Lead Applied Scientist, Document Understanding

Job description

New Position: This position is open due to an existing vacancy to support our evolving business needs. Lead Applied Scientist, Document Understanding About the Role: This role sits within the applied science function. You will own the design, development, and production deployment of document understanding systems that directly power Westlaw, PracticalLaw, and CoCounsel. The problems are real, the scale is large, and the expectation is shipped, reliable, measurable impact. You will work across semantic chunking, document enrichment, knowledge graph construction, and synthetic data generation for complex legal, tax, and accounting content. Multiple product teams depend on what this function delivers. About You: You hold a PhD in Computer Science, AI, NLP, or a related field, with 8+ years of post-degree industry experience taking NLP and document understanding systems from development to production at scale. You have hands-on depth across the full applied arc — model development, distillation, evaluation, and deployment. You publish, you mentor, and you measure success by what ships and performs in production. What You'll Do: Design and deploy semantic chunking models for lengthy, n...