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.

Responsibilities

• Design 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 verification
• Develop evaluation frameworks such as offline test suites, golden datasets, LLM-as-judge grading, and regression tracking
• Optimize system performance across latency, cost, throughput, and failure handling
• Implement observability through tracing, logging, and monitoring for debuggability and auditability
• Collaborate with cross-functional teams to define correctness in analytics queries and encode it into the system
• Stay current with LLM and agent tooling and make pragmatic build vs. buy decisions

Skills

• 5+ years of software engineering experience, including 2+ years building ML/AI or LLM-powered production systems
• Strong 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 architectures
• Hands-on experience with evaluation frameworks and observability tools for LLM systems
• Experience with vector databases and retrieval optimization
• Experience optimizing LLM systems for cost and latency (e.g., caching, batching, model routing)
• Strong data fundamentals including SQL and experience with data warehouses/lakehouses
• Strong communication skills and ability to translate ambiguous business questions into technical solutions

Benefits

• 401K Match
• Medical
• Dentistry

Company Overview

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