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Software Engineer, Frontend

Mercor - San Francisco, California, United States

Posted Oct 2, 2025

Benefits

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About this role

Software Engineer, Frontend San Francisco, California, United States About Mercor Mercor's mission is to organize human intelligence to power the AI economy. We partner with leading AI labs and enterprises to provide the human intelligence essential to AI development. Our vast talent network trains frontier AI models in the same way teachers teach students: by sharing knowledge, experience, and context that can't be captured in code alone. Today, more than 30,000 experts in our network collectively earn over $3 million a day. 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 As a Frontend Engineer at Mercor, you'll join a small, product-driven engineering team designing and building the user-facing systems that define how customers interact with our core AI infrastructure. This is a high-impact, product-focused role where you'll work closely with design, product, and backend engineers to ship intuitive, performant, and scalable experiences for the world's leading AI labs. From day one you'll write production-grade code, own projects end-to-end, and balance velocity with polish, usability, and scalability. At the end of the process, you'll be team-matched to where you can have the most impact, on one of the

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