What You'll Do
We are looking for a (Senior) Backend Developer who takes ownership and thinks about backend systems from initial concept through to production. Whether you’re building robust APIs, designing high-performance database architectures, or integrating AI solutions, your hands-on mindset and technical judgment make the difference.
You will work closely with frontend, product, and AI teams and play an active role in shaping our technical future.
As a (Senior) Backend Developer (m/f/d), you will be responsible for:
- Designing and implementing scalable server-side architectures and database models
- Developing, maintaining, and evolving high-performance, secure, and maintainable backend services
- Owning API design, versioning, and lifecycle management
- Collaborating closely with frontend teams to integrate user-centric features
- Building and operating scalable infrastructure for AI workloads and external API integrations
- Ensuring high software quality through automated testing (unit, integration, and end-to-end)
- Actively monitoring and evaluating new technologies and architectural trends
What you bring
Hard Skills- Several years of experience as a (Senior) Backend Developer
- Strong proficiency in Kotlin, Java, or another JVM-based language
- Solid understanding of modern backend development principles and architectures
- Hands-on experience with LLM integrations (e.g. OpenAI, Anthropic, or comparable APIs)
- Experience working with vector databases (Pinecone, Weaviate, Qdrant) for RAG implementations
- Understanding of prompt engineering, context management, and AI orchestration frameworks (e.g. LangChain, LangGraph)
- Experience with message brokers and queueing systems (e.g. RabbitMQ or similar) is a plus
- Experience with Micronaut, MySQL, AWS, and Kubernetes is an advantage, but not a requirement
- Business-fluent English and good German language skills
Soft Skills- Openness, courage, and a creative, solution-oriented mindset
- Clear communication and strong alignment with both team and product stakeholders
- High sense of ownership and strong quality awareness
- Enjoyment of working collaboratively in a fast-paced, dynamic environment
What we promise
Work Environment & Flexibility- Office-first company: Hybrid setup with 3 days in the office and 2 days working from home, offering flexibility in how you structure your work
- Modern, air-conditioned office with plenty of natural daylight
- Central location between Gleisdreieck and Potsdamer Platz with excellent public transport access
- Spacious rooftop terrace with stunning views over Berlin
Benefits- Full coverage of a Germany-wide public transport ticket
- Dog-friendly office – we’re happy to welcome four-legged team members
- Corporate benefits platform with attractive offers and discounts across many brands
- Company pension scheme with a 20% employer contribution – we invest in your future
- Regular company and team events to strengthen collaboration and team spirit
- After-work fun: Nintendo Switch, PS5, darts, and table football
- Free drinks, fresh fruit, and muesli available at all times
Company Culture & Collaboration- Agile and modern mindset with open communication – every voice is heard
- Meaningful areas of responsibility with a strong focus on practical, real-world legal solutions
- The opportunity to actively shape our journey and contribute from day one
- Feedback is part of our culture – we believe in continuous, shared growth
Fast Application Process- Fast feedback
- 1. Approx. 20-minute introductory call with our HR team
- 2. Approx. 60-minute on-site interview with your hiring manager
- 3. Approx. 30-minute meeting with the management team
- A prompt offer following the interview process