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

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

Requirements

Please note that this position requires work authorization for Germany

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Language

English - Fluent

• 5+ years of hands-on experience in full-stack JavaScript development.
• Deep knowledge of Node.js (framework e.g. Koa, Express or Fastify), TypeScript, React and modern web architectures.
• Solid understanding of relational databases (e.g. MySQL, MariaDB, PostgreSQL or SQL Server), including database design, SQL querying, and REST API development (GraphQL is a plus).
• A strong sense of code quality with mandatory hands-on experience in testing, including frameworks such as e. g. Jest, Vitest, or Node’s built-in testing framework – Clean design and automated tests are not optional.
• Bonus points for experience with: AWS, Jenkins, Grafana, Graylog, Confluence, Jira, Shell scripting

Activities

You’ll join our

UI Engineering team and take ownership of full-stack projects that power our adtech ecosystem.

This isn’t just about coding – it’s about collaboration, technical ownership, and making an impact.

Here’s what your day might look like:

• Build and maintain modern React frontends and Node.js APIs with TypeScript.
• Design and implement REST or GraphQL APIs that scale efficiently.
• Collaborate closely with backend engineers, designers, and product owners to translate requirements into elegant solutions.
• Write clean, maintainable, and well-tested code – with automated tests as a natural part of your workflow.
• Contribute to architecture decisions and best practices – we value opinions backed by experience.

Team

• Ownership over tickets: You’re trusted with real responsibility, not just tasks. No unnecessary bureaucracy, no micromanagement – we rely on you to take things forward.
• Build > Talk: We test what works – not what sounds good. Fail fast, learn faster.
• High standards, low ego: We take our work seriously, but not ourselves. Direct feedback, honest collaboration, no drama.
• Stay sharp: Hackathons, conferences, community – we invest in your growth and keep you at the cutting edge.
• And yes – the fundamentals are covered too: 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, and more.

About The Company

About smartclip smartclip is the adtech development unit of RTL Group — Europe’s leading free-to-air broadcaster group. Our proprietary advertising technology is custom-built for the needs of European broadcasters and publishers — enabling media owners to implement smarter monetisation strategies. We are committed to delivering the most innovative ad experiences spanning in-stream, out-stream, addressable TV, connected TV, audio, and gaming — ultimately empowering brands with true cross-screen storytelling opportunities on all devices.

For more information: Please visit www.smartclip.tv and follow us on LinkedIn.

Click on "Apply" for details on the benefits, the team and the application process.