Software Engineer - AI

New Position:
This position is open due to an existing vacancy to support our evolving business needs.

Thomson Reuters is seeking a Staff Software 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.

As a Staff Software Engineer, AI you will:

• 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/Open Telemetry).
• 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.

You are a potential fit for Staff Software Engineer, AI if your background includes:

• 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
  :
  Rabbit
  
  MQ, Postgre
  
  SQL, Kubernetes.
• Security & Compliance
  : PII handling, data residency, auditability, threat modeling basics.
• Testing & Quality
  :
  Unit/integration/contract tests, load tests, CI/CD (Azure Dev Ops/Git Hub).

• 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.

#LI-MW1

• 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…