You’ll join the Mobile Platform Core team, helping us to drive our efforts to deliver an innovative mobile client framework to support app development for a variety of solutions as a mobile framework developer.
Work on our Windows Framework (Unified Windows Platform) to develop our mobile client framework, where we expose native and exclusive functionalities and tools for developers using React Native to build their applications.
Contribute to the enhancement of the Windows client platform architecture with a performance-minded approach, ensuring robustness and efficiency.
Keep up to date with changes in Windows development so that you bring the latest solutions to the platform. Use what you learn to participate in the design and development of new mobile client platform features.
Establish a sophisticated toolchain & toolset for App Developers to continuously work with latest versions of our mobile client framework based on the most recent React Native for Windows development stack.
Help increase automated test coverage to facilitate reliable and quicker iterations of feature releases, enhancing both process and technical aspects of development. Support continuous improvements in methodology and technology, maintain the toolchain and test environments, and ensure high-quality standards by testing and reviewing code developed within the team.
Collaborate with internal & external development teams using our mobile client platform to share knowledge and best practices and to exchange experiences to develop the framework further.
Must-have:
Deep curiosity and proactivity to learn and research topics on your own
Strong knowledge of Computer Science Fundamentals
Experience with the UWP or the Windows App SDK using C#/.NET
Strong communication & team player skills
Nice-to-have:
Basic knowledge & experience in development of frameworks
Knowledge in JavaScript, TypeScript & React Native is a plus
Experience writing automated test suites
Experience setting up/maintaining CI/CD pipelines (Azure DevOps)
Experience with native development in iOS (Swift), or Android (Java) is a plus
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A purpose-driven mission with and for global industry pioneers in tackling complex challenges
- Room for creativity through collaborative teamwork and an open communication culture
- Flexibility and team bonding with our hybrid work options
- Fuel for your growth journey, both personally and professionally
- Sustainable mobility options, promoting eco-friendly commuting solutions
- Fun team events and outings with our global teams
- Inspiring workspaces in Mannheim and beyond
osapiens develops holistic Software-as-a-Service solutions that help global companies ensure transparency, efficiency, and trust across their entire value chain. Through its cloud platform, the osapiens HUB, the company leverages innovative technologies, including artificial intelligence, to strengthen businesses while promoting human rights, ecological responsibility, and sustainable corporate governance.
Founded in 2018 and headquartered in Mannheim, Germany, osapiens works with around 2,500 companies in over 50 countries across industries such as consumer goods, automotive, fashion, pharmaceuticals, and medical products. The company is backed by Goldman Sachs and Decarbonization Partners, reinforcing its commitment to responsible, sustainable growth and has reached unicorn status in January 2026.
