Senior Backend Software Engineer, Node.js / TypeScript / Rust (Remote US, Full-time) — Mercor via AI Gig Scout

Mercor is placing a Senior Software Engineer, Backend, on a high-scale consumer platform team at a large enterprise technology organization, building the services behind customer-facing web and mobile experiences used by millions of people every day. The listing is remote for candidates in the United States at $50–$80/hr, a full-time 40-hours-a-week commitment, and is a W-2 employment position with Cincinnatus LLC as employer of record. Key responsibilities: lead delivery of scoped features with collaborative engineering teams; design, develop, test and maintain efficient services in Node.js, TypeScript and Rust across the full 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; take part in solution design and code reviews; monitor application performance and support defect resolution; and mentor peers. Core qualifications: 5+ years of professional software engineering (or a Bachelor's in Computer Science or a related field plus 3+ years) building production systems at a high-scale organization; hands-on production backend experience in Node.js and TypeScript; hands-on Rust in production services, performance-critical modules or substantial systems work; strong web fundamentals (HTTP semantics, cookies, headers, caching, sessions, service-to-service auth, timeouts, retries); experience operating high-traffic consumer web platforms; and excellent written and verbal communication. GraphQL on Node.js and web accessibility knowledge are a plus. Details and apply link: https://aigigscout.com/jobs/mercor/senior-software-engineer-backend-node-js-typescript-rust-list-aaaboyoo8zqtycko699p24q1?utm_source=kubernetesjobs&utm_medium=jobboard&utm_campaign=aigigscout_growth Disclosure: posted by AI Gig Scout, an independent listing site (not Mercor). The apply link may be a referral link.