About MercorMercor is at the intersection of labor markets and AI research. 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 $2 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 new San Francisco headquarters.About the RoleAs a Software Engineer at Mercor, you'll play a crucial role in helping us refine and scale our AI-powered hiring platform, which will create a billion jobs. Members of our technical staff are responsible for improving the AI interview experience, processing millions in payouts each week, building a people search over billions of people, post-training LLMs, and building the best recruiting engine in the world.What We're Looking forWilling to align evening working hours with PT timezone through at least 11am PT.Bachelor’s degree or higher in computer scienceFluency in React, Next.js, Python, or GoExperience designing schemas for SQL and NoSQL databasesExperience with cloud platforms (GCP or AWS)Attention to detail and eagerness to learn3+ years of experienceWhy MercorImpact: Your work powers how the world’s leading AI labs train and test their models.Learning: Get early insights into frontier model capabilities months before the market.Growth: Work on both infrastructure and research-adjacent projects with fast paths to ownership.