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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.