Senior Frontend Engineer

Build and maintain multi-product portal serving multiple integrated products with unified navigation, dynamic feature toggling, and shared workflows

Develop complex interactive visualizations including identity graph explorer, segment builder UI, and real-time analytics dashboards

Create and maintain a comprehensive design system with reusable, accessible, and performant components

Implement advanced frontend performance optimizations: virtualization for large lists/graphs, code splitting, lazy loading, and rendering optimization

Build complex form systems with dynamic validation, conditional logic, and multi-step workflow

Collaborate with Backend, Product, and UX teams to translate complex requirements into intuitive, high-performance interfaces

Implement comprehensive testing strategies: unit tests, integration tests, and E2E tests for complex interactive components

• 5+ years of hands-on frontend development experience dedicated to React/TypeScript
• Proven production experience building visual editors, workflow builders, or node-based UIs (React Flow, JointJS, Rete.js, Flume, or custom implementations)
• Expertise in complex state management: Zustand, Jotai, Redux Toolkit, or similar at scale with real-time sync
• Advanced TypeScript proficiency: generics, conditional types, mapped types, type guards, discriminated unions
• Strong understanding of React internals: fiber architecture, reconciliation, concurrent features, Suspense
• Production experience with testing complex UI: Jest, React Testing Library, Playwright/Cypress for E2E