Senior Product Designer

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. WHAT YOU’LL DO - Own the design of core user journeys across the product, from initial flows to polished UI - Collaborate with engineering and product to implement new features and refine existing ones - Bring clarity to complex user experiences as our product evolves and scales - Create and maintain a clean, modern visual language inspired by tools like Notion and powered by elements like Tailwind - Work closely with our Head of Design to articulate and evolve Mercor’s design philosophy & culture - Help tutorialize the product experience — ensuring that users know what to do without needing to be told QUALIFICATIONS - Strong portfolio that demonstrates both visual polish and UX depth - Passion for building products that are intuitive, beautiful, and a joy to use - 4–8 years in product design, ideally at fast-moving startups or high-bar product teams - Experience working closely with engineers and understanding implementation constraints - Proven ability to operate autonomously - Bonus: Experience building AI-driven products or marketplaces At Mercor, we recognize that exceptional ability comes in all forms, a core philosophy on which we built our platform. Because of this, we welcome candidates from diverse backgrounds with unique experiences and transferable skill sets, even if they don’t meet all the preferred qualifications listed above. BENEFITS - Generous equity grant vested over 4 years - Up to $15k Relocation bonus - $10K housing bonus (if you live within 0.5 miles of our office) - $1.5K monthly stipend for meals - Free Equinox membership - $200 monthly laundry reimbursement - $200 monthly personal wellness reimbursement - Health, Dental, Vision insurance