Senior Typescript Developer

About the role

Sidestream is looking for a Senior Typescript Developer to join a dynamic team that values innovation, humor, and collaboration. You will work on high‑impact projects ranging from digital transformation for leading companies to cutting‑edge blockchain and AI solutions.

Key responsibilities

• Build robust full‑stack applications using TypeScript, Nuxt3 and Vue.
• Lead projects from concept to delivery in agile teams, collaborating with product managers.
• Mentor junior developers and promote best coding practices.
• Research and introduce new technologies or methodologies to keep the company at the cutting edge.

Required profile

• Advanced experience with TypeScript or JavaScript and solid knowledge of Nuxt and Vue frameworks.
• Confidence to work on both frontend and backend components and take ownership of the full stack.
• Proven ability to work independently, deliver projects and mentor less‑experienced team members.
• Strong communication skills in English; German is a plus.

Required skills

• TypeScript
• JavaScript
• Nuxt
• Nuxt3
• Vue

What we offer

• Impactful projects ranging from digital transformation to open‑source tools, blockchain and AI.
• Mentoring from experienced professionals and access to proven development processes.
• Modern work culture based on the Entrepreneurial Operating System (EOS).
• Flexible work arrangement – remote, office in Cologne or hybrid.
• Regular team events, humor‑driven collaboration and occasional meet‑ups.