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From the employer's careers site First seen 27 Oct 2026

Lead Software Engineer AI (Staff Engineer AI)

Thomson Reuters Hybrid senior full-time

Salary

$118,400 USD - $219,800 USD per year

Apply on Thomson Reuters

Description

We are looking for a Lead Software Engineer AI (Staff Engineer) to join the CoCounsel team at Thomson Reuters. As a Lead Software Engineer AI, you will be responsible for providing technical direction and delivery of our market-leading Litigation Drafting products in CoCounsel Legal.

You will be working with the Engineering Manager to facilitate our full-stack team in delivering groundbreaking Agentic Legal software. Your responsibilities will include:

  • Building and architecting AI Agentic driven systems using Python, FastAPI, and PostgreSQL to support real-time AI agentic interactions
  • Leading technical strategy, experimentation, testing, rollout practices, and operational excellence
  • Defining service boundaries, system interfaces, and scalable design patterns that form the architectural foundation of our AI platform
  • Supporting front-end engineers to deliver a complex Agentic UI which uses SSE and AG-UI along with Claude Agent SDK and AgentCore at runtime
  • Driving innovation and technical strategy, including evaluating and adopting cutting-edge AI techniques
  • Providing senior technical leadership, mentoring senior and junior software engineers, and translating business requirements into scalable technical specifications
  • Ensuring quality, security, and operational excellence, including designing and implementing testing, monitoring, and observability for AI systems at scale

The ideal candidate will have:

  • 7+ years of software engineering experience, including 2+ years in technical leadership roles and 3+ years building scalable cloud applications, APIs, and AI-enabled products
  • Strong proficiency in Python, FastAPI, PostgreSQL, and AWS or Azure cloud services
  • Experience with distributed systems, architecture, and data modeling
  • Strong leadership and mentoring experience, with excellent strategic thinking and problem-solving skills

In terms of benefits, we offer a hybrid work model, flexible work arrangements, and a comprehensive benefits package, including market-competitive health, dental, vision, disability, and life insurance programs, as well as a competitive 401k plan with company match.

The base compensation range for this role is $118,400 USD - $219,800 USD.

Skills

Nice to have

  • vector databases
  • embeddings
  • semantic search
  • information retrieval
  • AG-UI protocol
  • SSE events
  • Datadog
  • CloudWatch Log Insights
  • Braintrust
Apply on Thomson Reuters