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Software Engineer (Frontend & Mobile) - (f/m/d)

Germany

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Indexed description

Software Engineer (Frontend & Mobile) - (f/m/d) at D4L data4life gGmbH

Requirements

Please note that this position requires work authorization for Germany.

Language: English - Fluent

Must-haves:

  • University degree in Computer Science, Software Engineering, or a related field.
  • Solid experience in web development with React or React Native.
  • Strong foundation in HTML, CSS, and JavaScript including TypeScript; hands-on experience with cross-platform development (React Native, Flutter, or Capacitor JS).
  • Deep commitment to performance, semantic markup, accessibility, and security.
  • Fluent written and spoken English (C1+).
  • A collaborative mindset and the ability to work well in a cross-functional, international team.
  • Practical fluency with AI-assisted development tools (e.g. Cursor, GitHub Copilot, agentic coding workflows).

Nice-to-haves:

  • Android app development experience.
  • iOS development experience.
  • Experience with wearables, BLE, or Wear OS.
  • Up to date on new web APIs, frameworks, and standards (WebWorker, ServiceWorker, WebAssembly).
  • Experience mentoring junior engineers.

Activities

YOUR FUTURE ROLE

  • Build accessible, performant, and well-tested frontend and mobile features following clean code principles.
  • Develop, test, and review code — and have a real voice in software design and architecture decisions.
  • Implement modules connecting to wearable sensors via Bluetooth Low Energy (BLE) and mobile SDKs (Wear OS, smartwatches).
  • Extend our Wear OS companion app (Kotlin) and contribute to cross-platform solutions.
  • Use your UI expertise to craft digital health products and prototypes with a strong focus on user experience.
  • Collaborate closely with UX Design, Backend Engineering, QA, and Product Management.
  • Work confidently with AI tools — vibe coding, agentic workflows, and AI-assisted development are part of how we work.

Team

You will be joining our Germany-based Software Engineering team, including a QA Engineer, Frontend & Mobile Engineers and Full-Stack Software Engineers, and a Technical Writer. We work in a highly collaborative, cross-functional environment with short decision-making paths, close knowledge sharing, and a supportive team culture.

About The Company

ABOUT DATA4LIFE

Data4Life develops open science solutions for real-world health data, serving academia, pharmaceutical research, and global health authorities. Our scalable platforms are built on international standards including OMOP and FHIR, enabling interoperable research environments grounded in rigorous data governance and transparency. In collaboration with world-leading partners, we support cross-border studies drawing on hundreds of millions of patient records.

Real-world evidence does not emerge from large volumes of data alone. It emerges where high-quality data is collected responsibly, standardized, analysed transparently, and translated into scientific and societal impact. Data quality, transparency, interoperability, and data sovereignty are not optional requirements, they are the foundation of research that can be trusted.

Data4Life has developed D4L Collect and Data2Evidence, two standardized software solutions to collect and analyze real-world data (RWD) to generate real-world evidence (RWE) and translate them into actionable evidence for research, patient care, and regulation.

WHY YOU'LL LOVE WORKING WITH US

  • Impact that lasts Your work directly advances health research — backed long-term by the Hasso Plattner Foundation. Clear mission, no pivot risk, sustained over time. We collaborate with leading partners from research, technology, and healthcare.
  • Technical depth Complex domain, serious engineering. You'll tackle hard problems with a senior, international team using modern technologies across the full stack — with real creative freedom and personal ownership.
  • Small team, big authorship Expert-dense, no management layers between your idea and production. Your decisions shape the product from day one, across a diverse, interdisciplinary team spanning three locations (Berlin, Potsdam, and Singapore).

Click on "Apply" for details on the benefits, the team and the application process.
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