We are looking for a highly skilled and independent frontend developer who can single-handedly design, build, and maintain a complex enterprise React application. You will own the entire frontend development lifecycle — from UI architecture and component design to testing, performance optimization, and deployment. An AI-first approach to development is mandatory; you must actively leverage AI coding assistants (e.g., Cursor, Copilot) to maximize velocity, code quality, and coverage.

Responsibilities:

· Design, develop, and maintain a large-scale React 18 enterprise SaaS application.

· Work independently to deliver features end-to-end, from UI/UX implementation to API integration.

· Build and maintain reusable component libraries using MUI v5 and custom design patterns.

· Develop complex data visualizations using AG Grid and Recharts for real-time security monitoring dashboards.

· Integrate with RESTful backend APIs.

· Write and maintain comprehensive tests using Jest and React Testing Library.

· Progressively modernize a mature codebase — migrating class components to hooks, classic Redux to modern patterns, and JavaScript to TypeScript where appropriate.

· Ensure cross-browser compatibility, performance, and accessibility.

· Collaborate with the backend team to maintain backward compatibility across independent deployment cycles.

· Use AI tools as a core part of the development workflow to accelerate delivery, improve test coverage, and maintain code quality.

Requirements:

· Proven experience (5+ years) as a frontend developer with the ability to work independently.

· Expert-level React knowledge (hooks, context, lazy loading, code splitting, lifecycle management).

· Strong experience with Redux state management.

· Proficiency with MUI (Material UI) v5 and component-based design systems.

· Experience building complex data tables (AG Grid or similar) and charting (Recharts, D3, or similar).

· Solid understanding of REST API integration patterns (axios, interceptors, token refresh, request cancellation).

· Strong testing skills with Jest and React Testing Library (mocking, async testing, provider wrapping).

· Experience with SCSS/SASS alongside CSS-in-JS (Emotion/styled).

· Familiarity with enterprise authentication — SSO (Azure AD/MSAL, Google OAuth), JWT management.

· Proficiency with AI-assisted development tools (Cursor, GitHub Copilot, or similar) — demonstrated ability to integrate AI into daily workflow for code generation, refactoring, and testing.

· Strong problem-solving skills, attention to detail, and ability to meet deadlines independently.

· Experience with CI/CD pipelines (GitHub Actions, Jenkins) and Docker-based build/deploy flows - advantage

· Background in cybersecurity, enterprise admin panels, or SaaS platforms - advantage