Senior Frontend Engineer (React/TypeScript)

About the role

We are looking for a Senior Frontend Engineer with deep expertise in React and TypeScript to lead the development of a multi‑product portal. The role involves creating high‑performance, interactive visualizations and maintaining a robust design system that serves multiple integrated products.

Key responsibilities

• Build and maintain a multi‑product portal with unified navigation, dynamic feature toggling and shared workflows.
• Develop complex interactive visualizations such as an identity graph explorer, segment builder UI and real‑time analytics dashboards.
• Create and maintain a comprehensive design system of reusable, accessible and performant components.
• Implement advanced frontend performance optimizations including virtualization, code splitting and lazy loading.
• Design and build complex form systems with dynamic validation, conditional logic and multi‑step workflows.
• Collaborate closely with backend, product and UX teams to translate complex requirements into intuitive interfaces.

Required profile

• 5+ years of hands‑on frontend development experience with React and TypeScript.
• Proven production experience building visual editors, workflow builders or node‑based UIs.
• Expertise in complex state management solutions such as Zustand, Jotai or Redux Toolkit at scale.
• Advanced TypeScript skills, including generics, conditional types and discriminated unions.
• Strong understanding of React internals, concurrent features and performance tuning.

Required skills

• React
• TypeScript
• React Flow, JointJS, Rete.js, Flume
• Zustand, Jotai, Redux Toolkit
• Jest, React Testing Library, Playwright, Cypress
• Virtualization, code splitting, lazy loading