Profile
Software Engineer with 11 years of experience developing native Android apps.
Seasoned Android Developer
Worked on apps with millions of active users, in agile cross-functional teams,
for companies like Adidas Runtastic, FlixBus, BCG, Volkswagen, eBay and ProSieben.
Master of Informatics
Finished undergraduate study with an honorary mention (cum laude) for
academic achievements and graduate study with the Dean's Commendation.
Kotlin Multiplatform Enthusiast
Fan of Kotlin Multiplatform technology and test-driven development. Continually striving to improve.
Currently looking into SwiftUI and iOS app development.
Skills
Kotlin
Android
Compose
Clean Architecture
Material Design
Scrum
CI/CD
TDD
Java
RxJava
Gradle
SQL
Coroutines
Espresso
Flank
JUnit
Mockk
Koin
Dagger
Fastlane
TalkBack
MVVM
Charles
Figma
Zeplin
PhraseApp
JIRA
Experience
Nov 2023 - PRESENT • ORIGINAL APP
TouchShield: Touch Blocker App
Designed, developed and launched as a solo side-project. Locks the device to a specific app (e.g. YouTube) and blocks all touch input.
Prevents toddlers (and older kids) from exiting the touch shielded app.
Kotlin Screen pinning Picture-in-picture Jetpack Compose
Oct 2022 - Oct 2023 • FREELANCE
Joyn: Media Streaming App
Developed UI components in Jetpack Compose. Wrote tests. Improved existing and developed brand-new features.
Contributed to Architecture Decision Records.
Kotlin Coroutines Espresso Jetpack Compose
Feb 2021 - Sep 2022 • FREELANCE
Kijiji Autos: Search Local Ads for New & Used Cars
Worked on features related to creating and viewing car ads.
Implemented A/B tests. Helped with the transition to Adevinta systems after their $9.2 billion acquisition of eCG.
Dec 2020 - PRESENT • ORIGINAL APP
TimelyDone: Track Your Working Hours
To-do list app with time tracking and timesheets PDF export.
Kotlin Jetpack Compose SQLDelight KMP
Oct 2020 - Jan 2021 • FREELANCE
Camo: Use your phone as a webcam
Developed an Android version of the
Camo iOS app.
Built 100% in Kotlin, using the latest Android Jetpack and CameraX libraries.
Feb 2020 - Jul 2020 • ORIGINAL APP
jDay: Health Journal & Planner
Built 100% in Kotlin, on Kotlin Multiplatform stack.
Designed, developed and launched as a solo side-project.
Follows Material Design recommendations. Supports Dark Theme.
Uses Clean Architecture.
Kotlin Multiplatform Coroutines Flow SQLDelight Koin GitLab JetPack Navigation Data Binding MVVM
Jul 2019 - Jan 2020 • EMPLOYEE
MOIA: Ride sharing in Hamburg & Hanover
Improved CI pipeline by reducing UI tests running time from 1h+ to under 10 minutes (using Flank).
Added Accessibility (TalkBack) Support.
Worked on creating an automated testing strategy with QA.
Improved existing and added new features.
Jan 2018 - Jun 2019 • EMPLOYEE
FlixBus: Smart bus travel
Converted Java code to Kotlin. Worked on features like Where is My Bus,
Seat Reservation, Rate Your Ride. Wrote unit, integration, and UI tests.
Took part in the hiring process with coding challenge reviews and technical interviews.
Education
2012 - 2014
Graduate Study: Information and Software Engineering Programme
Master of Informatics
2009 - 2012
Undergraduate Study: Information Systems
Bachelor of Science in Information Technology (cum laude)