Principal Software Engineer / Architect – AI, CoCounsel FDE

About this role

Job Description

Are you a Principal-level software engineer who enjoys solving complex customer problems while remaining deeply hands-on with technology?

Thomson Reuters is looking for a Principal Software Engineer / Architect – AI, CoCounsel Forward Deployed Engineering (FDE) to help design, build, and deliver production AI solutions for some of our most complex customer environments.

This is a highly technical, hands-on individual contributor role. You will work directly with customers, product teams, and engineers to understand difficult business and technical problems, architect solutions, and personally contribute production code. You will also help translate what we learn from customer engagements into scalable capabilities that strengthen the broader CoCounsel product.

We are looking for someone who combines Principal-level architecture and technical leadership with strong hands-on engineering skills. This is not an architecture-only or advisory role.

Key Responsibilities

• Lead highly complex technical and customer engagements from discovery through production delivery.
• Architect, build, and deploy production AI solutions within customer and enterprise environments.
• Write production code regularly and review the work of Senior, Staff, and Forward Deployed Engineers.
• Provide technical direction across complex AI, software architecture, integration, security, and deployment decisions.
• Work directly with customers to understand their technical environments, constraints, and business needs.
• Partner closely with Product and Engineering to translate customer learnings into scalable product capabilities.
• Identify patterns across client engagements and recommend improvements to the core CoCounsel platform.
• Guide engineers through complex technical challenges through hands-on development, architecture reviews, mentoring, and technical leadership.
• Influence technical strategy across Forward Deployed Engineering and related pro...