React Developer - Fully Remote

About The Job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.

• Role: Senior Software Engineer, Full Stack (Type Script, React, AWS)
• Type: Contract
• Compensation: $55–$75/hour
• Location: Hybrid, Seattle, WA

• Design and build robust Type Script/Node.js services for EHR integrations and clinical workflows.
• Deploy and operate microservices on AWS using containerization.
• Build React/Type Script provider- and patient-facing interfaces optimized for desktop and mobile.
• Develop integrations with patient-education and patient-engagement vendors, including notifications and tracking.
• Contribute to code reviews and system-design discussions, balancing quality with startup speed.

• 3 to 5 years of professional experience building production software systems using Type Script/JavaScript.
• Strong computer science fundamentals: algorithms, data structures, OOP design, concurrency, and distributed systems.
• RESTful or event-driven API development with Node.js (Nest/Express).
• Strong front-end skills with React and Type Script, including mobile and desktop optimization.
• Comfort debugging across distributed services and working agilely in a startup environment.
• Must be a U.S. citizen or permanent resident located in the United States; this role is hybrid, with onsite days in Seattle, WA.

• Healthcare startup or health-data integration background.
• High-throughput messaging platform experience.
• AWS, GCP, or Azure cloud experience.
• Tailwind CSS expertise.

• For details about the interview process and platform information, please check:
• For any help or support, reach out to:

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.