Senior Software Engineer, Backend (Node.js, TypeScript, Rust)

About the Role

Mercor is partnering with a large enterprise technology organization to place a senior backend engineer on a platform team behind its customer-facing web and mobile experiences. The team works with Engineering, UX, Product, Business and Analytics, iterates through experimentation, and brings generative AI into production services. This is a full-time commitment of 40 hours per week.

What You'll Do

• Lead delivery of scoped features with collaborative engineering teams.
• Design, build, test and maintain efficient services in Node.js, TypeScript and Rust across the software lifecycle and CI/CD.
• Build and tune server-to-server integrations and REST and GraphQL API layers for high-traffic applications.
• Integrate AI/ML capabilities and use generative AI tools to boost engineering productivity.
• Contribute to solution design, run code reviews and monitor performance and defects.
• Mentor peers and share knowledge.

Requirements

• 5+ years of professional software engineering, or a Computer Science bachelor's degree plus 3+ years, on production systems at a high-scale organization.
• Hands-on backend experience with Node.js and TypeScript, and production-level Rust.
• Strong web fundamentals: HTTP semantics, cookies, headers, caching, sessions, service-to-service auth, timeouts and retries.
• Experience with high-traffic systems.

Compensation & Logistics

• Pay: $50-$80/h.
• Full-time, 40 hours per week, remote.
• Employment is W-2 with Cincinnatus LLC, placed within the enterprise client's engineering organization.
• US only.