[Hiring] Senior Software Engineer - AI (Legal) @Thomson Reuters

Role Description

Are you passionate about putting cutting-edge AI directly into the hands of legal professionals? Thomson Reuters is hiring a Senior Software Engineer - AI (Legal) on our CoCounsel Forward Deployed Engineering team. In this role, you will work at the intersection of engineering, law, and client impact — partnering with lawyers, AI engineers, and solution architects to discover, design, and deploy bespoke legal AI solutions. Your work will help translate complex legal workflows into trusted, production-ready AI systems that support law firms and corporate legal departments in high-stakes moments.

In this opportunity as Senior Software Engineer - AI (Legal), you will:

• 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.

Qualifications

• 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.

Benefits

• Flexibility & Work-Life Balance: Supportive workplace policies designed to help manage personal and professional responsibilities, including work from anywhere for up to 8 weeks per year.
• Career Development and Growth: Culture of continuous learning and skill development with tools and knowledge to grow, lead, and thrive in an AI-enabled future.
• Industry Competitive Benefits: Comprehensive benefit plans including flexible vacation, mental health days, retirement savings, tuition reimbursement, and resources for wellbeing.
• Culture: Award-winning reputation for inclusion and belonging, flexibility, and work-life balance.
• Social Impact: Opportunities for employees to get involved with pro-bono consulting projects and ESG initiatives.
• Making a Real-World Impact: Helping customers pursue justice, truth, and transparency.
• Comprehensive benefits package including health, dental, vision, disability, life insurance, 401k plan with company match, and various paid time off policies.