engineering
Posted Aug 30, 2025Software Engineer, Backend
at Mercor
San Francisco, United StatesOn-site
Requirements
- 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.
- Mercor is creating a new category of work where expertise powers AI advancement.
- You’ll work alongside researchers, operators, and AI companies at the forefront of shaping the systems that are redefining society.
- About the Role As a Software Engineer at Mercor, you’ll join a small, product-driven engineering team building modern backend systems that power critical workflows for some of the most advanced AI companies in the world.
- At the end of the process, you’ll be team-matched to where you can have the most impact, on one of the following: - Talent platform side – building next-generation tools that automate recruiting end-to-end, intelligently match candidates to roles, and power global hiring with seamless contracts and payments. - Applied AI/human data side – partnering with top AI researchers from the AI labs like OpenAI, Anthropic, and Google to create post training datasets to improve foundational model capabilities.
- What You’ll Do - Design and build scalable backend APIs, services, and infrastructure. - Collaborate across the stack with product and design to ship features quickly. - Write clean, maintainable code and contribute to documentation. - Participate in code reviews, technical design discussions, and retros. - Solve real-world customer problems under real-world constraints. - Contribute to core systems that power training, evaluation, and scaling for leading AI labs.
- What We’re Looking For - Strong coding fundamentals in at least one modern language (Python, Go, Rust, etc.).
- - Understanding of data structures, algorithms, and distributed systems.
- - Familiarity with APIs, SQL/NoSQL databases, and cloud platforms (AWS/GCP).
- - Ability to break down ambiguity and ship simple solutions to complex problems.Why Mercor - Impact: Your work powers how the world’s leading AI labs train and test their models.
Benefits
- Today, more than 30,000 experts in our network collectively earn over $2 million a day.