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# Senior Typescript Developer

- **Company:** Sidestream
- **Location:** Köln, Germany (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Artificial Intelligence, Open Source Technology, Blockchain, TypeScript, Backend, Vue.js, Front End Software Development
- **Published:** September 21, 2026
- **Apply:** https://www.careerjet.de/jobad/de80b8accb3a46a298592a69a959d05915

## About the Role

* Deep Expertise: You have advanced experience in TypeScript or JavaScript and a solid understanding of frameworks like Nuxt and Vue.
 * Full-Stack Confidence: You're comfortable working on both frontend and backend projects, taking ownership of the entire stack.
 * Leadership in Action: You can independently complete projects and enjoy mentoring less experienced developers to help them grow.
 * Craftsmanship: You take pride in writing high-quality, peer-reviewed, and production-ready code that makes a real impact.
 * Pragmatic Approach: You focus on doing the right things, the right way, efficiently and effectively.
 * 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).

## Description

* Fullstack Development: Build robust applications using TypeScript, Nuxt3 and Vue.
 * Lead Projects: 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.
 * Drive Innovation: Propose and implement new technologies or methodologies to keep Sidestream at the cutting edge.

Profil, 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.