Software Engineer, Discovery

Mercor

San Francisco, California, United States · New York City, New York, United States · London, United KingdomFull-timePosted Nov 3, 2026

About the role

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.

The Role

Project leads at Mercor run and scale distinct data production businesses, each hiring and upskilling thousands of experts, while managing throughput and quality. We're building a self-optimizing automation platform that lets one person run a business of tens-hundreds of millions in revenue.

You'll own major parts of it:

Agents that source, vet and staff with minimal human input

Pay and incentives models that hire and retain the best experts

Experiments and workflows that keep huge projects running smoothly

Agents that are accountable for monitoring and driving real revenue goals

Who We're Looking For

We want engineers who thrive under ambiguity, seek out outsized scope and fight for high quality.

Benefits

Bi-annual performance bonus structure

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

Responsibilities

  • Build agents to source, vet, and staff experts with minimal human input
  • Develop pay and incentive models to hire and retain experts
  • Create experiments and workflows to keep large projects running smoothly
  • Build agents that monitor and drive revenue goals

Qualifications

  • Thrive under ambiguity
  • Seek out outsized scope
  • Fight for high quality

Benefits

  • Bi-annual performance bonuses
  • Generous equity grant vesting over four years
  • Up to $15,000 relocation bonus
  • $10,000 housing bonus for living within 0.5 miles of the office
  • $1,500 monthly meal stipend
  • Free Equinox membership
  • $200 monthly laundry reimbursement
  • $200 monthly personal wellness reimbursement
  • Health, dental, and vision insurance

Skills mentioned

PythonBackend DevelopmentSystem DesignDistributed SystemsAutomationWorkflow AutomationAI AgentsLarge Language ModelsAPI IntegrationData Analysis

About Mercor

We find the best experts in every professional domain and put their knowledge to work training frontier models. Through APEX, we measure whether those models can actually perform economically valuable work. We're also bringing that expertise to enterprises: deploying custom AI agents, staffing teams with vetted domain experts, and helping organizations encode their own knowledge into AI systems.

Software Development201-500 employeesSan Francisco, California

H-1B sponsorship history

Historical employer filing data was found for Mercor. The employer record includes 7 historical certified applications. This is employer-level history, not a guarantee that this role currently offers sponsorship.