
Senior Software Engineer - AI, CoCounsel FDE
Thomson Reuters4 days ago
Base Salary
$110k - $204k/yr
Responsibilities
- Design and implement AI-powered solutions tailored to legal workflows such as contract review, litigation support, discovery automation, and regulatory analysis.
- Build scalable, secure, maintainable AI systems including RAG pipelines, custom agents, and enterprise integrations within established architectural frameworks.
- Develop and configure multi-step agentic workflows using CoCounsel, Westlaw, Practical Law, third-party AI APIs, and enterprise systems.
- Implement observability, evaluation, monitoring, tracing, benchmarking, and red-teaming protocols for production AI systems.
- Conduct technical discovery with clients and legal stakeholders and translate legal workflows and business goals into engineering plans and prototypes.
- Collaborate with AI architects, legal AI engineers, and cross-functional peers to deliver solutions and reusable engineering assets.
- Evaluate emerging AI techniques, interoperability standards, and prompt engineering approaches.
Requirements
- 5+ years of software engineering experience with a strong foundation in system design, distributed systems, and clean architecture.
- At least 2 years of hands-on experience building and deploying AI/ML or LLM-powered applications in production.
- Strong proficiency in Python and backend engineering, including experience building APIs, asynchronous services, and event-driven systems.
- Experience with orchestration frameworks such as LangChain, LangGraph, PydanticAI, or AutoGen, plus understanding of RAG architectures and vector databases.
- Experience with AWS, Azure, or GCP and familiarity with infrastructure as code, CI/CD practices, and secure API development.
- Experience with observability and AI evaluation tools such as Datadog, Grafana, Prometheus, LangSmith, Langfuse, Braintrust, or Weights & Biases.
- Strong communication skills and the ability to work independently in ambiguous, client-facing environments with legal professionals and non-technical stakeholders.
Benefits
- Flexible work arrangements, including work from anywhere for up to 8 weeks per year.
- Flexible vacation, two company-wide Mental Health Days, Headspace access, retirement savings, tuition reimbursement, incentive programs, and wellbeing resources.
- Comprehensive US benefits including health, dental, vision, disability, and life insurance, 401(k) with company match, paid holidays, parental leave, sabbatical leave, and paid time off.
- Additional benefits include fitness reimbursement, Employee Assistance Program, Flexible Spending and Health Savings Accounts, 529 Plan access, commuter benefits, adoption and surrogacy assistance, and Employee Stock Purchase Plan access.
- Two paid volunteer days annually and opportunities for pro-bono consulting and ESG initiatives.
- The job posting will close on 10/02/2026.
Tech Stack
Categories
Forward Deployed
About Thomson Reuters
Thomson Reuters (TSX/NDAQ: TRI) informs the way forward by bringing together the trusted content and technology that people and organizations need to make the right decisions. We serve professionals across legal, tax, accounting, compliance, government, and media. Our products combine highly specialized software and insights to empower professionals with the data, intelligence, and solutions needed to make informed decisions, and to help institutions in their pursuit of justice, truth, and transparency. Reuters, part of Thomson Reuters, is a world leading provider of trusted journalism and news. For more information on Thomson Reuters, visit tr.com and for the latest world news, reuters.com.