Fullstack Software Engineer, Agent Platform

What this role involves

Mercor is hiring a Fullstack Software Engineer for their Agent Platform team. The role involves owning the full stack of the agent platform, including React frontend and backend services, to support internal users and enterprise clients. The position requires 2+ years of fullstack experience and proficiency in JavaScript/TypeScript, React, Next.js, Python/Node.js, and is based in San Francisco, NYC, or London with in-person work five days a week.

Skills this posting asks for

• javascript
• typescript
• react
• next.js
• python
• node.js
• relational databases
• rest apis
• async task infrastructure
• frontend architecture
• state management
• design patterns
• high-throughput systems
• pipelines
• multi-tenant architectures
• agent frameworks
• llm-powered products
• human-in-the-loop ai workflows
• design systems
• developer-facing apis
• internal platform engineering
• ai tools
• real-time data
• data visualization

Requirements

• 2 years of experience
• Level: mid
• Remote policy: onsite

From the employer’s posting

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. Merco…