Principal AI Platform Engineer – LegalTech

Thomson Reuters; Frisco (TX); Hybrid; USD 130,000 - 160,000; Full time

Benefits offered by this job

Flexibility & work-life balance

Continuous learning opportunities

Mental health resources

Job summary

Thomson Reuters is seeking a Principal Software Engineer to set the technical direction for its AI-powered legal platform, CoCounsel. The role involves defining building patterns for MCP servers and working with large-scale data and AI systems.

The ideal candidate will have deep expertise in Python and experience in AI and large complex software projects. This position supports a hybrid work model, balancing in-office and remote work, and fosters a commitment to a diverse, inclusive work culture.

Qualifications

• Bachelor’s Degree in Computer Science, Computer Engineering, or equivalent experience.
• Demonstrated experience building with AI – LLMs, agents, and retrieval.
• Proven track record owning large, complex projects end-to-end.

Responsibilities

• Participate in shaping the company's AI platform and patterns.
• Work at real production scale with millions of documents.
• Lead initiatives across AI, product, and infrastructure.

Skills

Python expertise

AI and LLMs experience

Distributed systems knowledge

Identity and access management

Collaboration with cross-functional teams

Education

Bachelor’s Degree in Computer Science or related field

Tools

FastAPI

PostgreSQL

AWS

Job description

Thomson Reuters is seeking a Principal Software Engineer to set the technical direction for its AI-powered legal platform, CoCounsel. The role involves defining building patterns for MCP servers and working with large-scale data and AI systems.

The ideal candidate will have deep expertise in Python and experience in AI and large complex software projects. This position supports a hybrid work model, balancing in-office and remote work, and fosters a commitment to a diverse, inclusive work culture.