Mobile App Developer

At Cobalt Streamworks , we help customers drive technical solution design, development, deployment and support them throughout their cloud journey. As an all-cloud service and consulting provider for midsize and large enterprises, we speak cloud fluently: IaaS, PaaS, SaaS—you name it. We seek new talents to join our engineering teams to advance our international projects. Embark on a journey of continuous growth and advancement as a Mobile App Developer , becoming an integral member of our talented engineering team, catering to the diverse needs of our clients. Take your expertise to new heights with Cobalt Streamworks by delivering high-performance, reliable, and clean mobile applications to ensure seamless user experience across Android and iOS platforms. At Cobalt Streamworks, you will: Develop new features and optimize existing apps for Android and iOS Ensure performance, quality, and responsiveness across a wide range of devices Connect mobile apps to the backend via REST APIs or MQTT Write automated tests (Unit and UI) to maintain high-quality standards Collaborate closely with designers, backend developers, and product managers Work in a young, dynamic team responsible for the entire product ecosystem—from hardware to backend to frontend Participate in agile development processes (e.g., SCRUM) to deliver value iteratively Required technical and professional expertise: Completed degree in a technical field (computer science, information technology) or comparable qualification Experience in native mobile development with Kotlin (Android) and Swift (iOS) Confident use of Xcode , Android Studio , and Git Experience with Gradle , Swift Package Manager (SPM) , CocoaPods , and SQLite Experience with cross-platform frameworks (e.g., Flutter, React Native) Knowledge of Bluetooth communication and connecting external devices via APIs Ability to develop clean, maintainable code with attention to UX/UI quality Team player with structured work habits and good English skills (minimum B2 level) Nice to have: German language This role requires collaboration with customers from all around the world, therefore fluency in English is required (minimum B2 level). German language will be a huge benefit. Benefits: B2B or employment contract Work with the latest mobile technologies Industry-leading healthcare and comprehensive medical coverage (Luxmed) Opportunities to enhance your qualifications Customizable 1-on-1 English or German lessons Modern computer equipment Opportunities to network and connect (team-building events, get-togethers) Employee referral program Flexible working schedule Location: 100% remote Take your expertise to new heights and gain the most in-demand skills. Sounds like a fit? Let’s talk.