AI Engineer

At Lexroom.ai http://Lexroom.ai, we set the bar for legal AI—clear, fast, and built for trust.

In just a few years, what began as an idea has become a reliable platform adopted by thousands of legal professionals across Europe.

Our mission is clear: make the law faster, clearer, and more reliable, giving lawyers, law firms, and companies the time and confidence to focus on what truly matters.

We’re growing fast, backed by top-tier investors and a world-class team committed to rigor, clarity, and impact.

Today, Lexroom is a trusted partner, shaping the evolution of legal AI with the same rigor and precision that define our product.

WHY LEXROOM.AI http://Lexroom.ai?

• Shape the Standard: Be part of the team setting the benchmark for legal AI in Europe.

• Work with the Best: Collaborate with exceptional minds driven by competence, curiosity, and ambition.

• Deliver Meaningful Results: Your contribution will empower legal professionals to make faster, clearer, and more reliable decisions worldwide.

At Lexroom.ai http://Lexroom.ai, we leave buzzwords behind. Here, you’ll build something that lasts: a trusted platform, a strong reputation, a new standard for the legal world.

What You'll DO

• Design and build agent-driven and RAG-based AI systems to solve complex legal tasks with precision and efficiency.

• Fine-tune and post-train LLMs using cutting-edge supervised and reinforcement learning techniques to raise response quality.

• Develop and optimize large-scale search pipelines for LLM-powered agents.

• Implement and refine NLP algorithms to extract, structure, and validate information from legal documents.

• Run end-to-end evaluations to pinpoint bottlenecks, measure performance, and guide continuous improvements.

• Work closely with legal experts to design evaluation protocols and build reliable, domain-specific datasets that strengthen every layer of the stack.

• Maintain technical excellence by following established best practices, coding standards, and rigorous code-review processes.

What You’ll Bring

• Proven expertise in building and managing robust ML pipelines.

• Strong Python skills with hands-on experience in LLM research and deep learning systems.

• Knowledge of search technologies such as full-text search, vector databases, or other large-scale retrieval systems.

• Collaborative mindset and readiness to work with legal experts, researchers, and engineers to keep improving the product.

• Familiarity with MLOps and integrating ML models into production backends (a strong plus).

• Up-to-date with LLM innovation, ideally with experience in pre-training or deploying large-scale models in real-world scenarios.

• WHAT SETS US APART

• An Exceptional Team.

• At Lexroom.ai http://Lexroom.ai, you’ll work alongside top talent in tech and legal AI.

• Our focused teams operate with purpose and autonomy, so every contribution delivers visible results.

• You’ll collaborate with people who pair innovation with rigor, curiosity with discipline, ambition with depth.

• Growth that Matters.

• We hire exceptional people to make a difference—and we give them space to lead.

• As we scale, your work will shape the future of legal technology and set new standards for the field.

• Impact is defined by vision and execution, not by age or title. If you’re ready to take responsibility, you’ll find real opportunities to grow and lead high-stakes projects.

• Rewarding Your Contribution.

• We value excellence and share success:

• Annual Salary Range: €45,000 – €100,000

• Equity Package: Align your growth with the company’s long-term success.

Benefits That Matter

• Hybrid Work: Flexibility to balance remote work with in-person collaboration at our Milan HQ.

• Health Coverage: Comprehensive insurance to keep you secure and focused.

• Meal Vouchers: Daily support for your lunch breaks.

• Performance Bonuses: Rewards directly tied to measurable results.

• Team Retreats & Off-sites: Dedicated time to connect, collaborate, and spark bold ideas.

• **At Lexroom.ai http://Lexroom.ai, ambition meets discipline and purpose.

• We’re not just building a product—we’re setting a new standard for the legal world. If you’re ready to contribute to something lasting and meaningful, we’d love to hear from you.**