Senior Software Engineer - Legal AI Systems

Thomson Reuters Corp.; Frisco (TX); Hybrid; USD 95,000 - 176,000; Full time

Benefits offered by this job

Hybrid Work Model

Career Development

Health benefits

Mental Health Days

Tuition Reimbursement

Job summary

Thomson Reuters is seeking a Senior Software Engineer (Legal) on the CoCounsel Forward Deployed Engineering team. You will design, build, and deploy bespoke AI solutions for law firms and corporate legal departments, turning architectural direction into robust, production-ready systems.

You will work with AI engineers and cross-functional partners to deliver high‑impact solutions that shape how legal work gets done, while mentoring junior engineers and embracing Agile/Scrum practices in a hybrid

Qualifications

• JD or formal legal training, or equivalent depth of experience in a legal practice environment.
• 5+ years of software engineering experience, with proficiency in Python.
• Strong understanding of AI/LLM evaluation methodologies and prompt engineering.
• Excellent communication skills to engage with lawyers and engineers on complex concepts.
• Ability to work independently, navigate ambiguity, and mentor others using Agile/Scrum.

Responsibilities

• Act as the interface between legal professionals and the engineering team to interpret needs and deliver solutions.
• Collaborate with cross‑functional teams to translate requirements into actionable work and stay current with AI tools and legal tech trends.
• Develop software following the SDLC, writing clean, secure code and managing technical debt with DevOps practices and TDD.
• Evaluate nondeterministic AI outputs for legal accuracy and reliability, optimizing prompts in collaboration with product teams.
• Mentor junior engineers through code reviews, coaching, and training on modern technologies.
• Deliver end‑to‑end technical solutions for complex legal projects, using Agile/Scrum methodologies.

Skills

Python

AI/LLM evaluation

Prompt engineering

Communication

Agile/Scrum

Mentoring

DevOps

Infrastructure as Code

Unit testing

Education

JD or legal training

Job description

Thomson Reuters is seeking a Senior Software Engineer (Legal) on the CoCounsel Forward Deployed Engineering team. You will design, build, and deploy bespoke AI solutions for law firms and corporate legal departments, turning architectural direction into robust, production-ready systems.

You will work with AI engineers and cross-functional partners to deliver high‑impact solutions that shape how legal work gets done, while mentoring junior engineers and embracing Agile/Scrum practices in a hybrid