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Germany, Cologne Remote

Sidebase Open-Source Contributor & Senior TS Dev (f/m/d) at Sidestream | Cologne, Germany (Remote)

Company/Recruiter: Sidestream

Published on: 8:31 AM | Oct 9, 2026 · Closes Nov 8, 2026
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✦ AI Summary

Sidestream is seeking a highly skilled Sidebase Open-Source Contributor & Senior TS Dev (f/m/d) to join our dynamic team.

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MorrJobs editorial notes

Our reading of this this opportunity Sidebase Open Source Contributor &Amp; Senior Ts Dev (F/M/D) opening: it is a responsibility-led role with a detailed skills profile role for candidates who can show evidence that matches the responsibilities and requirements published by Sidestream. The notes below are MorrJobs guidance based on this listing, not claims made by the employer.

What to demonstrate

Connect your CV or portfolio to Proven experience as a Senior TypeScript Developer.; Demonstrated contributions to open-source projects, preferably within the web development space.. Use one concrete example that shows you can Develop, test, and deploy robust TypeScript code for open-source projects..

Before applying

Confirm that Germany, Cologne and the stated work arrangement suit you, check the closing date of Nov 8, 2026.

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Use only the application method shown on this page. Do not pay an unofficial fee or share sensitive identity or banking documents outside the stated process.

Sidestream is seeking a highly skilled Sidebase Open-Source Contributor & Senior TS Dev (f/m/d) to join our dynamic team. We are a forward-thinking company dedicated to innovation and fostering a collaborative, enjoyable work environment. This role offers a unique opportunity to contribute significantly to the open-source community while leveraging your expertise in TypeScript development.

Job Overview

This position is for a Senior TypeScript Developer with a passion for open-source contributions, specifically within the Sidebase ecosystem. You will play a crucial role in developing and maintaining high-quality code, driving community engagement, and contributing to the evolution of our open-source projects.

Key Responsibilities

  • Develop, test, and deploy robust TypeScript code for open-source projects.
  • Actively participate in the Sidebase community, providing support and guidance.
  • Contribute to the design and architecture of new features and functionalities.
  • Identify and resolve bugs and performance issues.
  • Collaborate with internal teams and external contributors.

Requirements

  • Proven experience as a Senior TypeScript Developer.
  • Demonstrated contributions to open-source projects, preferably within the web development space.
  • Strong understanding of modern JavaScript frameworks and libraries.
  • Excellent problem-solving and debugging skills.
  • Effective communication and collaboration abilities.

What We Offer

  • The opportunity to shape and influence an exciting open-source project.
  • A collaborative and innovative work environment.
  • Professional development and growth opportunities.
  • A culture that values creativity and initiative.

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