Sr. Software Engineer (Node)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Sr. Software Engineer (Node) based in United States. This is a senior backend-focused engineering role with ownership of technical direction, architecture, and engineering quality for Node.js services. You will remain deeply hands-on while designing and delivering complex backend capabilities using Node.js, TypeScript, and Next.js API routes. The role combines system-level architecture with API design, data modeling, performance optimization, security, testing, and reliable production delivery. You will collaborate closely with frontend and mobile engineers to establish stable, well-documented API contracts and interfaces. The position also provides technical leadership through code reviews, mentoring, engineering standards, and architectural decision-making. Healthcare compliance, including HIPAA requirements, is an important consideration when designing secure, scalable, and highly available services. This is a fully remote opportunity for an experienced backend engineer who enjoys solving complex technical problems while raising the quality bar for a development team.