Sidebase Open-Source Contributor & Senior TS Dev (f/m/d)

Cologne, North Rhine-Westphalia, Germany • Posted June 03, 2026

Job Type: CDI
Location: Cologne, North Rhine-Westphalia
Posted: June 03, 2026
Category: Computer Occupations
Application Deadline: July 13, 2026

Role Description

Why Join Sidestream?


At Sidestream, we’re building a team of committed, explorative and witty individuals who love pushing boundaries while having fun. Here’s what you can expect:



  • Impactful Work: Contribute to projects that matter, whether it’s digitalizing leading companies, developing open-source tool or innovating with blockchain and AI.

  • Learning & Growth: Gain mentoring from experienced professionals and access to proven processes that prepare you for success in a fast-paced tech environment.

  • Our Culture of Excellence: Embrace modern systems like the Entrepreneurial Operating System (EOS) to deliver outstanding performance and achieve ambitious goals.

  • Collaboration & Fun: Be part of a driven team that values humor, creativity and shared experiences, with regular team events and occasional meetups.

  • Flex...

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