Backend Engineer - Node.js Expert

About the job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.

Position: Senior Software Engineer, Backend (Node.js, TypeScript, Rust)
Type: Contract
Compensation: $45–$65/hour
Location: Remote
Commitment: 40 hours/week

Role Responsibilities

• Lead delivery of scoped features through collaborative engineering teams, ensuring alignment with platform and system objectives.
• Design, develop, test, and maintain high-quality services in Node.js, TypeScript, and Rust across the full software lifecycle and CI/CD.
• 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 use generative AI tools to enhance engineering productivity.
• Contribute to solution design, conduct code reviews, and apply best practices for scalable, secure, and maintainable systems.
• Monitor application performance, support defect resolution, and drive continuous improvement.

Qualifications

Must-Have

• 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.

Preferred

• Experience with GraphQL on Node.js (schema design, resolvers, federation).
• Familiarity with web accessibility standards.

Application Process (Takes 20–30 mins to complete)

• Upload resume
• AI interview based on your resume
• Submit form

Resources & Support

• For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome
• For any help or support, reach out to: support@mercor.com

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.