You are interested in the position as Senior Backend Developer (m/w/d) at Legal Hero GmbH?
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Please note that this position requires work authorization for Germany.
The language requirements for this position are: English - Fluent.

We are looking for a (Senior) Backend Developer who takes ownership and thinks about backend systems from initial concept through to production. You will work closely with frontend, product, and AI teams and play an active role in shaping our technical future.

Activities

• 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

Requirements

• 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
• 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

Application Process

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

About the Company

Legalhero ist die moderne Plattform für Rechtsschutzversicherungen und Anwälte. Wir verfolgen das ehrgeizige Ziel, die Schadensfallabwicklung von Rechtsschutzversicherungen zu revolutionieren. Dazu integrieren wir uns direkt in die Systeme der Versicherer. Unsere Partneranwälte wickeln die Fälle hocheffizient und kundenorientiert auf unserer Tech-Plattform mit Hilfe von KI ab. Legalhero wurde 2017 gegründet und hat bis heute hunderttausenden von Versicherungsnehmern geholfen. Unsere ca. 90 Kollegen sitzen in Berlin, nahe dem Gleisdreieck.

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