2+ years leading platform/integration engineering across enterprise systems, including API/integration experience with Representational State Transfer (REST), GraphQL, event-driven capabilities, microservices, and middleware; and 2+ years of development operations (DevOps) and development, security, and operations (DevSecOps) experience, including continuous integration/continuous delivery (CI/CD), infrastructure as code (IaC) using Terraform/CloudFormation, Docker/Kubernetes, observability, and monitoring. 2+ years building and delivering large language model (LLM) and generative artificial intelligence (GenAI) solutions with Claude/GPT(Codex)/Gemini-class models, including prompt/context design, tool/function calling, evaluation, and production integration; and 2+ years implementing retrieval-augmented generation (RAG)/retrieval, including document processing, embeddings, vector/hybrid search, and enterprise governance controls.