(Senior) Android Developer (m/f/d)

Germany·FrankenthalRemoteEmployeesenior

EngineeringMobile Developer

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Quick Summary

Overview

Location: Remote within Germany (Note, that we cannot provide visa sponsorship at the moment)Contract: Fixed‑term for 18 months, full-time or part-time (from 30 hrs/week) Industry: Sport-Tech | Start: ASAP | Languages: Fluent English Make the Unseen seen!

Key Responsibilities

As a Senior Android Developer at CUJU, you’ll lead the development of our Kotlin- and Jetpack Compose–based Android app, built on Kotlin Multiplatform Mobile.

Requirements Summary

5+ years of Android development experience Strong proficiency in Kotlin, Kotlin Multiplatform (KMP), and Android SDK and knowledge of reactive programming (Flows, Coroutines) Solid understanding of architecture patterns (MVVM, Clean Architecture)…

Technical Tools

graphqlkotlinci-cdcode-reviewdocumentationmobile-devrest-apis

Mobile Architecture & Development

Lead the design and implementation of new Android features using Kotlin Multiplatform Mobile (KMP)
Ensure high performance, clean architecture, and reusability across modules
Work closely with backend and computer vision teams to integrate AI-powered analytics, video features, and gamification elements
Maintain a strong focus on user experience, scalability, and code quality

Collaboration & Quality

Work cross-functionally with designers, product managers, and backend engineers to deliver end-to-end features
Perform code reviews, improve CI/CD pipelines, and ensure robust testing coverage
Mentor developers and help evolve the mobile engineering standards within CUJU
Contribute to technical documentation and architectural decisions

Continuous Innovation

Stay up to date with KMP, Jetpack Compose, and modern Android trends
Identify opportunities to improve app performance, reliability, and modularization
Actively participate in technical design discussions and contribute to CUJU’s technical roadmap

Requirements

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5+ years of Android development experience
Strong proficiency in Kotlin, Kotlin Multiplatform (KMP), and Android SDK and knowledge of reactive programming (Flows, Coroutines)
Solid understanding of architecture patterns (MVVM, Clean Architecture)
Experience with Jetpack Compose, Dependency Injection (Hilt/Koin/Dagger)
Familiarity with CI/CD, unit testing, and Play Store delivery processes
Understanding of REST APIs, GraphQL, and real-time data sync
Strong ownership mindset, proactive problem-solving skills and the ability to collaborate effectively with cross-functional teams
Excellent communication skills in English
Passion for sports, user-centric products, and/ or gamified digital experiences

Nice to Have

Experience with shared iOS integrations in KMP projects
Familiarity with Firebase, Crashlytics, and analytics tools
Experience with performance profiling and video-based applications
Contributions to open-source projects or mobile developer communities

What We Offer

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What We Offer

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✓Work at the intersection of sports and technology – with international clubs, partners, athletes, or influencers

✓Creative freedom & responsibility – actively shape processes, contribute your ideas, and make a real impact

✓Short decision-making paths – direct communication, quick decisions, and close collaboration with management

✓Flexibility – hybrid or on-site in our Munich office

✓Personal development – individual learning opportunities and room to grow beyond yourself

✓Team spirit & culture – a young, motivated international team, regular events, and a supportive environment

✓Purpose & impact – build something together that transforms the world of sports

✓Diverse benefits – e.g. 30-day vacation, competitive compensation, corporate benefits, and more

As a Senior Android Developer at CUJU, you’ll lead the development of our Kotlin- and Jetpack Compose–based Android app, built on Kotlin Multiplatform Mobile. You’ll craft high-performance, scalable features that integrate AI, video, and advanced analytics to elevate the athlete experience. Your expertise in Kotlin, KMP, and modern Android architecture will drive the next generation of mobile innovation in global sports.

Are you passionate about sports, communicative, and eager to actively shape the future of sports? Then we look forward to your application!

Please send us your CV directly via the application link.

Please acknowledge that we can only accept applications online through our recruiting software due to GDPR. Thank you!