Senior Software Engineer - AI (Legal), CoCounsel FDE
About the role
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.
Responsibilities
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.
Requirements
You're a fit for the role of Senior Software Engineer - AI (Legal) if your background includes:
- 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.
Qualifications
You're a fit for the role of Senior Software Engineer - AI (Legal) if your background includes:
- 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.
Skills
You're a fit for the role of Senior Software Engineer - AI (Legal) if your background includes:
- 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
This role may also be eligible for an Annual Bonus based on a combination of enterprise and individual performance.
Pay
The base compensation range varies across locations. For any eligible US locations, the base compensation range for this role is $118,400 USD - $219,800 USD. Base pay is positioned within the range based on several factors including an individual's knowledge, skills and experience with consideration given to internal equity.
Schedule
Flexibility & Work-Life Balance: 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. This builds upon our flexible work arrangements, including work from anywhere for up to 8 weeks per year, empowering employees to achieve a better work-life balance.
Career Development and Growth: By fostering a culture of continuous learning and skill development, we prepare our talent to tackle tomorrow’s challenges and deliver real-world solutions. Our 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.
Industry Competitive Benefits: We offer comprehensive benefit plans to include flexible and supportive benefits and other wellbeing programs. This role may also be eligible for an Annual Bonus based on a combination of enterprise and individual performance.
These benefits meet or exceeds the requirements of paid time off in accordance with any applicable state or municipal laws.
Finally, Thomson Reuters offers the following additional benefits: 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; Tuition Reimbursement; and access to Employee Stock Purchase Plan.
Thomson Reuters complies with local laws that require upfront disclosure of the expected pay range for a position. The base compensation range varies across locations. For any eligible US locations, unless otherwise noted, the base compensation range for this role is $118,400 USD - $219,800 USD. Base pay is positioned within the range based on several factors including an individual’s knowledge, skills and experience with consideration given to internal equity. Base pay is one part of a comprehensive Total Reward program which also includes flexible and supportive benefits and other wellbeing programs.
This role may also be eligible for an Annual Bonus based on a combination of enterprise and individual performance.