Backend Engineer - Node.js Expert

Mercor
San Francisco, CA
Category Engineering
Job Description
Role Overview

Mercor connects elite creative and technical talent with leading AI research labs. The position involves leading delivery of scoped features through collaborative engineering teams, designing, developing, testing, and maintaining high-quality services in Node.js, TypeScript, and Rust.

What You Will Do

Build and optimize server-to-server integrations and API layers (REST and GraphQL) for high-traffic applications, integrate AI/ML capabilities into product services, and contribute to solution design.

Why It Might Be a Fit

The ideal candidate will have 4+ years of professional software engineering experience, hands-on production coding experience in Node.js and TypeScript, and experience building or operating high-traffic, consumer-facing web platforms.

Requirements

  • 4+ years of professional software engineering experience or a Bachelor's degree in Computer Science and 3+ years of experience
  • Hands-on production coding experience in Node.js and TypeScript on the backend
  • Hands-on coding experience in Rust for production services or performance-critical modules
  • Strong web fundamentals: HTTP semantics, cookies, headers, caching, sessions, and server-to-server communication patterns
  • Experience building or operating high-traffic, consumer-facing web platforms
  • Ability to engage reliably for at least 40 hours/week during weekdays
  • Excellent written and verbal communication skills
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