Senior Software Engineer - AI (Legal), CoCounsel FDE

Thomson Reuters is hiring a Senior Software Engineer - AI (Legal) on their CoCounsel Forward Deployed Engineering team. This role involves working at the intersection of engineering and law to design and deploy bespoke legal AI solutions that support law firms and corporate legal departments.

Responsibilities:

• Participate in high-value client engagements, guiding technical discovery, scoping legal use cases, and building credibility with legal and technical stakeholders
• Translate complex legal workflows, business pain points, and client goals into intelligent solution designs, technical specifications, and implementation plans
• Design and implement AI-powered solutions for legal workflows such as contract review, litigation support, discovery automation, and regulatory analysis
• Build RAG pipelines, custom AI agents, and multi-step workflows that leverage CoCounsel, Westlaw, Practical Law, and related enterprise systems
• Lead LLM evaluation efforts for legal use cases, including benchmarking output quality, assessing hallucination risk, testing citation quality, and validating fitness for high-stakes legal work
• Ensure deployed solutions meet ethical AI, data protection, and enterprise security standards while maintaining the trust legal professionals expect
• Mentor junior engineers, contribute reusable solution assets, and evaluate emerging AI techniques to improve quality and delivery across the team

Requirements:

• JD, formal legal training, or equivalent depth of experience working within a legal practice environment
• Fluency in legal terminology and demonstrated experience working directly with lawyers, legal teams, or legal operations stakeholders
• 5+ years of software engineering experience, including at least 2 years focused on AI/ML or LLM-powered applications
• Strong proficiency in Python and experience working with AI/ML frameworks and production-grade AI systems
• Strong understanding of machine learning concepts, LLM evaluation methodologies, prompt engineering, and AI system design for domain-specific workflows
• Experience building and integrating AI solutions into production environments using APIs, scalable pipelines, and modern cloud-based tools
• Excellent communication skills and comfort working independently in ambiguous, client-facing settings with both legal and technical stakeholders