Staff Software Engineer - Customer Facing Applied AI

Addepar is hiring a Staff Software Engineer for its Applied AI team, which works with strategic clients to identify valuable AI applications and build them into production products. The role develops and evaluates agentic systems, integrates them into client workflows, and partners with core engineering teams to scale successful solutions. Responsibilities - Build AI-powered agents and tools end-to-end: identify the problem with clients and domain experts, prototype quickly, evaluate rigorously, and ship to production - Design and implement LLM integrations including prompt engineering, function calling, structured outputs, and retrieval-augmented workflows - Define evaluation criteria and build test harnesses for AI systems where correctness is ambiguous and domain-specific - Work directly with clients to understand their workflows, validate AI behavior, and iterate toward production quality - Partner with core engineering teams to generalize client-specific work into product features - Contribute to shared AI infrastructure (agent frameworks, tool integrations, deployment pipelines) - Monitor and maintain production AI systems with attention to reliability, cost, and performance