Senior Frontend Developer (React)

We are looking for a Senior Frontend Developer to join our Network Orchestration group. Our group is responsible for developing scalable, high-performance distributed systems that support complex network infrastructures.
As a Senior Frontend Developer, you will play a critical role in designing, developing, and maintaining frontend infrastructure that supports multiple teams and projects across the company. You will work closely with cross-functional teams to understand their needs, build scalable components, and contribute to architectural decisions that impact the long-term success of the platform.
We embrace an agile mindset - you should be comfortable with context switching, handling multiple priorities, and adapting quickly to changing requirements.
Responsibilities

Architect and implement scalable, composable React component libraries for company-wide use according to React best practices.
Define and evolve the testing strategy for components (unit, visual regression, integration)
Collaborate with product managers and UX/UI designers to deliver visually appealing and intuitive designs.
Ensure the technical feasibility of UI/UX designs and optimize applications for maximum performance and scalability.
Write clean, efficient, and maintainable code following industry best practices.
Lead code reviews, mentor junior developers, and contribute to team knowledge-sharing initiatives.
Stay updated with emerging frontend technologies and industry trends.
Debug and resolve frontend performance issues and bugs efficiently.
Identify and implement best practices, tools, and workflows to enhance the development lifecycle.
Work closely with backend teams to seamlessly integrate APIs and other services.
דרישות התפקיד
React Mastery: 5+ years of experience building modern UIs using React, including deep understanding of hooks, context, refs, and render optimization

TypeScript Expertise: Ability to create expressive, reusable types for complex UI interactions

Component Architecture: Hands-on experience designing scalable, composable UI primitives and patterns

CSS & Styling Expertise: Proficiency in CSS/SCSS/SASS/LESS with expertise in layout techniques, responsive design, and preprocessor features like variables, mixins, and functions.

Accessibility (a11y): Strong grasp of semantic HTML, ARIA roles, and keyboard navigation standards

Design System Thinking: Familiar with design system foundations, token-driven theming, and cross-product consistency

Browser Performance & Optimization: Strong understanding of browser rendering and performance optimization techniques, such as lazy loading, tree shaking, and code splitting.

Component-Driven Development: Solid knowledge of component-driven development principles and best practices. Hands-on experience with Storybook or other UI component documentation tools.

Frontend Architecture & Scalability: Proven ability to design scalable frontend architectures.

? Collaboration & Agile Development: Strong communication and collaboration skills, with experience working in Agile development environments and cross-functional teams.

Real-Time Communication: Familiarity with WebSockets and related real-time communication technologies.

React Tooling & Ecosystem: Proficiency with tools and frameworks such as Create React App (CRA) for project scaffolding, Next.js for server-side rendering, and Material-UI (MUI) or Chakra UI for implementing design systems.

Microfrontend Architecture: Proven experience in Microfrontend concepts and their implementation.

Performance DOM Optimization & UI Performance:
Expertise in frontend performance tuning, lazy loading, tree shaking, and bundle size optimization.
Expertise in optim