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

Role overview

Qualifications

  • Experience contributing to open-source projects
  • Proficient in TypeScript or JavaScript
  • Solid understanding of frameworks like Vue or React
  • Strong communicator

Responsibilities

  • Write, maintain, and enhance open-source projects like Sidebase
  • Address issues, create documentation, and develop a vision for open-source initiatives
  • Build robust applications using TypeScript, Nuxt3 and Vue
  • Help junior developers level up their skills through mentoring

Key facts

Hard skills

Other skills

  • Communication
  • Problem Solving
  • Collaboration

About the company

SIDESTREAM logo

SIDESTREAM

Our software is made with care and attention to details. What does that mean? Important software solutions should be tailored to your requirements and processes. This is where we can help. We combine fast and agile development with high quality, security and scalability. We do not develop throwaway products (MVPs), but focus on solutions that add value in the long term. Technologically, we often work with microservices and like to master "real world" challenges around big data, complex internal infrastructure and data protection. Examples of successful projects from the past, case studies can be found on our website: 1. Covid recovery portal for the city of Cologne 2. Machine data monitoring software (IoT) for a machine measurement company 3. Process automation in the lab for Forschungszentrum Jülich 4. Knowledge management software for GMP consultancy gempex 5. Real estate valuation calculator (proprate.de) for Cheil (Samsung Group) 6. Concept Sprint for the game developer Ubisoft Contact us anytime on LinkedIn or via our website for an unbinding get-to-know.

Company details

Company size11 - 50

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Job 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.
  • Flexibility: Work remotely, from our modern office in Cologne, or a mix of both—whatever helps you thrive.

Tasks

Your Responsibilities

  • Contribute to Open Source: Write, maintain, and enhance open-source projects like Sidebase and actively engage with the developer community.
  • Community Engagement: Address issues, create documentation, and develop a vision for open-source initiatives.
  • Fullstack Development & Technical Lead: Build robust applications using TypeScript, Nuxt3 and Vue. Collaborate with product managers to conceptualize, architect and implement projects in agile teams.
  • Mentor and Guide: Help junior developers level up their skills through mentoring and collaborative projects.

Requirements

What You Bring

  • Open-Source Enthusiast: You have experience contributing to open-source projects and actively engaging with the community.
  • Tech-Savvy: You’re proficient in TypeScript or JavaScript and have a solid understanding of frameworks like Vue or React.
  • Modern Tech Explorer: You enjoy working with cutting-edge technologies like Nuxt 3 and Kubernetes, staying ahead of the curve.
  • Craftsmanship in Code: You take pride in writing clean, composable, and peer-reviewed code that meets high-quality standards.
  • Passionate Collaborator: You’re excited about shaping the future of open-source and love working with others to bring ideas to life.
  • Hands-On Problem Solver: You’re open to a real-life coding challenge during the application process. We value developers who enjoy rolling up their sleeves and writing great code, not just technical managers.
  • Strong Communicator: Your can communicate great in English (and German is a bonus).

No cover letter required! Instead, share 2-3 sentences about why you’re excited about this role and what makes Sidestream appealing to you. You can also include links to projects you’ve worked on to give us an impression of your skills and contributions.

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MR

Marcus Rivera

Chief Revenue Officer

m.rivera@company.com
linkedin.com/in/marcusrivera
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