Senior Full Stack Developer, Node + React

This is a Senior Full Stack Developer position for a U.S.-based SaaS startup, aiming to improve the architecture and scale an MVP into a production-grade SaaS platform. The ideal candidate will own existing MERN MVP, refactor code, debug complex issues, and contribute to new features. US-based candidates with availability during West Coast working hours are prioritized.

Requirements

• Expert in MERN stack: MongoDB, Express.js, React.js, Node.js
• Deep MongoDB knowledge (indexes, performance, aggregation, triggers)
• Strong backend/infra skills: Node.js async/memory, AWS (EC2, S3, Lambda), CI/CD pipelines
• Experience integrating AI services into production apps
• Excellent English communication
• Availability during U.S. West Coast working hours (PST/PDT)

Benefits

• Direct collaboration with a technical founder/CTO
• Long-term role solving real production challenges
• Remote role with U.S. time zone collaboration
• Opportunity to grow into a lead role