Staff Software Engineer - AI I

Thomson Reuters • Eagan, MN

2d • Hybrid

About The Position

Thomson Reuters is seeking a Staff Sotware Engineer, AI to lead the design and delivery of AI-powered applications using .NET, Azure AI Services, and Azure OpenAI, leveraging Retrieval-Augmented Generation (RAG) and Semantic Kernel for agentic orchestration. Own end-to-end solution quality (performance, security, reliability) and mentor engineers across teams. About the Role As a Staff Software Engineer, AI you will: Key Responsibilities Architect and build .NET services and APIs integrating Azure OpenAI and Azure AI Services. Design and implement RAG pipelines using Azure AI Search for hybrid retrieval and grounding. Build agentic workflows with tool/function calling, planning, memory, and safe execution boundaries. Develop Semantic Kernel plugins/skills; configure planners, connectors, and memory stores. Implement observability for AI systems (cost, latency, token usage, quality metrics; App Insights/OpenTelemetry). Partner with product, security, and data teams to align solutions with compliance and business outcomes. Mentor engineers; lead design reviews, write RFCs, and drive engineering excellence. About You You are a potential fit for Staff Software Engineer, AI if your background includes:

Requirements

• C#/.NET 7/8/9: Advanced async, streaming, DI, clean architecture, performance tuning.
• ASP.NET Core: REST APIs, authentication/authorization (OAuth2/OIDC/JWT), caching, resiliency.
• Azure AI Services: Azure OpenAI: GPT models, embeddings, function calling, streaming responses, cost optimization. Azure AI Search: Indexing, hybrid search (BM25 + vectors), skillsets, enrichers, re-ranking. Azure AI Foundry: Prompt flow orchestration, evaluation pipelines.
• RAG: Chunking strategies, metadata enrichment, hybrid retrieval, citation fidelity.
• Agentic AI: Multi-tool orchestration, planners, memory, error recovery, guardrails.
• Semantic Kernel (C#): Kernels, semantic/native skills, connectors, planners, memory stores.
• Infrastructure: RabbitMQ, PostgreSQL, Kubernetes
• Security & Compliance: PII handling, data residency, auditability, threat modeling basics.
• Testing & Quality: Unit/integration/contract tests, load tests, CI/CD (Azure DevOps/GitHub).

Nice To Haves

• Azure Cognitive Services: Document Intelligence, Speech, Vision for multimodal AI.
• Azure AI Search advanced: Custom scoring profiles, multi-source ingestion (SharePoint, Blob).
• Observability for AI quality: hallucination detection, RAG evaluation (RAGAS/rubrics).
• Front-end integration: Blazor/Angular for streaming UX.
• Knowledge graphs: Neo4j/RDF for advanced retrieval.

Responsibilities

• Architect and build .NET services and APIs integrating Azure OpenAI and Azure AI Services.
• Design and implement RAG pipelines using Azure AI Search for hybrid retrieval and grounding.
• Build agentic workflows with tool/function calling, planning, memory, and safe execution boundaries.
• Develop Semantic Kernel plugins/skills; configure planners, connectors, and memory stores.
• Implement observability for AI systems (cost, latency, token usage, quality metrics; App Insights/OpenTelemetry).
• Partner with product, security, and data teams to align solutions with compliance and business outcomes.
• Mentor engineers; lead design reviews, write RFCs, and drive engineering excellence.

Benefits

• Hybrid Work Model: We’ve adopted a flexible hybrid working environment (2-3 days a week in the office depending on the role) for our office-based roles while delivering a seamless experience that is digitally and physically connected.
• Flexibility & Work-Life Balance: Flex My Way is a set of supportive workplace policies designed to help manage personal and professional responsibilities, whether caring for family, giving back to the community, or finding time to refresh and reset. This builds upon our flexible work arrangements, including work from anywhere for up to 8 weeks per year, empowering employees to achieve a better work-life balance.
• Career Development and Growth: By fostering a culture of continuous learning and skill development, we prepare our talent to tackle tomorrow’s challenges and deliver real-world solutions. Our Grow My Way programming and skills-first approach ensures you have the tools and knowledge to grow, lead, and thrive in an AI-enabled future.
• Industry Competitive Benefits: We offer comprehensive benefit plans to include 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. We live by our values: Obsess over our Customers, Compete to Win, Challenge (Y)our Thinking, Act Fast / Learn Fast, and Stronger Together.
• Social Impact: Make an impact in your community with our Social Impact Institute. We offer employees two paid volunteer days off annually and opportunities to get involved with pro-bono consulting projects and Environmental, Social, and Governance (ESG) initiatives.
• Making a Real-World Impact: We are one of the few companies globally that helps its customers pursue justice, truth, and transparency.
• comprehensive benefits package to our employees. Our benefit package includes market competitive health, dental, vision, disability, and life insurance programs, as well as a competitive 401k plan with company match. In addition, Thomson Reuters offers market leading work life benefits with competitive vacation, sick and safe paid time off, paid holidays (including two company mental health days off), parental leave, sabbatical leave.
• optional hospital, accident and sickness insurance paid 100% by the employee; optional life and AD&D insurance paid 100% by the employee; Flexible Spending and Health Savings Accounts; fitness reimbursement; access to Employee Assistance Program; Group Legal Identity Theft Protection benefit paid 100% by employee; access to 529 Plan; commuter benefits; Adoption & Surrogacy Assistance; Tuition Reimbursement; and access to Employee Stock Purchase Plan.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed