Senior Frontend React Developer – End-to-End Responsive Layout

CoreData Systems

Contract · Remote · Flexible hours

About the role

CoreData Systems is launching a security hardening initiative for its cloud‑hosted applications. We need a Frontend React Developer to reinforce the UI layer against emerging threats while keeping performance sharp.

Key responsibilities

• Audit and refactor existing React components to meet OWASP guidelines
• Implement secure authentication flows with token rotation and CSP headers
• Integrate static analysis tools into the CI pipeline for front‑end code
• Collaborate with backend engineers to enforce end‑to‑end encryption
• Document security patterns and create reusable hardening UI modules

Must-have skills

• Strong experience building production‑grade React applications
• Deep knowledge of JavaScript/TypeScript, HTML5, and CSS3
• Familiarity with web security best practices and vulnerability mitigation
• Ability to write clean, testable code and unit tests

Nice to have

• Experience with security testing tools like Snyk or npm audit
• Background in cloud platforms (AWS, Azure, GCP)
• Understanding of CI/CD integration for front‑end projects