cuju is hiring a Senior Android Developer (m/w/d) to lead the development of our Kotlin- and Jetpack Compose–based Android app built on Kotlin Multiplatform Mobile (KMP). You will craft high-performance, scalable features that integrate AI, video, and advanced analytics to elevate the athlete experience, contributing directly to our mission of becoming the new digital standard in athlete identification and development.
What You'll Do
- 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.
- 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.
- 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.
What We're Looking For
- 5+ years of Android development experience.
- Strong proficiency in Kotlin, Kotlin Multiplatform (KMP), and Android SDK.
- 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 and proactive problem-solving skills.
- Ability to collaborate effectively with cross-functional teams.
- Fluent English.
- Passion for sports, user-centric products, 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.
Technical Stack
- Kotlin, Kotlin Multiplatform Mobile (KMP), Android SDK
- Flows, Coroutines, MVVM, Clean Architecture
- Jetpack Compose, Hilt/Koin/Dagger
- CI/CD, REST APIs, GraphQL
Team & Environment
We are a team of 11-50 employees working in a cross-functional structure. You will collaborate closely with designers, product managers, backend engineers, and computer vision teams.
Benefits & Compensation
- 30-day vacation
- Competitive compensation
- Remote flexibility
- Vibrant, international working environment
- Direct collaboration with top-tier football clubs and industry experts
Work Mode
This position is based in Germany, with remote flexibility.
cuju is dedicated to democratizing access to knowledge, development, and career opportunities in sports independent of gender, ethnicity or origin.
