Senior Software Engineer - AI (Legal), CoCounsel FDE

Thomson Reuters•Frisco, TX

2d•$118,400 - $219,800•Remote

About The Position

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.

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.

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.

Benefits

Flex My Way is a set of supportive workplace policies designed to help manage personal and professional responsibilities, whether caring for family, giving back to the community, or finding time to refresh and reset.
Flexible work arrangements, including work from anywhere for up to 8 weeks per year.
Grow My Way programming and skills-first approach ensures you have the tools and knowledge to grow, lead, and thrive in an AI-enabled future.
Flexible vacation
Two company-wide Mental Health Days off
Access to the Headspace app
Retirement savings
Tuition reimbursement
Employee incentive programs
Resources for mental, physical, and financial wellbeing.
Globally recognized, award-winning reputation for inclusion and belonging, flexibility, work-life balance, and more.
Two paid volunteer days off annually and opportunities to get involved with pro-bono consulting projects and Environmental, Social, and Governance (ESG) initiatives.
Market competitive health, dental, vision, disability, and life insurance programs.
Competitive 401k plan with company match.
Competitive vacation, sick and safe paid time off.
Paid holidays (including two company mental health days off).
Parental leave
Sabbatical leave.
Optional hospital, accident and sickness insurance paid 100% by the employee.
Optional life and AD&D insurance paid 100% by the employee.
Flexible Spending and Health Savings Accounts.
Fitness reimbursement.
Access to Employee Assistance Program.
Group Legal Identity Theft Protection benefit paid 100% by employee.
Access to 529 Plan.
Commuter benefits.
Adoption & Surrogacy Assistance.
Access to Employee Stock Purchase Plan.