Senior AI Engineer (Libra - Legal AI Assistant) (m/f/d) at Wolters Kluwer | Berlin, DE | Rezi

Senior AI Engineer (Libra - Legal AI Assistant) (m/f/d) at Wolters Kluwer

Senior AI Engineer (Libra - Legal AI Assistant) (m/f/d)

Wolters Kluwer · Berlin, DE

1 months ago

Senior AI Engineer (Libra - Legal AI Assistant) (m/f/d)

Wolters Kluwer · Berlin, DE

2 months ago
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About the Role

As a Senior AI Engineer at Libra, you will develop and enhance our core AI product, building end-to-end features that utilize advanced LLM APIs. You will collaborate with Product, Legal Engineering, and Design teams to create AI-powered experiences for lawyers across Europe, working in a hybrid model at the Merantix AI Campus in Berlin.

Responsibilities

  • Design, implement, and maintain AI-driven product features end-to-end using LLM APIs.
  • Develop chat-based UX flows and non-visible AI integrations powering Libra's core functionality.
  • Build and optimize RAG systems, including document parsing, semantic chunking, and retrieval pipelines.
  • Build scalable, maintainable backend systems using FastAPI and modern Python tooling.
  • Design and implement agent orchestration systems for complex, multi-step legal workflows.
  • Build infrastructure for evaluations and benchmarking, including continuous monitoring and alerting for AI-powered features.
  • Ensure high security, reliability, and data privacy standards across all systems.
  • Collaborate closely with Product and Legal Engineering to rapidly prototype, test, and refine new AI use cases.
  • Explore new models, tools, and techniques, including AI coding agents.

Requirements

  • Deep experience integrating large language models (LLMs) via APIs.
  • Proficiency with FastAPI, Python, and common data science packages.
  • Strong understanding of software engineering and security best practices.
  • Experience with modern AI developer tools (e.g., Cursor, Claude Code, Copilot).
  • Excellent communication skills in English.
  • Entrepreneurial mindset and a deep sense of urgency in achieving goals.
  • Self-starter who enjoys autonomy but thrives in a collaborative team.
  • Pragmatic approach to problem-solving, focused on impact.
  • Ability to balance trade-offs between fast, simple solutions and long-term scalability.
  • Desire to build products that make AI truly useful for real professionals.
  • Applicants may be required to appear onsite at a Wolters Kluwer office as part of the recruitment process.
  • Candidates must participate in interviews without AI assistance.

Skills

  • LLM APIs
  • FastAPI
  • Python
  • Data science packages
  • Software engineering best practices
  • Security best practices
  • AI developer tools
  • TypeScript
  • Front-end development

Location

  • Berlin

Work Type

  • Hybrid
  • Remote
  • Work abroad flexibly (EU)

Experience Level

  • Senior

Benefits

  • Permanent employment from day one
  • Hybrid work & flexibility (up to 3 days remote)
  • Work abroad flexibly (up to 20 days/year)
  • 26 vacation days
  • 1 additional day off per year for volunteer work
  • Support for development (LinkedIn learning, online language training)

About the Company

  • Libra is transforming how legal professionals work with an AI platform combining legal reasoning and generative technology.
  • Libra became one of Europe's fastest-growing legal AI companies and joined Wolters Kluwer in late 2025.
  • Together with Wolters Kluwer, Libra is building the most powerful AI workspace for lawyers in Europe.
  • Wolters Kluwer is the global leader in legal information services.

Equal Opportunity

  • Our interview process is designed to assess individual skills, experiences, and communication style. Authenticity is valued. Use of AI-generated responses or third-party support during interviews will be grounds for disqualification.