Julian Bokelmann
Kotlin Backend Developer at sipgate
Mönchengladbach, North Rhine-Westphalia, Germany
Summary
👤
Senior🎓
Top SchoolJulian Bokelmann is a Kotlin backend developer and Android specialist with nine years of software experience, currently working on telephony apps at sipgate. He holds a BSc and MSc in Computer Science from Heinrich Heine University and published the code for his master's thesis on distributed databases on GitHub. Julian combines deep practical expertise in Kotlin, Coroutines, Flows and Jetpack Compose with hands-on knowledge of DI (Koin, Hilt), Firebase, Room/DataStore and testing across unit, UI and end-to-end pipelines. He has spoken at Droidcon Berlin about building a telephony app and independently shipped a Kotlin-built companion app for the Dune board game on Google Play. Known for pragmatic architecture and tooling choices—Gradle version catalogs, Renovate, secrets management—he bridges Android UI craftsmanship and backend/architectural concerns. Based in Mönchengladbach, he brings a hobbyist’s curiosity (board-game app development) to professional-grade mobile and backend engineering.
9 years of coding experience
4 years of employment as a software developer
Zerspanungsmechaniker, Zerspanungsmechaniker at Richard-von-Weizsäcker-Berufskolleg PaderbornMaster of Science - MS Computer Science, Master of Science - MS Computer Science at University of Düsseldorf
English, German
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (36)
reinforcement-learning9
python9
cpp9
google-play-console9
firebase8
algorithms8
node-library8
nodejs-library7
android7
kotlin-multiplatform5
android-sdk5
kotlin5
architecture4
gradle-plugin4
dependency-injection4
Programming languages (6)
Github contributions (5)
sipgate-io/sipgateio-node-examples
Nov 2020 - Jun 2021
Examples for the sipgate-io node library: https://github.com/sipgate-io/sipgateio-node
Contributions:6 commits, 4 pushes in 7 months
node-library
JBokMan/ktor-koin-exposed-service-template
Feb 2025 - Jan 2026
Contributions:21 PRs, 73 pushes, 11 branches in 11 months
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