and process improvements. Known for turning complex legacy apps into modular, testable systems, he also brings an uncommon blend of embedded systems experience (Siemens) and enterprise HANA/SAP architecture background. Based in Mannheim, Germany, he combines product-minded engineering with a curiosity for AI-assisted workflows and data locality challenges.
11 years of coding experience
20 years of employment as a software developer
Belarusian State University of Informatics and Radioelectronics
German, English
Stackoverflow
20,266reputation
1.7mreached
374answers
12questions
debugging
top-5%
java
top-5%
android-fragments
top-1%
unit-testing
top-5%
android
top-1%
android-viewpager
top-5%
Github Skills (200)
gradle-play-publisher10
compose-desktop10
google-pay10
listings10
mvi-architecture10
surface-duo10
leiningen10
payment10
kotlin-multiplatform10
kotlin-android10
dependency-injection10
artifact10
android-sdk10
dependency-inversion10
android-library10
Programming languages (8)
Github contributions (5)
sergejsha/featured
Jun 2016 - May 2019
Simple yet powerful composition library for Android
Contributions:5 releases, 9 PRs, 69 pushes in 2 years 11 months
compositionsimple-yet-powerfulandroidkotlinmaterial-design
sergejsha/magnet
Apr 2022 - Aug 2022
Dependency injection library for modular Android applications
Contributions:38 releases, 9 commits, 131 PRs in 3 months
injectionandroiddependency-injectionkotlindependency-injection-library
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