Senior React js Engineer

21 hours ago

Ernakulam, India iLeaf Solutions Full time

Role: Senior React js Developer

Overview

Seeking a senior web engineer with 4+ years building production applications in React, , JavaScript (ES6+), and TypeScript who ships quickly while maintaining clean, scalable, and standards-compliant code.

Responsibilities


• Build and ship responsive web applications with React, , JavaScript, and TypeScript using clean architecture and component-driven development.


• Own features end to end: planning, implementation, testing, performance, accessibility, and deployment.


• Maintain high code quality via code reviews, automated checks, and consistent coding standards.


• Collaborate with product, design, and backend to scope, iterate, and release rapidly.

Required skills


• 4+ years with React and TypeScript/JavaScript; strong with React 18 hooks, context, and performance patterns.


• (App Router preferred): SSR/SSG/ISR, routing, caching/revalidation, and asset optimization.


• TypeScript in strict mode, type-safe API contracts, modular component design, and code reuse.


• State/ TanStack Query (React Query), Redux Toolkit or Zustand; forms with React Hook Form and schema validation (e.g., Zod/Yup).


• Testing (practical): unit/integration tests with Jest or equivalent (Vitest/Mocha/Jasmine) and E2E with Playwright or Cypress; prioritize critical-path and regression coverage, fast-running suites, and actionable CI feedback.


• Performance: code splitting, lazy loading, image/font optimization, Core Web Vitals and Lighthouse budgets.


• Accessibility and security: semantic HTML/ARIA, WCAG practices, XSS/CSRF protection, secure auth/session patterns.

  • • CI/CD workflows (Git-based PRs, build/test gates) and rapid, iterative delivery.

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