Willis Towers Watson

Agentic AI Developer#

Willis Towers Watson
Apply
5 days ago
Mexico City, MexicoMid Level

Responsibilities

  • Design, build, test, and maintain multi-step agent workflows using ReAct, planner-executor, and tool-chaining patterns.
  • Integrate Claude and OpenAI with enterprise APIs and internal systems, including retries, edge cases, degraded states, tool calling, function orchestration, and compensating actions.
  • Implement human-in-the-loop controls such as approvals, escalations, and exception handling.
  • Collaborate with product managers, domain experts, and technical stakeholders to refine requirements and create technical designs.
  • Develop, maintain, version, and document prompt logic according to established standards.
  • Build and manage agent memory, vector-database retrieval, and RAG mechanisms.
  • Deploy AI services to production and monitor logs, traces, and metrics to identify and resolve issues.
  • Contribute to test coverage, operational runbooks, incident response, reliability, performance, and maintainability improvements.

Requirements

  • At least 2 years of experience developing backend or service-based systems using C# and/or Python.
  • At least 1 year of hands-on experience with large language models, prompt engineering, or AI-enabled systems.
  • Production experience with C#, Python, asynchronous workflows, and automated testing.
  • Experience with Azure compute, storage, identity, and deployment pipelines.
  • Experience integrating Claude and/or OpenAI APIs, including prompting, tool calling, rate limits, and error handling.
  • Experience with Azure AI Foundry and Microsoft Agent Framework; LangGraph and LangChain are optional alternatives.
  • Experience with Pinecone or an equivalent vector database, including indexing, retrieval, and relevance tuning.
  • Experience with RESTful APIs, enterprise authentication, service-to-service integration, and production observability.
  • Strong analytical, debugging, communication, learning, and adaptation skills.

Tech Stack

Willis Towers Watson

About Willis Towers Watson

10,000+ employees

At WTW (NASDAQ: WTW), we provide data-driven, insight-led solutions in the areas of people, risk and capital. Leveraging the global view and local expertise of our colleagues serving 140 countries and markets, we help you sharpen your strategy, enhance organizational resilience, motivate your workforce and maximize performance.

Contact me