SDE - II (Frontend)

1 week ago

Noida, Uttar Pradesh, India Cerebry Full time ₹ 1,50,00,000 - ₹ 3,00,00,000 per year

As a Frontend Software Development Engineer, you will own the endtoend development of rich, high-performance web applications. You will work with modern React (v18) while maintaining and upgrading legacy codebases built in earlier versions (8 and 16), design microfrontend architectures for modular delivery, and collaborate closely with Product and Design to deliver exceptional user experiences.

Responsibilities

  • Build new features and greenfield applications from scratch using React18 JavaScript (ES6+), HTML5 and CSS3/Sass.
  • Design and implement microfrontend solutions with different versions of React to enable independent deployment, scaling, and team autonomy.
  • Maintain and refactor existing React8/16 codebases; plan and execute smooth, incremental upgrades to React18
  • Leverage class component lifecycle methods for legacy code and hooks/concurrent features for React18 to maximize performance (automatic batching, Suspense, etc. ).
  • Apply React hooks, class-based components, and lifecycle methods appropriately for performance and readability.
  • Translate Figma/Sketch designs into pixel-perfect, accessible interfaces.
  • Advocate for UI/UX best practices, web accessibility (WCAG), and responsive design.
  • Write unit/integration tests (Jest, React Testing Library).
  • Profile and optimize rendering, bundle size, and runtime performance.
  • Participate in code reviews and enforce coding standards.
  • Work with Backend, DevOps, and QA to ship features through CI/CD pipelines.
  • Mentor junior engineers and share knowledge through tech talks or documentation.

Requirements

  • 3+ years of professional experience building production web apps.
  • Deep expertise in (v and strong core JavaScript skills.
  • Solid command of HTML5 CSS3 (Flexbox/Grid, responsive layouts).
  • Hands-on experience architecting or contributing to microfrontend solutions (Module Federation, SingleSPA, independent deployments, shared design tokens, etc. ).
  • Portfolio of greenfield builds demonstrating endtoend ownership.
  • Working knowledge of UI/UX principles, accessibility standards, and modern design systems.
  • Excellent problem-solving skills and clear, concise communication.
  • Experience migrating large codebases across major React versions.
  • Exposure to design systems.
  • TypeScript, , or React Native exposure.
  • Cloud-native deployment experience (AWS, GCP, Azure).

This job was posted by Prashal Jain from Cerebry.

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