Product Manager, Model Gateway

About Mercor Mercor's mission is to organize human intelligence to power the AI economy. We're a leading AI data company, building the layer between human expertise and frontier models. Millions of domain experts on the platform are paid over $4 million per day to train frontier AI models.

Mercor's APEX benchmark family measures AI's real-world impact on professional work. Mercor Enterprise brings this same infrastructure to Fortune 500 companies: helping companies capture how their best people actually work, translating that expertise directly back into agents.

Mercor is creating a new category of work where expertise powers AI advancement. Achieving this requires an ambitious, fast-paced and deeply committed team. You’ll work alongside researchers, operators, and AI companies at the forefront of shaping the systems that are redefining society.

Mercor is a profitable Series C company valued at $10 billion. We work in-person five days a week in our San Francisco, NYC, or London offices.

About the Role

In this Platform Product Manager, you'll own Mercor's LLM gateway, the shared layer every product surface depends on to reach frontier models reliably, affordably, and within policy.

This is a high-leverage platform role: the decisions you make about priority queueing, cost attribution, rate limits, and model usage policy ripple across every team that builds on top of us.

You'll own this product area with significant autonomy, working directly with an infrastructure team that owns the underlying shared services and with leadership to turn ambiguous, cross-cutting tradeoffs into durable systems and clear policy.

Because the gateway sits between every product team and the models they rely on, your users are internal: the PMs and engineers building on the platform, plus the infra and finance partners who care about reliability and spend.

Success looks like product teams moving fast without stepping on each other, model costs that are transparent and attributable down to t