We are looking for a Senior Software Engineer specializing in Retrieval-Augmented Generation (RAG) systems, with experience in large language models (LLMs), vector databases, and cloud-based microservices. You will report to a Staff Software Engineer, your role will focus on building, integrating, and optimizing LLM workflows using LangChain and managing complex infrastructure with AWS services like Lambda and ECS. You'll bring expertise in containerized environments, using Docker, and work with vector databases to power data-driven applications. You will work in a hybrid-capacity (1 day per week) from an Experian Office located in one of the following locations: Costa Mesa, CA; Chicago, IL; Austin, TX. Relocation will not be provided for this position, you must live within a 50-mile radius of our office located in Costa Mesa, Chicago (Schaumberg) or Austin.