Staff Software Engineer, AI Product Engineering

TRSS; New York (NY); Hybrid; USD 180,000 - 240,000; Full time

Job summary

Thomson Reuters is seeking a Staff Software Engineer, AI Product Engineering, to shape and build the next generation of AI-powered software for tax and accounting professionals. You will join the CoCounsel for Tax & Accounting organization in a fast-moving, product-focused environment that blends startup ownership with the scale of Thomson Reuters.

This hybrid role involves greenfield 0→1 development, owning architecture, and guiding other engineers from prototype to production.

Qualifications

• Hands-on staff-level engineering experience.
• Experience with greenfield and 0→1 product development.
• Ability to take ambiguous problems from discovery to production.
• Experience building backend services.
• Experience with cloud platforms (AWS).

Responsibilities

• Own greenfield and 0→1 AI systems from discovery to production.
• Design and build production backend services using Python, FastAPI, PostgreSQL, and AWS.
• Build and evolve AI-native applications with LLMs, agents, orchestration, retrieval, tool function calling, and real-time AI workflows.
• Integrate models and services from providers such as OpenAI, Anthropic, and other foundation-model platforms.
• Design scalable APIs and data models with asynchronous workflows.

Skills

Greenfield development

Architecture design

System design

Technical leadership

Tools

Python

FastAPI

PostgreSQL

AWS

Job description

Thomson Reuters is looking for a Staff Software Engineer, AI Product Engineering to help shape and build the next generation of AI-powered software for tax and accounting professionals. You will join the CoCounsel for Tax & Accounting organization, working in a fast-moving, product-focused environment that combines startup-style ownership with the scale and resources of Thomson Reuters.

This is a highly hands-on Staff-level engineering role for someone who thrives in greenfield and 0→1 product development. You will be expected to take ambiguous product and technical problems, define the right architecture, build critical parts of the solution yourself, and help guide other engineers from prototype through production.

This is a hybrid role, with opportunities based in New York City, Minneapolis-St. Paul, or Toronto. Candidates should be comfortable working onsite as part of the team's hybrid schedule. Final interviews may also be conducted onsite at the hiring hub associated with the candidate's location.

About the Role

As a Staff Software Engineer, AI Product Engineering, you will:

• Own greenfield and 0→1 AI systems, taking ambiguous product problems from technical discovery and architecture through implementation, production launch, monitoring, and iteration.
• Design and build production backend services using Python, FastAPI, PostgreSQL, and AWS.
• Build and evolve AI-native applications incorporating large language models, AI agents, orchestration, retrieval, tool/function calling, and real-time AI workflows.
• Integrate models and services from providers such as OpenAI, Anthropic, and other foundation-model platforms.
• Design scalable APIs, data models, asynchronous workflows