Senior FullStack Engineer - ReactJS, TypeScript

Role: Senior FullStack Enginee - ReactJS, TypeScript

Duration: Contract

Location:  Austin, Texas (Hybrid)

Job Description -

The Developer, Gatekeeper App will design, build, and maintain a secure internal application within Cloudflare OS that supports authentication, access control, and operational workflows for Gatekeeper use cases. This role is responsible for delivering a reliable, maintainable, and user-friendly experience that integrates with MCP, Cloudflare Access, OAuth-based authentication, and related APIs.

Key Responsibilities:

• Design and build the Gatekeeper app using modern frontend development practices
• Implement interactive user flows for setup, configuration, validation, and status reporting
• Integrate with MCP tools, Cloudflare Access, and OAuth-based authentication flows
• Develop secure API integrations with internal and external systems
• Manage environment variables, secrets, and configuration in a secure and maintainable way
• Add input validation, error handling, logging, and troubleshooting support
• Partner with stakeholders to refine requirements and improve workflow usability
• Ensure the application follows security, reliability, and Cloudflare OS standards
• Document behavior, setup steps, and operational considerations for maintainability

Required Qualifications:

• 8+ years of software development experience, or equivalent practical experience
• Strong experience with React
• Strong experience with JavaScript or TypeScript
• Experience building and maintaining web applications or internal tools
• Experience integrating with REST APIs and JSON-based services
• Familiarity with OAuth, authentication, and authorization concepts
• Familiarity with secure configuration and secrets handling
• Understanding of debugging, logging, and production support practices
• Working knowledge of security best practices, including least privilege and input validation