[Remote] Backend Engineer - Node.js Expert

Note: The job is a remote job and is open to candidates in USA. Mercor connects elite creative and technical talent with leading AI research labs. The company is seeking a Senior Software Engineer, Backend to lead feature delivery and build, maintain, and optimize backend services, integrations, and API layers using Node.js, TypeScript, and Rust. The role also involves integrating AI/ML capabilities, conducting code reviews, monitoring performance, and driving continuous improvement.

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

Skills

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

Benefits

• Remote work

Company Overview

Company H1B Sponsorship