Staff AI Platform Engineer: Architect & Leader

TRSS; Ann Arbor (MI); On-site; USD 150,000 - 230,000; Full time

Job summary

Thomson Reuters in Ann Arbor is seeking a Lead Software Engineer (Staff Engineer) to own the backend and AI orchestration systems powering CoCounsel for Audit. You will shape patterns for MCP servers, agents, novel LLM uses, and a scalable knowledge base, with tight collaboration across AI/ML, product, and infra teams.

You will lead architecture decisions, mentor engineers, and drive production-grade, auditable AI workflows across tax and accounting use cases, while maintaining a startup-like

Qualifications

• Bachelor's degree in computer science, Computer Engineering, a related field, or equivalent experience.
• 5-7+ years of experience in full-stack development, building scalable cloud-based applications, web services, APIs and AI-driven products.
• Deep Python expertise and experience with production systems using frameworks like FastAPI, relational databases (PostgreSQL or equivalent), and a major cloud provider (AWS).
• Strong background in distributed systems, data modeling, API contracts, observability, resilience patterns, and performance tuning under load.

Responsibilities

• Lead multi-quarter AI, product, and infra initiatives across AI, product, and infra.
• Mentor senior and mid-level engineers, raising the bar on system design, code quality, and AI integration practices.
• Collaborate with AI/ML engineers, researchers, designers, and PMs to translate industry improvements into reliable, user-facing workflows.
• Architect backend services (Python, FastAPI, PostgreSQL, AWS) powering generative AI agents and complex workflows.
• Design for high-throughput, low-latency AI workloads with caching, queuing, rate-limiting, and model failover.

Skills

Python

FastAPI

Distributed systems

API design

Mentoring

Team leadership

Cloud architecture

Education

Bachelor's degree in computer science or related field

Tools

FastAPI

PostgreSQL

AWS

LLM APIs integration

Job description

Thomson Reuters in Ann Arbor is seeking a Lead Software Engineer (Staff Engineer) to own the backend and AI orchestration systems powering CoCounsel for Audit. You will shape patterns for MCP servers, agents, novel LLM uses, and a scalable knowledge base, with tight collaboration across AI/ML, product, and infra teams.

You will lead architecture decisions, mentor engineers, and drive production-grade, auditable AI workflows across tax and accounting use cases, while maintaining a startup-like