Staff Software Engineer – AI Platform

Thomson Reuters

is building the AI platform that will power the next decade of tax, accounting and audit products, including CoCounsel Audit, a suite of AI-native products used by accountants on real client work every day. As a Lead Software Engineer (Staff Engineer), you will own core backend and AI orchestration systems that turn frontier models into reliable, production-grade workflows at scale. This role is for the CoCounsel for Audit team, formed from the recent acquisition of the startup Materia.

About The Role You will be a Lead Software Engineer (Staff Engineer) responsible for the backend and orchestration layer powering AI agents, conversations, workspaces, and knowledge base across CoCounsel for Audit.

Shape the team's AI platform and patterns: Define patterns for building MCP servers, designing agents, novel uses of LLMs, experimentation, and scalable infrastructure. Your decisions will influence your product area and adjacent teams, not just a si...