Staff Software Engineer / Architect - AI, CoCounsel FDE

Thomson Reuters•Frisco, TX

About The Position

Are you a hands-on technical leader who wants to shape how the world's top law firms and corporate legal departments adopt AI? Thomson Reuters is hiring a Staff Software Engineer / Architect - AI on our CoCounsel Forward Deployed Engineering (FDE) team. In this role, you will lead the architecture and delivery of bespoke, production-grade AI solutions that help legal professionals solve complex, high-stakes workflows with trust, speed, and accuracy. Working closely with AI Solution Engineers, legal domain experts, and cross-functional partners, you will define how we build AI-native systems for some of the most sophisticated legal customers in the world. About the Role In this opportunity as Staff Software Engineer / Architect - AI , you will: Lead the end-to-end architecture, design, and delivery of AI-powered solutions for law firms and corporate legal departments, from concept through production deployment. Review and guide system design, architecture, and code produced by AI Solution Engineers to ensure quality, scalability, security, and maintainability across engagements. Build sophisticated legal AI solutions, including RAG pipelines, multi-agent workflows, event-driven services, and enterprise integrations tailored to legal use cases such as contract review, litigation support, discovery, and regulatory analysis. Drive AI-native engineering practices across the team by embedding AI into development workflows, tooling, delivery processes, and technical standards. Establish observability, evaluation, and trust frameworks for production AI systems, including monitoring, logging, tracing, model evaluation, and quality benchmarking. Lead technical discovery with clients and legal stakeholders, translating legal workflows, business goals, and domain expertise into scalable technical architectures and solution plans. Mentor engineers and partner with product, engineering, and legal experts to advance reusable solution patterns, accelerate delivery, and bring emerging AI capabilities into the team. About You You're a fit for the role of Staff Software Engineer / Architect - AI if your background includes: 7+ years of software engineering experience with deep expertise in system design, distributed systems, scalable architecture, and technical leadership. Hands-on experience building and deploying AI/ML or LLM-powered applications in production, including strong knowledge of RAG architectures, orchestration frameworks, and evaluation practices. Expert-level proficiency in Python and modern backend engineering, with experience designing RESTful APIs, async systems, and event-driven architectures. Experience with cloud platforms such as AWS, Azure, or GCP, along with Infrastructure as Code and CI/CD practices for secure, scalable deployments. Strong understanding of AI interoperability and agentic systems, including MCP, Agent-to-Agent workflows, third-party integrations, and tool-augmented architectures. Experience with observability, monitoring, and AI quality tooling such as Datadog, Grafana, Prometheus, LangSmith, Langfuse, Braintrust, or similar platforms. Excellent communication and stakeholder management skills, with the ability to engage credibly with engineers, legal professionals, and business leaders in ambiguous, high-impact environments.

Requirements

7+ years of software engineering experience with deep expertise in system design, distributed systems, scalable architecture, and technical leadership.
Hands-on experience building and deploying AI/ML or LLM-powered applications in production, including strong knowledge of RAG architectures, orchestration frameworks, and evaluation practices.
Expert-level proficiency in Python and modern backend engineering, with experience designing RESTful APIs, async systems, and event-driven architectures.
Experience with cloud platforms such as AWS, Azure, or GCP, along with Infrastructure as Code and CI/CD practices for secure, scalable deployments.
Strong understanding of AI interoperability and agentic systems, including MCP, Agent-to-Agent workflows, third-party integrations, and tool-augmented architectures.
Experience with observability, monitoring, and AI quality tooling such as Datadog, Grafana, Prometheus, LangSmith, Langfuse, Braintrust, or similar platforms.
Excellent communication and stakeholder management skills, with the ability to engage credibly with engineers, legal professionals, and business leaders in ambiguous, high-impact environments.

Responsibilities

Lead the end-to-end architecture, design, and delivery of AI-powered solutions for law firms and corporate legal departments, from concept through production deployment.
Review and guide system design, architecture, and code produced by AI Solution Engineers to ensure quality, scalability, security, and maintainability across engagements.
Build sophisticated legal AI solutions, including RAG pipelines, multi-agent workflows, event-driven services, and enterprise integrations tailored to legal use cases such as contract review, litigation support, discovery, and regulatory analysis.
Drive AI-native engineering practices across the team by embedding AI into development workflows, tooling, delivery processes, and technical standards.
Establish observability, evaluation, and trust frameworks for production AI systems, including monitoring, logging, tracing, model evaluation, and quality benchmarking.
Lead technical discovery with clients and legal stakeholders, translating legal workflows, business goals, and domain expertise into scalable technical architectures and solution plans.
Mentor engineers and partner with product, engineering, and legal experts to advance reusable solution patterns, accelerate delivery, and bring emerging AI capabilities into the team.

Benefits

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 vacation, two company-wide Mental Health Days off, access to the Headspace app, retirement savings, tuition reimbursement, employee incentive programs, and resources for mental, physical, and financial wellbeing.
Culture: Globally recognized, award-winning reputation for inclusion and belonging, flexibility, work-life balance, and more. We live by our values: Obsess over our Customers, Compete to Win, Challenge (Y)our Thinking, Act Fast / Learn Fast, and Stronger Together.
Social Impact: Make an impact in your community with our Social Impact Institute. We offer employees two paid volunteer days off annually and opportunities to get involved with pro-bono consulting projects and Environmental, Social, and Governance (ESG) initiatives.
Making a Real-World Impact: We are one of the few companies globally that helps its customers pursue justice, truth, and transparency. Together, with the professionals and institutions we serve, we help uphold the rule of law, turn the wheels of commerce, catch bad actors, report the facts, and provide trusted, unbiased information to people all over the world.
In the United States, Thomson Reuters offers a comprehensive benefits package to our employees. Our benefit package includes market competitive health, dental, vision, disability, and life insurance programs, as well as a competitive 401k plan with company match. In addition, Thomson Reuters offers market leading work life benefits with competitive vacation, sick and safe paid time off, paid holidays (including two company mental health days off), parental leave, sabbatical leave. 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.

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