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Senior Node.js Engineer

Wunder. Arrive together.

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Are you an enthusiastic Node.js developer looking to build the next generation of mobility apps_

We build an app used daily by thousands of people, and we take great pride in our work. This means excellent development practices, careful code architecture, and an organisation built around rapid releases. Work happens at our beautifully-designed downtown Hamburg office where you’ll work in our Product team consisting of engineers, UX designers, QA and product managers. Within the team, backlog groomings, planning meetings, daily stand/ups, demos and retrospectives keep us agile, accountable and reliable.

Continuous integration with automated testing allows us to run a weekly release train. Our beta release process gives us useful insight into user behaviour and heavy use of top-notch analytics, A/B testing and feature flagging allows for rapid iteration. With a strong focus on seamless user experiences, we balance building new features, refactoring code, and tweaking existing features based on analytics data.


  • Work with our CTO and with other engineers to design & architect new products & features for the Wunder Apps.
  • Integration of user-facing elements developed by front-end developers with server side logic.
  • Writing reusable, testable, and efficient code in Node.js.
  • Design and implementation of low-latency, high-availability, and performant applications.
  • Implementation of security and data protection for existing and new features.
  • Integration of data storage solutions.
  • Help the company growth by creating tools to better engage with our users.

Main requirements

  • 4+ years developing highly dynamic back-end for mobile applications.
  • Solid software engineering skills in a scrum environment.
  • Strong knowledge of Node.js and frameworks available for it and the ability to quickly pick up new technologies & skills.
  • Experience with CI/CD and container technologies.
  • Some experience with real-time, location based systems would be a plus.
  • Good knowledge of PostgreSQL.
  • Experience with scaling and performance optimisation of large systems.
  • Experience with AngularJS would be a plus.


  • Daily Team Breakfast
  • Gym or Transportation Pass
  • Team Events & Trips
  • Free Language Courses
  • Great Office & Colleagues
  • Visa and Relocation Assistance

Apply now

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