Senior Software Engineer API (f/m/d) - Node.js, SQL

Das ist der Job

You are interested in the position as Senior Software Engineer API (f/m/d) - Node.js, SQL at smartclip Europe GmbH ?

Darum lohnt es sich

DevOps Basics: You are comfortable with Docker, Git, and the general flow of modern CI/CD pipelines. Team Ownership over tickets: You’re trusted with real responsibility, not just tasks.

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.

Application Process A quick intro call with Sarah (Head of Talent Acquisition @smartclip) Video call with your future manager and a teammate – real talk, no script Meet us in Berlin: hands-on case study, coding challenge (pair programming), or a role play – depending on the role Prompt, honest feedback from Sarah – no ghosting, we promise About the Company About smartclip smartclip is the adtech development unit of RTL Group — Europe’s leading free-to-air broadcaster group.

On Instaffo, you can apply for this and other jobs with ease. Create your profile in under 2 minutes and start the application process with just a few clicks. Please note that this position requires work authorization for Germany . The language requirements for this position are: English - Fluent (C1) .

The estimated salary range from XING does not necessarily correspond to the salary range of this job offer. We use AI to accelerate – not to replace thinking. We design the system, steer the output, and take responsibility for what we ship. Fast where it makes sense. Careful where it matters.

Activities We are looking for a backend specialist who loves the intersection of stability and scalability. Your focus will not be on a title, but on the impact of your code. You will: Bridge Systems: Build and maintain robust microservices that ensure seamless communication between internal and external environments.

Drive Implementation: Take full ownership of features from a raw idea to a production-ready deployment. Evolve the Architecture: Contribute to our technical roadmap by questioning the status quo and proposing scalable solutions.

Secure the Flow: Implement and refine authentication and authorisation flows (OAuth, Auth0) to keep our systems safe and accessible. Optimise the Core: Ensure our data layer is lean and fast, applying deep knowledge of SQL and PostgreSQL to solve complex data challenges.

Requirements Core Competencies: Node.js & TypeScript Mastery: You can write clean, maintainable, and type-safe code that thrives in a production environment. Data Architect Mindset: You don't just write queries; you understand how to design efficient database schemas and optimise them for performance (PostgreSQL).

The Art of Persistence: You know how to leverage ORMs effectively, understanding exactly when they help and when they get in the way. Quality Obsession: Automated testing (jest/mocha) isn't a chore for you—it's the only way to ship with confidence.

Bonus Skills (The Power-Ups): Experience navigating the AWS ecosystem or monitoring tools like Grafana, Prometheus, or Graylog. A track record of mentoring peers or leading the technical direction of a project. A degree in Computer Science or a self-taught journey evidenced by a strong portfolio.

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. 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.