[Remote] Artificial Intelligence Engineer

Note: The job is a remote job and is open to candidates in USA. Harnham is a leading recruitment specialist in Data and AI, currently partnering with a DTC Media Streaming firm in the US. They are seeking an AI/ML Engineer to build a multi-agent analytics platform that utilizes LLM-powered agents for data analysis and visualization, ensuring production reliability and performance optimization.ResponsibilitiesDesign and implement multi-agent workflows (planner/executor patterns, tool-calling, routing, memory, and handoff between specialized agents)Build and maintain tools agents rely on, including SQL generation and validation, data connectors, retrieval pipelines, visualization, and result verificationDevelop evaluation frameworks such as offline test suites, golden datasets, LLM-as-judge grading, and regression trackingOptimize system performance across latency, cost, throughput, and failure handlingImplement observability through tracing, logging, and monitoring for debuggability and auditabilityCollaborate with cross-functional teams to define correctness in analytics queries and encode it into the systemStay current with LLM and agent tooling and make pragmatic build vs. buy decisionsSkills5+ years of software engineering experience, including 2+ years building ML/AI or LLM-powered production systemsStrong Python skills and experience with modern LLM frameworks (e.g., LangGraph or OpenAI Agent SDK)Experience with tool/function calling, RAG, prompt design, and agent-based architecturesHands-on experience with evaluation frameworks and observability tools for LLM systemsExperience with vector databases and retrieval optimizationExperience optimizing LLM systems for cost and latency (e.g., caching, batching, model routing)Strong data fundamentals including SQL and experience with data warehouses/lakehousesStrong communication skills and ability to translate ambiguous business questions into technical solutionsBenefits401K MatchMedicalDentistryCompany OverviewHarnham has actively chosen to focus on Data and Analytics. It was founded in 2006, and is headquartered in New York, New York, USA, with a workforce of 201-500 employees. Its website is https://www.harnham.com/us.Company H1B SponsorshipHarnham has a track record of offering H1B sponsorships, with 1 in 2024. Please note that this does not guarantee sponsorship for this specific role.