The posting, in Mercor's own words
archived Sep 8, 2026About 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 Deeptune
Deeptune builds high-fidelity training environments where AI agents learn to complete real work through reinforcement learning. Our environments support areas such as computer use, code generation, and multi-step task completion. In July 2026, Mercor acquired Deeptune. Together, Mercor provides expert human data and Deeptune provides the environments in which agents train. Deeptune is headquartered in New York, and this role joins our remote team in India. Mercor on the acquisition | Fortune | a16z: Why we're investing in Deeptune
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The Role
AI agents need realistic places to practice before they can perform useful work. You will build those environments and the infrastructure that makes them reliable. This is an applied engineering role. You will own production software from an initial specification through implementation, testing, and delivery. The work changes with the needs of AI labs, so you should be comfortable learning unfamiliar domains and moving quickly without sacrificing technical quality.