# Principal Software Engineer / Architect – AI, CoCounsel Forward Deployed Engineering (FDE)

**Company**: Thomson Reuters
**Work arrangement**: hybrid
**Experience**: senior
**Job type**: full-time
**Salary**: $183,100 USD - $340,000 USD
**Category**: Engineering
**Industry**: Technology

**Apply**: https://thomsonreuters.wd5.myworkdayjobs.com/en-US/External_Career_Site/job/United-States-of-America-New-York-New-York/Principal-Software-Engineer---Architect---AI--CoCounsel-FDE_JREQ203837-7?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/jobs/job_de42eef0-e87

## Description

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 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.

**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 product and engineering teams.

- Evaluate new technologies and approaches that improve AI delivery, reliability, scalability, and customer outcomes.

- Communicate complex technical decisions clearly to engineering teams, product leaders, executives, and customer stakeholders.

- Serve as a senior technical representative for Thomson Reuters in high-impact customer engagements.

**Required Qualifications**

- 12+ years of software engineering experience, including significant technical leadership at the Principal, Architect, or highest individual-contributor level.

- Deep experience designing and delivering complex production software systems.

- Strong hands-on software engineering skills with recent experience personally writing and reviewing production code.

- Significant experience with AI/ML, Generative AI, or LLM-powered systems in production environments.

- Experience architecting and delivering AI solutions that integrate with enterprise or customer-owned infrastructure.

- Strong understanding of distributed systems, APIs, system integration, cloud architecture, scalability, reliability, and production operations.

- Demonstrated experience leading highly complex technical initiatives or customer engagements end-to-end.

- Ability to translate customer-specific technical work into reusable, scalable product capabilities.

- Experience providing technical guidance and mentorship to Senior and Staff-level engineers.

- Strong judgment around architecture, technical tradeoffs, security, reliability, and production deployment.

- Excellent communication skills with the ability to work effectively with engineers, product teams, executives, and customer stakeholders.

**Preferred Qualifications**

- Experience building or deploying LLM, agentic AI, RAG/retrieval, or other Generative AI systems in production.

- Experience in Forward Deployed Engineering, customer engineering, solutions engineering, or another deeply technical customer-facing engineering environment.

- Experience working with enterprise customers and complex customer-owned infrastructure.

- Experience operating within legal technology, financial services, professional services, or other highly regulated environments.

- Familiarity with security, privacy, governance, or fiduciary-grade requirements associated with enterprise AI deployments.

- Demonstrated technical presence through open-source contributions, technical publications, conference presentations, patents, industry leadership, or equivalent technical recognition.

- Experience influencing product strategy based on direct customer and field experience.

**What's in it For You?**

- Hybrid Work Model: flexible hybrid working environment for office-based roles.

- Flexibility & Work-Life Balance: supportive workplace policies, including work from anywhere for up to 8 weeks per year.

- Career Development and Growth: culture of continuous learning and skill development.

- Industry Competitive Benefits: comprehensive benefit plans, including flexible vacation, two company-wide Mental Health Days off, access to the Headspace app, retirement savings, tuition reimbursement, employee incentive programs, and resources for mental, physical, and financial wellbeing.

- Culture: globally recognized, award-winning reputation for inclusion and belonging, flexibility, work-life balance, and more.

- Social Impact: opportunities to make an impact in the community, including two paid volunteer days off annually.

- Making a Real-World Impact: helping customers pursue justice, truth, and transparency.

## Skills

### Required
- AI/ML
- Generative AI
- LLM-powered systems
- distributed systems
- APIs
- cloud architecture
- scalability
- reliability
- production operations

### Nice to have
- LLM
- agentic AI
- RAG/retrieval
- Generative AI systems
- Forward Deployed Engineering
- customer engineering
- solutions engineering

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Source: [Apply at thomsonreuters.wd5.myworkdayjobs.com](https://thomsonreuters.wd5.myworkdayjobs.com/en-US/External_Career_Site/job/United-States-of-America-New-York-New-York/Principal-Software-Engineer---Architect---AI--CoCounsel-FDE_JREQ203837-7?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)