Senior Software Developer – Mobile Security (Android / iOS) (m/f/d)

Participation in the development of our solutions as part of the SINA Mobile project Software development and software integration in the mobile environment with focus on Android and iOS Designing a durable application architecture for our mobile solution Close cooperation with product management to bring the apps to the next level Knowledge transfer to the team through code reviews, analyses and refactoring With your know-how, you can actively create our apps and our development process

You have: a successfully completed high-level/study in the field of computer science or a comparable degree multi-year practical experience in software development Multiannual experience in developing Android and iOS applications Advanced knowledge in Java / Kotlin and Swift Knowledge of encryption technologies such as VPN on Android and iOS a good understanding of build processes and CI / CD very good German and good English skills

Advantages are knowledge in the framework floodter Knowledge of secure communication protocols (e.g. SIP and SCIP)

You always pay attention to the performance, scaling and wartability of your code You want to take responsibility and drive your topics forward You like to introduce yourself and your topics to the team and share your knowledge You are open to work in an agile environment

Real team spirit: teamwork in teams that drive changes – no matter how complicated and extensive projects are Social relevance: We work on solutions that have Gamechanger qualities – in all areas of IT security Individual development: Career is not a standard recipe for us. We develop together and support you with what you need for you to continue The focus is on the human being: the strength lies in our diversity. We respect each other as we are. We are also at the heart of the reconciliation of work, family and private life. Here we have been certified since 2025 Flexible work: Twelve locations in Germany, Mobile Office, Shared-Desk model, Trust work time and flexible part-time models. Here is the right model for everyone Sun, beach or mountains: Work in the EU outland? No problem – You can work remotely within the EU for up to 20 days per year Beautiful Benefits Top: Enjoy bike leasing, corporate fitness program, discounted job ticket, secudog and much more If you would like to work at the forefront of technological development in a climate characterised by trust and fairness, we should get to know each other. .