# Software Engineer, Agents at Mercor

- Company: Mercor
- Status: Open
- Workplace: On-site
- Location: New York City
- Level: Mid-level
- Discipline: Backend
- Employment: Full-time
- Salary: $160K–500K
- Posted: 2026-08-27
- Skills: Engineering, Core Engineering
- Apply: https://jobs.ashbyhq.com/mercor/f6035e89-f820-482c-9500-efb70226b134

## Description

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.

About the Role

We're looking for a strong engineer who can build agentic products that scale. You will work with:

 - Backend: Python, FastAPI, Django, Pydantic

 - Frontend: Next.js, React, TypeScript, Tailwind

 - Data: PostgreSQL, MySQL, Snowflake, DuckDB, Redis

 - Orchestration/Infra: Kubernetes, Temporal, Modal, Woz

 - Agents/LLM: LangGraph, LangChain, FastMCP, Harbor, NemoGym

 - Observability: Datadog, PostHog, LangSmith

At the end of the process, you’ll be team-matched to where you can have the most impact, on one of the following:

 - Automation – We build intelligent sy

More Mercor roles: https://deviantjobs.com/companies/mercor