machine learning engineer for legal AI

Libra develops an AI platform for legal professionals that combines legal reasoning and generative technology to help lawyers research, draft, and deliver legal work. Wolters Kluwer provides authoritative legal content and global legal information services, supporting the development of localized AI workspaces for lawyers across Europe.

• Design, implement, and maintain AI-driven product features end-to-end using LLM APIs;
• Develop visible 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 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 like Cursor and Claude Code;
• Contribute to a pragmatic, execution-focused engineering culture where simplicity and speed matter.

• Deep experience building products that integrate large language models 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 such as Cursor, Claude Code, or Copilot;
• Excellent communication skills in English;
• An entrepreneurial mindset and a strong sense of urgency;
• Ability to work autonomously and collaboratively;
• A pragmatic, impact-focused approach to problem-solving;
• Ability to balance fast, simple solutions with long-term scalability;
• Nice to have: TypeScript and front-end development experience, German fluency.

• Permanent employment from day one;
• Remote work for up to 3 days per week, with 8 days per month in the office and flexible working hours;
• Work from anywhere within the EU for up to 20 days within a twelve-month period;
• 26 Vacation days;
• 1 Additional day off per year for volunteer work;
• E-learning via LinkedIn, online language training with goFluent, and other training and development opportunities;
• Applicants may be required to appear onsite at a Wolters Kluwer office as part of the recruitment process.