Senior Fullstack Engineer (m/f/d)

autoscout24•Technology

DeutschlandFull-timeOn sitelast month

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📄Stellenbeschreibung

A career driven by you.

Join AutoScout24 Group and experience life in the fast lane.

We’re not just leading the market; we’re creating it.

We’re constantly innovating, evolving and transforming things for our customers.

We’re driven, ambitious and determined to do our best work, together.

For a career that doesn’t stand still, where you can put your ideas in the driving seat and change the way the world moves, join our international community.

We’re hiring a Senior Fullstack Software Engineer to build and evolve products for our dealer customers.

You’ll work primarily with React, TypeScript and Node.js , with a stronger focus on frontend development while contributing across the full stack.

You’ll bring strong engineering fundamentals, sound technical judgement and the ability to take ownership of features in a complex, established product environment.

Alongside building customer-facing AI capabilities, you’ll use GenAI tools in your everyday development work .

We value curiosity and a willingness to learn; your depth as a software engineer is the foundation, and we’ll support you in developing your AI skills further.

What you’ll do:

Join one of our product engineering teams and build products used by our dealer customers.

Design, build and evolve customer-facing applications using React, TypeScript and Node.js , with a stronger focus on frontend development while contributing across the full stack.

Take ownership of features throughout the full development lifecycle — from technical design and implementation to testing, deployment and operation.

Work within large, established codebases and continuously improve their quality, maintainability and architecture.

Collaborate closely with Product, Design and other engineers to turn customer and business needs into pragmatic technical solutions.

Use GenAI development tools to support activities such as coding, debugging, refactoring, testing and documentation.

Apply sound engineering judgement when using AI-generated solutions, validating outputs and ensuring that quality, security and maintainability remain high.

Share knowledge, contribute to technical discussions and help continuously improve engineering practices within the team.

What you’ll bring:

5+ years of hands-on software engineering experience building and operating production systems.

Strong professional experience with React, TypeScript and Node.js .

Strong frontend engineering experience combined with the ability and willingness to contribute across backend services when needed.

Experience working in large, existing codebases and delivering maintainable, well-tested software.

Strong understanding of software engineering fundamentals, including application architecture, testing, code quality and maintainability.

Experience taking ownership of features or technical solutions from design through production.

Ability to make pragmatic technical decisions and clearly explain the reasoning and trade-offs behind them.

Experience collaborating effectively with Product, Design and Engineering colleagues in cross-functional teams.

Curiosity about GenAI and AI-assisted software development , with an interest in incorporating these tools into your everyday engineering workflow.

A learning mindset and the ability to quickly pick up new technologies and tools. Willingness to learn Java and contribute to Java-based backend services as needed.

Strong communication skills and the ability to collaborate, challenge ideas constructively and contribute to technical discussions.

Nice to have

Experience developing backend services with Java.

Hands-on experience using AI-assisted development tools such as GitHub Copilot, ChatGPT, Cursor, Claude or Codex.

Experience building features or applications that integrate LLMs or AI APIs .

Experience with cloud environments such as AWS .

Previous experience building products or tools for B2B customers.

A culture of growth

With over 50 nationalities represented, we’re proud to welcome people of all backgrounds to our growing community, and we’re always finding new ways to help people feel welcomed and included.

Here, you’ll have the tools, training and support you need to work in a way that suits you, learn new skills and reach your potential.

For a career where you can drive our business and shape your future, apply now.