EGYM SE
Feb. 2026 - PresentSenior Software Engineer
Working on the Branded Member App experience.
About Me
As an experienced Android Engineer, I bring a passion for crafting mobile experiences using Kotlin and modern Android development practices. My background in fullstack development with Node.js and React provides me with a comprehensive understanding of the web software ecosystem as well. I thrive on exploring emerging technologies and enjoy sharing my knowledge and skills with others.
Work Experience
Freeletics GmbH
Nov. 2022 - Jan. 2026Senior Android Developer
Worked on the Freeletics and Stædium app experience, focusing on computer vision features and platform optimization.
- Developed a multiplatform pose detection system to automatically count exercise repetitions from real-time camera recordings
- Extended the pose detection system with qualitative feedback capabilities, providing users with form correction and technique improvement suggestions
- Migrated our internal billing library to a simpler API interface
- Facilitated company-wide team workout sessions
- Organized team-building initiatives including cooking workshops, gaming sessions, and DJ events to foster company culture and collaboration
Freeletics GmbH
Nov. 2017 - Nov. 2022Android Developer
Contributed to core user acquisition and retention features across the Freeletics Android platform, specializing in user onboarding flows, monetization systems, and personalized coaching experiences.
- Implemented a comprehensive trial experience for new users, significantly improving user conversion rates and reducing onboarding friction
- Orchestrated company-wide hackathons to foster innovation and cross-team collaboration, resulting in multiple feature prototypes that were integrated into production
- Played a key role in the company's transition to full remote work, helping establish new collaboration workflows and maintaining team productivity during the shift
Bayerischer Rundfunk
Sept. 2015 - Oct. 2017Developer
Contributed as an Android and web developer to the successful development of multiple projects.
- Ankommen App: Contributed to the official refugee integration app for the German government
- Bayern3 Website: Enhanced the Bayern 3 website with improved user experience and modern web technologies
- Lauf10! App: Contributed to the Android fitness plan app from the concept to production
- Bayern2 App: Developed the Bayern 2 radio streaming app using React Native, delivering cross-platform audio experiences for listeners
Virality GmbH
Sept. 2014 - Aug. 2015Developer
Provided web development consulting services to external clients, delivering customized digital solutions and development frameworks.
- Designed and implemented a standardized web development workflow and toolchain, streamlining project delivery
- Developed an interactive company quiz application, incorporating gamification elements to enhance user engagement
Education
Technische Universität München
2014 - 2017Technische Universität München
2010 - 2014Werner-Heisenberg-Gymnasium Garching
2001 - 2010Honored for computer science skills in the final thesis.
Skills
- Kotlin
- Coroutines
- FlowRedux
- Khonshu
- Java
- Gradle
- Nix
- Devenv
- Android
- AndroidX
- MediaPipe
- Dagger
- Anvil
- Metro
- Retrofit
- Protobuf
- OkHttp
- Typescript
- Node.js
- GraphQL
- React
Products
Lvma
Android camera app for photography enthusiasts that brings the joy of film photography to the digital world. Built around shareable presets that apply a distinct look to every photo and can be previewed live in the viewfinder.
Spotty
Android app that turns phones and connected USB-C displays into fullscreen test surfaces for finding faulty pixels and checking image quality. Features solid color fills and diagnostic patterns with synchronized controls.
Bruno on Tour
Self-built website and rental business for a compact wooden camping trailer in Munich, combining a polished landing page, rental platform handoff, and customer-facing content.