Location: Remote from Germany

Industry: Sport-Tech | Start: ASAP | Languages: Fluent English

CUJU is on a mission to become the new digital standard in athlete identification and development in global sports. Our platform harnesses AI, advanced analytics, and digital networking to democratize access to knowledge, development, and career opportunities independent of gender, ethnicity or origin. We digitally empower athletes and sports organizations with unbiased and data-driven insights on our way to redefine the future of 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:

• Opportunity to be the founding member of a strategic new Data team.
• Significant influence on CUJU’s growth, product strategy, and industry-leading innovation.
• Competitive compensation, remote flexibility, and a vibrant, international working environment.
• Direct collaboration with top-tier football clubs, industry experts, and an ambitious cross-functional team.
• 30-day vacation

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.

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