Agentic AI Developer#

The role operates within established architectural direction and is accountable for delivering reliable, maintainable, and production ready solutions that meet business, security, and compliance requirements.

The role

Design, build, and test multi‑step agent workflows using established patterns such as ReAct, planner‑executor, and tool‑chaining Integrate LLMs (i.e. Claude and OpenAI) with enterprise APIs and internal systems, including robust handling of retries, edge cases, and degraded states Implement tool calling, function orchestration, and compensating actions to ensure workflows remain stable under failure conditions Design and implement human‑in‑the‑loop controls, including approvals, escalations, and exception handling where required by business logic or risk considerations Collaborate with product managers, domain experts, and technical stakeholders to refine requirements and translate them into technical designs Develop, maintain, and version prompt logic and supporting documentation in line with agreed standards Build and manage agent memory and retrieval mechanisms using vector databases and retrieval‑augmented generation (RAG), ensuring context remains relevant and high‑signal Deploy AI services to production environments and actively monitor logs, traces, and metrics to detect and resolve issues Contribute to test coverage, operational runbooks, and incident response practices in collaboration with QA and operations teams Support continuous improvement of system reliability, performance, and maintainability

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Minimum 2 years’ experience developing backend or service-based systems using C# and/or Python At least 1 year of hands‑on experience working with large language models, prompt engineering, or AI‑enabled systems Strong analytical and debugging skills with the ability to reason across APIs, data flows, and AI system behavior Ability to clearly communicate technical decisions and trade‑offs to technical and non‑technical stakeholders Demonstrated ability to learn and adapt in a rapidly evolving technology environment

Programming

C#, Python (production services, async workflows, automated testing)

Cloud Platform

Azure (compute, storage, identity, deployment pipelines)

LLM Integration

Claude and/or OpenAI APIs (prompting, tool calling, rate limits, error handling)

Agent Orchestration

Azure AI Foundry, Microsoft Agent Framework; optional alternatives include LangGraph and LangChain.

Vector Databases

Pinecone or equivalent (indexing, retrieval, relevance tuning)

APIs & Integration

RESTful APIs, enterprise authentication, service‑to‑service integration

Observability

Application logging, metrics, and tracing in production environments WTW is an Equal Opportunity Employer