Senior Android Developer (m/w/d)

Location: Hybrid – München / Frankenthal / Hamburg / Cologne/ Remote Germany

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.
• 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.

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. Y