Mercor - On-site work

Join Mercor as a Research Engineer in San Francisco to shape frontier LLMs through post-training, RLVR, and synthetic data generation. You’ll design scalable evaluation systems, run reward-shaping experiments, and improve model reasoning in production. Requires strong coding, ML expertise, and a ...

Join Mercor as an Infrastructure Engineer in San Francisco. You will design scalable cloud architectures on AWS, automate deployments with Terraform and Docker, and ensure high availability. We seek expertise in Python, Go, and distributed systems. Enjoy generous equity, a $20K relocation bonus, ...

Fullstack Software Engineer role in San Francisco for product-minded builders. Own features end-to-end using React, Next.js, Python, and Go. Ideal for those with strong UX intuition and experience shipping on marketplace or growth platforms. Benefits include equity, relocation bonus, housing stip...