Hebe dich für diese Rolle von der Masse ab — erstelle in etwa einer Minute einen maßgeschneiderten Lebenslauf und ein Anschreiben.
Flexoptix GmbH in Darmstadt is seeking a hands-on Android developer to build and maintain our native Kotlin app, from design to Play Store release, and to integrate with embedded devices.
You will collaborate across disciplines—iOS, backend, hardware and QA—designed with Figma, using Jetpack Compose and modern architectures, with a strong focus on clean code, testing and agile practices.
Development and maintenance of our native Android app in Kotlin, from design to Play Store release
Hands-on experience integrating mobile applications with embedded devices
Implementation of adaptive user interfaces based on Figma designs
Contribution to key technical decisions, clean code and code reviews
Stay updated with the latest Android development trends and technologies
Close collaboration with the iOS, backend, hardware and QA teams
At least 3 years of professional experience in native Android development with Kotlin
Solid knowledge of Jetpack Compose, Material3, Coroutines/Flow and modern architecture patterns
Experience in using tools such as Android Studio, Git, Jenkins Pipelines
Confident in testing (unit) and agile development methods (Scrum)
Experience with AI-assisted development tools (e.g. Copilot, Claude) and critical evaluation of their output
Advantageous: Kotlin Multiplatform, Firebase, Java, iOS/Swift familiarity
Strong language skills – German at A1 and English at C1 level in written and spoken. What matters most is confident communication in both languages, in writing and speaking
At Flexoptix GmbH, we're more than just a workplace – we're a community dedicated to fostering growth, well-being, and success. When you join our team, you become part of a supportive environment where your contributions are valued, and your potential is nurtured. Here's why you'll love being part of our team:
Flexoptix GmbH is an equal opportunity employer and values diversity. We do not discriminate based on race, religion, colour, national origin, gender, sexual orientation, age, marital status or disability status.
Flexoptix is a telecommunications company based in Darmstadt. Since 2008, Flexoptix has been successfully developing and marketing solutions for network transceivers under the motto "Less Bullshit more Engineering". We offer a high-end range of products, services and applications for transceivers tailored to meet the specific needs of our customers. Known for our innovation with many industry-first solutions, Flexoptix continually invests in research and development to stay ahead of industry trends. At Flexoptix, we don't just provide solutions—we engineer success.
Our Flexoptix team is international and welcoming with around 100 colleagues from over 15 countries, we cherish and foster different viewpoints and experiences each person brings.