(Senior) Full Stack Engineer (m/f/x) - Based in Germany

Cara Care, a digital health company backed by Bayer AG, is on a mission to improve people’s digestive health through technology.

As we expand our product portfolio and modernize our platform, we’re looking for a versatile, pragmatic, and forward-thinking (Senior) Full-Stack Engineer (m/f/x) to help shape the future of digital therapeutics.

Your Role You’ll join a cross-functional product team with high ownership, lean processes, and a clear focus: deliver real impact to patients. We’re looking for someone who thrives on solving real-world problems with code, is technology-open, and knows when to build fast and when to build right.

Your main focus will be building and improving our backend services, while also contributing to our React Native apps.

You’ll also help us use AI tools and coding agents thoughtfully in day-to-day engineering, turning emerging capabilities into reliable workflows that improve how we design, build, test, and operate patient-facing products.

Your Responsibilities Design, build, and operate reliable backend services and APIs , primarily using Python, Django, and PostgreSQL, and contribute targeted changes to our React Native applications with TypeScript. Use AI coding agents to implement features, refactor code, and generate tests.

Define clear tasks and constraints, provide relevant context, Provide clear context and constraints, and validate changes through code review, automated tests, and application-level checks.

Take an end-to-end view of features : understand how mobile clients, APIs, data models, and infrastructure interact, and make pragmatic technical decisions across these boundaries.

Own backend delivery from architecture and implementation to automated testing, deployment, monitoring, and iteration, and continuously improve our CI/CD pipelines. Improve the performance and reliability of our backend services, APIs, and databases.

Connect AI-assisted development to engineering and design tools via MCP, for example to automate