Senior Enterprise Systems Developer

Description:**JOB DESCRIPTION** =================== **Developer, Gatekeeper App** ----------------------------- The Developer, Gatekeeper App will design, build, and maintain a secure internal application 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, access\-control systems, 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, access\-control systems, 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 established security, reliability, and internal application standards * Document behavior, setup steps, and operational considerations for maintainability **Core Technical Skills** ------------------------- * React * JavaScript or TypeScript * MCP integration basics * OAuth and access\-control concepts * REST API integration * Secrets and configuration management * Debugging and observability * Security fundamentals * UX for setup and operational workflows **Success Measures** -------------------- * The app is secure, stable, and maintainable * Authentication and access control work end to end * Setup and configuration flows are clear and supportable * API integrations are reliable and well documented * Issues can be diagnosed and resolved efficiently **Working Style** ----------------- * Collaborates effectively with technical and non\-technical stakeholders * Communicates clearly and documents decisions and implementation details * Takes ownership of quality, security, and operational readiness * Balances speed of delivery with maintainability and supportability Requirements: **Required Qualifications** --------------------------- * 3\+ 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 **Preferred Qualifications** ---------------------------- * Experience building internal enterprise applications or workflow tools * Familiarity with access\-control platforms or Zero Trust concepts * Experience with MCP or similar tool\-orchestration patterns * Experience designing admin, setup, or configuration interfaces * Experience supporting secure applications in an operational environment