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