Software Engineer, Applied AI- Evals
Mercor · San Francisco
Applied AIonsite$220k–$250k
At a glance
Highlights
- Build scorecards and failure reports that turn eval runs into decisions.
- Run frontier models on APEX benchmarks and publish leaderboard results.
- Help labs and enterprises decide which models and agents to trust.
What they offer
- Bi-annual performance bonus structure
- Generous equity grant vested over 4 years
- Up to $15k relocation bonus
- $10K housing bonus if within 0.5 miles of office
- $1.5K monthly stipend for meals
- Free Equinox membership
- $200 monthly laundry reimbursement
- $200 monthly personal wellness reimbursement
- Health, dental, vision insurance
Ideal candidate
Product-minded builder who owns features end to end and thrives in ambiguity. You care about turning complex eval data into simple, trusted decisions for AI labs and enterprises.
Requirements
- Bachelor's Degree in Computer Science or a related field
- Strong full-stack skills in a modern backend language (Python, Go or TypeScript) and a frontend framework such as React
- Track record of owning product features end to end, from idea to production
- Strong product sense that starts from what the user needs
- Experience building data-heavy products: data models, APIs and views over large volumes of results
- Excellent written and verbal communication with engineers, researchers and customers
- Comfort with ambiguity and a habit of shipping iteratively
- Experience with LLM evals, benchmarks or AI developer tools is a plus
- Startup experience or experience building B2B developer products is a plus
- remote policy
- In-person 5 days a week
Lab profile
About Mercor
AI data company organizing human expertise to train frontier models for the AI economy.
What they build
- APEX benchmark family
- Mercor Enterprise
- Human expertise training data platform
Known for
- Massive domain-expert network
- Frontier model training infrastructure
- Real-world professional work evaluation
Key facts
- Millions of domain experts on platform
- Pays over $4M per day to experts
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