Frontend React Developer for Design System Implementation Overhaul

LumenWorks

Freelance · Remote · Flexible hours

About the role

LumenWorks is launching a security hardening initiative for its cloud‑hosted applications. We need a Frontend React Developer to reinforce the UI layer, ensure secure data handling, and integrate hardening controls without disrupting user experience.

Key responsibilities

• Implement secure, responsive components using React and TypeScript
• Audit existing code for XSS, CSP, and content‑security issues
• Collaborate with backend and security teams to embed authentication and authorization flows
• Write unit and integration tests focusing on security edge cases
• Document security patterns and contribute to the team style guide

Must-have skills

• Strong proficiency in React, JavaScript, TypeScript, HTML, and CSS
• Experience with OWASP best practices for frontend security
• Ability to work independently and deliver clean, maintainable code

Nice to have

• Familiarity with CSP, Subresource Integrity, and security headers
• Exposure to CI/CD pipelines for automated security testing