Frontend Engineer

2 weeks ago


Bengaluru, Karnataka, India Varunastra Technologies Pvt Ltd Full time ₹ 3,60,000 - ₹ 6,00,000 per year

Position: Frontend Engineer Location: Remote /Hybrid Employment Type: Full-Time

Role Overview

We are seeking a highly skilled Frontend Engineer with strong expertise in JavaScript, React, and , along with a solid understanding of modern frontend architecture and design patterns. The ideal candidate is not only a strong implementer but also an engineer who can think in terms of scalability, maintainability, and long-term product vision. You should be comfortable building sophisticated UI systems, working with design teams, integrating APIs, and optimizing for performance, accessibility, and SEO.

Core Responsibilities

  • Develop high-quality, responsive, and visually compelling user interfaces using React, , JavaScript (ES6+), CSS3, SCSS, TailwindCSS, and modern frontend tooling.
  • Translate Figma designs into pixel-perfect, accessible, and highly functional UI experiences.
  • Architect, build, and maintain reusable components, scalable design systems, and long-term frontend architectures.
  • Collaborate with backend teams to integrate REST and GraphQL APIs, ensuring seamless data flow and efficient UI rendering.
  • Implement advanced state management using Redux Toolkit, Context API, Zustand, Jotai, or similar libraries.
  • Optimize application performance using code splitting, lazy loading, memoization, caching, and improving Lighthouse scores.
  • Ensure top-tier accessibility and SEO using WCAG guidelines, semantic HTML, and best practices.
  • Participate in code reviews, enforce coding standards, and maintain a clean and consistent codebase.
  • Use Git/GitHub effectively, following structured branching strategies and clean pull request (PR) workflows.
  • Troubleshoot and resolve frontend issues across different devices, browsers, and system configurations.
  • Contribute to and maintain design systems, style guides, and UI component libraries for consistent product experiences.
  • Support and enhance build & deployment pipelines, ensuring reliable delivery in multiple environments.
  • Write clear documentation for components, standards, workflows, and architectural decisions.
  • Stay current with emerging technologies and recommend improvements in tooling, performance, and development best practices.
  • Collaborate closely with Product, Design, QA, and engineering teams to reliably deliver features.

Required Skills & QualificationsCore Technical Expertise

  • Strong proficiency in JavaScript (ES6+) including closures, async programming, and advanced language fundamentals.
  • Expert-level understanding of , hooks, component lifecycle, concurrent features, and performance optimization.
  • Hands-on experience with , including server-side rendering, static generation, routing, middleware, and caching.
  • Strong styling expertise with CSS3, SCSS, TailwindCSS, and responsive design best practices.
  • Highly proficient with Git/GitHub, branching strategies, code reviews, and collaborative workflows.
  • Comfortable integrating REST and GraphQL APIs and handling data efficiently.
  • Familiarity with modern bundlers: Webpack, Vite, Turbopack, SWC, Babel.
  • Solid understanding of web security (XSS, CSRF, sanitization, CORS) and semantic HTML.

React Architecture & Pattern Knowledge

  • Functional composition & reusable logic abstraction
  • Component-driven development
  • Scalable folder structures & modular code organization
  • Higher-Order Components (HOCs)
  • Render Props Pattern
  • Compound Components
  • Custom hooks and Hook composition

API & Data Handling

  • Experience with caching tools like React Query, SWR, Apollo Client
  • Understanding of authentication models: JWT, OAuth, Sessions, Cookies

Performance & Quality

  • Strong debugging using Chrome DevTools
  • Experience improving Core Web Vitals
  • Ability to profile and solve rendering bottlenecks

Testing & Reliability

  • Experience with Jest, React Testing Library, Cypress, Playwright
  • Knowledge of mocking, snapshot testing, CI pipelines

Preferred Skills (Bonus)

  • Basic experience with React Native or willingness to learn mobile development
  • Solid understanding of TypeScript
  • Familiarity with UI frameworks: ShadCN
  • Experience with CI/CD: Vercel, GitHub Actions, Jenkins, GitLab CI
  • Exposure to monorepos (Turborepo, Nx)

Job Type: Full-time

Pay: ₹360, ₹600,000.00 per year


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