Senior Full Stack Software Engineer (f/m/d) - React, Node.js

Role Overview

Join our UI Engineering team and take ownership of full-stack projects that power our adtech ecosystem. We work remote by default, but come together in Berlin for larger features and brainstorming sessions.

What You Will Do

Build and maintain modern React frontends and Node.js APIs with TypeScript, design and implement REST or GraphQL APIs, collaborate with backend engineers and designers, and contribute to architecture decisions.

Why It Might Be a Fit

You'll have ownership over tickets, build and test your own projects, and receive direct feedback and honest collaboration. We invest in your growth and keep you at the cutting edge.

Requirements

• 5+ years of hands-on experience in full-stack JavaScript development
• Deep knowledge of Node.js, TypeScript, React, and modern web architectures
• Solid understanding of relational databases, including database design, SQL querying, and REST API development
• Strong sense of code quality with hands-on experience in testing, including frameworks such as Jest, Vitest, or Node's built-in testing framework

Benefits

• 30 days of vacation
• Dec 24 & 31 off
• Smart Fridays (4 days week possible)
• mobility (Germany ticket & JobRad)
• sports & health offerings
• mental health support
• corporate benefits
• RTL+ access