Location: Hybrid/ Cologne
Working Hours: Full-time or part-time (from 30 hrs/week)
Industry: Sport-Tech | Start: ASAP | Languages: Fluent English
Make the Unseen seen Our goal is to reinvent scouting in football and build the #1 global scouting platform for identifying and developing talent. With the help of modern AI technology, CUJU enables every young football talent to be seen – regardless of origin, gender, or social background. We create fair opportunities and transparent pathways into professional sports. Our platform connects athletes, clubs, and organizations worldwide to rethink scouting – data-driven, objective, and mobile. Together, we are shaping the next generation of global talent scouting.
We're building a scalable cross-platform product using Kotlin Multiplatform Mobile (KMP) to deliver consistent quality and speed across Android and iOS — and we're looking for a Senior Android Developer who can help us take CUJU to the next level.
Tasks
What You'll Work On:
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
What You Bring:
* 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
Benefits
What We Offer:
* Diverse benefits – e.g. 30-day vacation, competitive compensation, corporate benefits, and more
* 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
Your impact:
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.
Is this your next big play?
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