Mobile Software Engineer (SDK) (f/m/d)

We’re looking for a Mobile Software Engineer (SDK) to join our SDK team! You will be responsible for building the justtrack SDK across all our mobile and web platforms, with the focus on iOS. You will work in a highly technical team alongside other engineers and a Tech Lead to build a marketing and analytics SDK. You will contribute to the company’s success at one of the key client-facing frontiers of our software, ensuring that your solutions are efficient, easy to use for external developers, and provide a best-in-class developer experience. At justtrack, we build a SaaS business that provides app and game publishers with an attractive toolset to manage their entire global growth marketing process. Starting from managing, analyzing, and automating marketing processes, justtrack enables gathering deep mobile product insights. As part of the Applike Group (financially backed by media powerhouse Bertelsmann), justtrack has access to industry experts and funding with a long-term growth mindset. What you will do: Write Clean Code: Write clean, maintainable, and well-tested code following best practices, leveraging AI assistance to maximize efficiency. Plan & Deliver: Efficiently plan, estimate, and track your work while maintaining our automation and CI/CD pipelines to seamlessly ship the SDK to production Think in Systems: Understand how the SDK interacts with other parts of our ecosystem, such as the backend, ensuring solutions are efficient and robust. Document & Communicate: Write clear, concise documentation for the SDK and our open-source projects, and collaborate closely with team members to deliver optimal solutions quickly. Client Support: Help external developers with SDK integration, identify potential areas for improvement, and implement them to ensure a best-in-class developer experience. Business Mindset: Understand the fundamentals of our business and how they influence our technology choices, priorities, and product roadmap. Who you are: Experience: You have 3+ years of experience building software, preferably in the mobile domain (Native Android/iOS or cross-platform frameworks such as React Native, Flutter, or Unity). Programming Skills: Solid knowledge of one or more of the primary languages we use: Kotlin, Swift, JavaScript/TypeScript, C#, or Go. Automation Experience: Experience building and optimizing CI/CD pipelines and automation. Tools: You know your way around your favorite IDE, DBMS, AI tools, and HTTP clients. Technical Proficiency: Comfortable working with the terminal, understanding networking basics, and effectively leveraging AI tools to learn and improve code when needed. Mindset: You move fast, are eager to learn, and have a strong business mindset. You are pragmatic yet precise, avoid overcomplicating things, and are ready to regularly explore new technologies, including greenfield projects. Fuel for the Journey: Benefits to Support Your Ambitions Invest in Your Future: Regular feedback and our development program support your growth, helping you expand your skill set and achieve your career goals. Easy Arrival to applike: From signing to settling in Hamburg, we’ve got you covered. Need a visa? No problem. Ready to build your new life and career at applike in Hamburg? We support every ambition – from learning German to a relocation bonus that helps you settle in and make Hamburg feel like home. Live Your Best Life, at Work and Beyond: Flexible working hours, enjoy 30 vacation days, 3 weeks of remote work per year, and free access to an in-house gym with lots of different fitness classes and mental health support through our Employee Assistance Program (EAP). Thrive Where You Work : Enjoy the Alster Lake view from our central office with top-notch equipment, fun open spaces, and a large variety of snacks and drinks. Join the Community! Participate in regular team and company events, including hackathons and social gatherings. We work together, and we celebrate together, too. The Interview Process: 1st Interview with TA Case Study 2nd Technical Lead (SDK) 1 hour 3rd Technical Lead (SDK) and Director of Tech 1 hour Our mission is to create an inspiring work environment for amazing people to achieve extraordinary things. Be part of it ! Skip writing cover letters. Tell us about your most passionate personal project, your desired salary, and your earliest possible start date. We are looking forward to your application! We welcome applications from people who will contribute to the diversity of our company.