Mobile Engineer

About Cosmose AI

We make smartphones smarter. Cosmose is integrated by eight phone makers, capturing first-screen real estate and first-party data to drive over 2 billion daily user interactions in 60+ countries.

Why Join Cosmose AI?

• Global Scale: Build a product natively integrated across eight major OEMs with access to first party data from millions of phones in over 60 countries.
• Elite Talent Density: Work alongside IOI and ACM-ICPC champions.
• High Autonomy, Fast Velocity: Take complete ownership with rapid deployment cycles and a flat org chart.
• Real Ownership: Earn stock options that directly tie your upside to our global growth and success.

We are seeking Mid-level Mobile Engineer to join our dynamic and rapidly expanding team. In this role, you will play a crucial part in building our innovative products, including applications and SDKs that will power Cosmose technology on millions of devices from our partners. If you are passionate about mobile development, enjoy solving complex challenges, and are excited to work on projects that reach a wide audience, we would love to hear from you.

TL;DR Why us:

• Big Scale & Startup Culture: Join a company that combines the scale of a major player with the agility and innovation of a startup
• Exceptional Team: Collaborate with a team of former employees from tech giants like Google, Facebook, ByteDance, and Microsoft, as well as ACM ICPC programming champions
• Stock Options: As we grow and succeed together, you'll have the chance to benefit from it
• Flat Structure: Enjoy a flat organizational structure that promotes collaboration and provides opportunities to learn from seasoned technical leadership
• Challenging Engineering Problems: Tackle challenging engineering problems in areas of high-performance computing, distributed systems, blockchain, and AI/ML

What You’ll Do

• Mobile App Development: Design, develop, and deploy high-quality mobile applications that deliver exceptional user experiences.
• App Optimization: Ensure our mobile apps run efficiently and effectively.
• Automated Testing: Implement comprehensive automated tests to maintain the robustness and reliability of our mobile applications.
• Innovation: Contribute creative ideas and solutions to enhance our products and stay ahead of market trends.
• SDK Development: Collaborate on the development and maintenance of our Mobile SDKs to support third-party integrations.
• Business Support: Assist our business teams with technical expertise and solutions to meet their mobile-related needs.
• Knowledge Sharing: Share your knowledge and expertise with the team to foster a collaborative, learning-focused environment.

What You’ll Need:

• Minimum 3 years of experience in designing, developing, and deploying mobile applications, with a strong understanding of key concepts and best practices.
• Experience developing mobile applications using Kotlin, with hands-on experience in Kotlin Multiplatform (KMP). Strong knowledge of native Android development is required. Flutter and iOS experience is nice to have.
• Understanding of some of the AOSP (Android Open Source Project) architecture and Android OS internals will be a strong advantage.
• A passion for staying up-to-date with the latest advancements in mobile technologies and a desire to push the boundaries of what's possible.
• Ability and confidence to communicate effectively within the team (Polish and English are required).
• Proven relevant experience in the Android or cross-platform mobile ecosystem will be a plus!

We’re building something big-and we’re just getting started.

If you’re excited about shaping the future of AI-powered mobile content, we’d love to meet you.

Be part of the Cosmose story. Apply now!

Read more on:

TechCrunch, Business Insider