Production LLM Agent Engineer - Reliability & Insights

Mercor; San Francisco (CA); On-site; USD 150,000 - 210,000; Full time

Job summary

Mercor in San Francisco seeks engineers who build and operate LLM agents in production, with real visibility into how agents are used inside a company.

You have shipped an agent used by real users, and can tell if a change improves or degrades performance; you design for long-running workflows, scheduled jobs, and cost-aware operation across data sources.

You will work on internal surfaces that expose agent behavior and cost, with a focus on reliability, observability, and scalable tooling.

Job description

Mercor in San Francisco seeks engineers who build and operate LLM agents in production, with real visibility into how agents are used inside a company.

You have shipped an agent used by real users, and can tell if a change improves or degrades performance; you design for long-running workflows, scheduled jobs, and cost-aware operation across data sources.

You will work on internal surfaces that expose agent behavior and cost, with a focus on reliability, observability, and scalable tooling.