Senior Mobile Engineer - Android

Senior (Android) Mobile Engineer

Location: Germany – Remote Working

Type: Full-time

Department: Engineering / Ad Tech – Client XP

About OneFootball

OneFootball is the world’s #1 digital football platform, with more than 100 million active users across the world. Founded in 2008, we have come a long way to provide our users with the best personalized digital football experience.

You will be responsible for the architecture and hands-on integration and development efforts required to create and maintain an enterprise-wide ad technology infrastructure across all our digital properties including web, mobile, and OTT systems.

• Understand the needs of the OneFootball Sales and Business teams and, in response, architect, build/integrate, and maintain an ad platform system that delivers a holistic, data-driven solution to grow revenue.
• Introduce new cross-platform ad tech features and maintain the current media advertising tech stack (Android).
• Continuously improve our Product while ensuring quality and performance of the app.
• Create easy-to-read, high-performance and well architected code.
• Apply system and subject matter expertise to quickly diagnose and fix technical issues hindering ad delivery or revenue generation on digital inventory (including video and mobile).
• Recommend ways to optimise ad infrastructure architecture and improve the quality of real-time signals being passed to programmatic buyers at bid time.
• Establish the short and long-term needs of the ad platform solutions including budget, resource and system requirements, and alliance management strategies required to lead and execute on key projects to solve complex business challenges.
• Work with the Business Intelligence and Data Solutions to extract more out of the company\’s proprietary data assets, help craft new products to empower the revenue.
• Support the Monetisation Product team in formulating and executing a data-driven strategy to optimising impressions and improving Ad performance metrics.

What You’ll Bring

• 4+ years of experience in building and maintaining Native Android applications in an ad-driven media business.
• Good knowledge of Flutter / Dart to develop cross-platform applications.
• Experience with Extreme Programming (XP) – Paired programming, TDD, CI etc.
• Strong understanding of modern Android architectural approaches.
• Strong understanding of modern Android architecture with Unit Testing and a strong knowledge of JSON, REST and/or other API technologies.
• Experience integrating DSP (Google Ad Manager, Amazon, Nimbus or DV360) into mobile applications.
• Experience working with CI/CD systems.
• Strong problem-solving skills.
• Capable of having strategic conversations about technical discussions across teams.
• Experience with agile methodologies.
• Having Knowledge or prior experience in media/entertainment or with a direct-to-consumer streaming service is a great advantage.

Why Join Us?

In Germany, we support a flexible work model, offering the possibility to work remotely while encouraging occasional office visits for collaboration and team engagement.

• Vacation Days: 26 days, plus 1 extra day each calendar year (up to 5) + your birthday off.
• Personal Days: 5 \“OneFootball Days\“—take time off when life happens, no questions asked!
• Additional Pension Contribution for a secure future.
• Learning & Development Budget: €600 per year (after probation) to help you grow.
• Mental Health Support via OpenUp—because your well-being comes first.
• Company-Issued MacBook to power your success!
• Remote Work Abroad: Up to 63 days per year working from another EU country and up to 6 weeks outside of the EU.

No matter where you are, OneFootball is committed to providing a workplace that values flexibility, balance, and personal growth. Join us today!

At OneFootball, we value the insights and ideas that stem from having a diverse team. We believe everyone should have the opportunity to be a part of the beautiful game—irrespective of gender, race, ethnicity, nationality, age, background, sexual orientation, religion, team followed, or other personal traits. Whether you\’re a dedicated 24/7 football fan or not, we actively seek to recruit and support a diverse team to ensure our platform, football, and the wider world are viewed through an inclusive lens.

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