Senior Frontend React Developer

Luxoft; Bengaluru; On-site; INR 1,800,000 - 3,200,000; Full time

Job summary

Luxoft is seeking a Senior Front-end Developer in Bengaluru to design, implement, and support industry-leading web applications for global clients. You will work with cross-functional teams to deliver responsive, accessible, and high‑performing interfaces using modern TypeScript frameworks and React.

You will collaborate with backend, design, and product teams to ensure reliable user experiences across web and mobile browsers, while staying current with evolving frontend technologies.

Qualifications

• 6+ years in frontend application development with React and TypeScript.
• Strong knowledge of responsive web design and accessibility.
• Experience integrating with REST and GraphQL APIs.
• Experience with component-based architecture and design systems.
• Prototype and production-grade UI components with performance mindset.

Responsibilities

• Develop and maintain responsive web applications using React in production environments.
• Build reusable, well-documented UI components following design system guidelines.
• Collaborate with UX/UI designers to translate wireframes and mockups into functional interfaces.
• Integrate frontend applications with backend APIs (REST, GraphQL).
• Optimize application performance, accessibility, and Core Web Vitals scores.
• Write and maintain unit, component, and end-to-end tests to ensure code quality.
• Implement and maintain CI/CD pipelines for frontend build, test, and deployment.
• Monitor frontend health through logs, metrics, and user-experience telemetry.
• Resolve defects and production issues within agreed service levels and quality standards.
• Participate in code reviews, technical discussions, and architecture decisions.
• Contribute to the evolution of the team's frontend standards, tooling, and best practices.
• Troubleshoot production issues and contribute to incident resolution.
• Stay current with emerging frontend technologies, frameworks, and browser capabilities.

Skills

Frontend development

React

TypeScript

HTML5

CSS3

UI/UX collaboration

Performance optimization

Testing (unit/e2e)

REST/GraphQL integration

Tools

Next.js

Redux Toolkit

Tailwind CSS

Vite

Sass/SCSS

Storybook

Webpack

Job description

Project description

As a Front-end Developer for this project, you will have the opportunity to contribute to industry leading software for our global clients. You will work closely with cross-functional teams and regional experts to design, implement, and support solutions. This is your chance to work on a stable, long-term project with a global client, focusing on digital transformation and change management. We are looking for a Senior Front-end Developer with 6+ years in frontend application development, with hands‑on experience in modern TypeScript frameworks and responsive web design. The ideal candidate will have strong production experience in React and practical exposure to the other ecosystem. The ideal candidate builds responsive, accessible, secure, and high‑performance web applications with modern frontend tooling and TypeScript‑first practices. You will work closely with backend, design, and product teams to deliver reliable user experiences across web and mobile browser environments.

Why Join Us?

Exciting Opportunities: Work in squads under our customer's direction, utilizing Agile methodologies and Scrum. Innovative Application: Contribute to an application that guides and documents the sales order process, aids in market analysis, and ensures competitive pricing. Workflow Governance: Be part of a team that integrates digital and human approvals, ensuring seamless integration with a broader ecosystem of applications. Global Exposure: Collaborate with reputed global clients, delivering top‑notch solutions. Career Growth: Join high‑caliber project teams with front‑end, back‑end, and database developers, offering ample opportunities to learn, grow, and advance your career.

Responsibilities

• Develop and maintain responsive web applications using a primary framework (React) in production environments
• Build reusable, well‑documented UI components following design system guidelines
• Collaborate with UX/UI designers to translate wireframes and mockups into functional interfaces
• Integrate frontend applications with backend APIs (REST, GraphQL)
• Optimize application performance, accessibility, and Core Web Vitals scores
• Write and maintain unit, component, and end‑to‑end tests to ensure code quality
• Implement and maintain CI/CD pipelines for frontend build, test, and deployment
• Monitor frontend health through logs, metrics, and user‑experience telemetry
• Resolve defects and production issues within agreed service levels and quality standards
• Participate in code reviews, technical discussions, and architecture decisions
• Contribute to the evolution of the team's frontend standards, tooling, and best practices
• Troubleshoot production issues and contribute to incident resolution
• Stay current with emerging frontend technologies, frameworks, and browser capabilities

SKILLS

• Years of Experience: 6+ years in frontend application development, with hands‑on experience in modern TypeScript frameworks (React) and responsive web design. Core Frontend Development
• Strong proficiency in HTML5, CSS3, JavaScript (ES6+), and TypeScript
• Experience with strict TypeScript settings, typed API contracts, and maintainable code patterns
• Strong understanding of modern browser APIs and web platform capabilities
• Deep understanding of responsive design, cross-browser compatibility, and mobile‑first development
• Experience with component‑based architecture and design systems
• Familiarity with Web Components and Shadow DOM
• Understanding of frontend security fundamentals (XSS prevention, CSP, secure token handling)
• Strong production experience in React
• Practical working knowledge of the secondary framework for maintenance and collaboration
• Ability to evaluate trade‑offs for rendering strategy, state management, and component architecture
• Hands‑on experience with recent React versions (hooks, concurrent rendering, servercomponents)
• Proficiency in React Router, Context API, and client‑server rendering patterns
• Experience with state management using Redux Toolkit, Zustand, or Jotai
• Understanding of Next.js or Remix for SSR, SSG, and hybrid rendering
• Familiarity with component libraries such as MUI, Ant Design, or shadcn/ui
• Ability to build and test reusable components in shared UI libraries
• Proficiency in CSS preprocessors (SASS/SCSS) and CSS‑in‑JS solutions (Styled Components, Emotion)
• Experience with utility‑first CSS frameworks (Tailwind CSS)
• Understanding of design tokens, theming, and dark mode implementation
• Familiarity with Figma‑to‑code workflows and design handoff practices
• Experience documenting components with Storybook or equivalent tools
• Experience with modern build tools (Vite, esbuild, Webpack, or Rspack)
• Understanding of tree‑shaking, code splitting, and lazy loading
• Familiarity with monorepo tools (Nx, Turborepo, or pnpm workspaces) for multi‑app setups
• Working knowledge of linting and formatting standards (ESLint, Prettier)

Nice to have

Testing: Experience with unit testing frameworks (Vitest, Jest, Jasmine); hands‑on experience with component testing (React Testing Library, Angular Testing Library); familiarity with end‑to‑end testing tools (Cypress, Playwright); experience with API mocking and test fixtures (MSW or equivalent); understanding of visual regression testing (Chromatic, Percy).

Performance Optimization: Experience with Core Web Vitals optimization (LCP, INP, CLS); understanding of image optimization, font loading strategies, and critical CSS; familiarity with Lighthouse, WebPageTest, and browser DevTools performance profiling.

Accessibility (a11y): Understanding of WCAG 2.2 AA guidelines and ARIA attributes; experience with accessibility testing tools (axe, Lighthouse a11y audit).

API Integration: Experience consuming RESTful APIs and GraphQL endpoints; understanding of data fetching patterns (SWR, React Query / TanStack Query, Apollo Client); familiarity with WebSocket and Server‑Sent Events (SSE) for real‑time features; understanding of resilient frontend patterns (retry, timeout, and graceful error states).

DevOps & Deployment: Experience with CI/CD pipelines for frontend builds (GitLab CI, GitHub Actions, Azure DevOps); understanding of containerized frontend deployments (Docker, Nginx, S3 + CDN); familiarity with feature flags, A/B testing frameworks, and environment‑based configuration.

Engineering Practices: Experience with Git‑based workflows, pull request reviews, and trunk‑based development practices; familiarity with semantic versioning, changelog discipline, and release hygiene; understanding of observability for frontend applications (error monitoring, RUM, telemetry); practical use of AI‑assisted coding tools with code quality and security review discipline; ability to break down UI work into estimable tasks and deliver within sprint commitments.

Soft Skills: Strong eye for UI detail and design consistency; good communication and collaboration skills; comfortable working in an agile development environment; ability to translate design mockups into pixel‑perfect implementations.