Sidebase Open-Source Contributor & Senior TS Dev

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

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.

• 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).

Sidestream Ready to climb the next summit? At Sidestream, we combine commitment, an explorer mindset and humor to create unique software that truly makes a difference. What’s in for you?

• Hybrid work: remote & office = embracing flexibility and adaptability.
• Modern tools & tech: Automation-first, so everyone can focus on the essentials.
• Team events: Retreats, after-work drinks, remote hackathons? We’ll always find a way to stay connected.
• Growth: Never stand still and gain experience in real-life projects and problems.

Why do customers choose us?

• We listen and we care: partnership-based cooperation
• We’re committed: 100% reliability
• We focus on: quality, maintainability, scalability, and security

Join our highly motivated & closely aligned team to help us reach the next summit and shape Sidestream’s future.