> Markdown version of [/jobs/ext/4611136-senior-typescript-developer](https://www.wearedevelopers.com/jobs/ext/4611136-senior-typescript-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Typescript Developer - **Company:** Sidestream - **Location:** Köln, Germany (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), TypeScript, Backend, Vue.js, Front End Software Development - **Published:** November 7, 2026 - **Apply:** https://www.careerjet.de/jobad/def622659781efb2233f00a4c7aa2a9d24 ## 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.