Top Front End Developer Jobs in Kolkata

Build and maintain React micro-frontend applications for a high-scale payments platform. Develop payment methods, implement features and bug fixes, improve reliability, and deliver production-ready work through GitLab CI/CD. Write unit, integration, and end-to-end tests while supporting accessibility, internationalization, telemetry, feature flags, and production debugging. Collaborate on frontend architecture, GraphQL API contracts, distributed systems, and caching strategies.

Build and operate frontend commerce surfaces including storefronts, checkout, catalogs, subscriptions, invoices, and contracts. Own performance budgets, Core Web Vitals, bundle optimization, PWAs, service workers, caching, accessibility, internationalization, localization, client state, observability, and module federation. Collaborate with product and design teams, consume typed backend contracts, debug complex issues, and mentor junior engineers.

Design and implement the core front-end web application including onboarding, authentication, and quote/bind/pay flows with complex dynamic forms. Build reusable UI libraries and components, drive UI/UX best practices, introduce AI-assisted tooling, perform code reviews, improve system quality and scalability, and collaborate cross-functionally across the stack.

Build and maintain responsive UI applications using React/Next, manage state with Redux, integrate REST APIs, write UI tests, debug issues, collaborate across design/product/backend, and participate in code reviews to improve frontend quality.

Lead hands-on frontend development for an AI-powered software platform. Architect scalable interfaces with complex state management and real-time updates, optimize responsive cross-browser performance, maintain component libraries and design systems, and uphold testing and code-quality standards. Collaborate with product, design, and backend teams, lead code reviews, mentor two frontend engineers, and evaluate tools that improve development workflows.

Staff Frontend Engineer owning Commerce frontend architecture, standards, performance, accessibility, testing, and platform integration. The role develops production code, establishes scalable micro-frontend patterns, typed API contracts, monitoring, and CI quality gates. It also contributes to shared frontend platforms, influences company-wide engineering decisions, mentors backend engineers, and hires the initial Commerce frontend team. The ideal candidate has deep large-scale commerce experience, strong browser-platform expertise, and the ability to lead through architecture, documentation, code review, and technical execution.

Build and maintain fast, intuitive frontend applications for blockchain and Web3 products. Collaborate with product, design, and engineering teams; develop reusable components and frontend architecture; integrate wallets and smart-contract interactions; improve performance, reliability, and accessibility; participate in technical planning and code reviews; mentor other developers and establish frontend best practices.

Build high-performance, responsive frontend applications for Binance Earn across desktop and mobile. Collaborate with design, backend, and product teams to translate requirements into reusable, maintainable solutions. Develop frontend libraries and frameworks, optimize performance and scalability, and apply React, JavaScript, TypeScript, state management, and modern build tools. Web3, on-chain trading, ethers.js, web3.js, and real-time data platform experience are advantageous.

Own the architecture and technical direction of HighLevel’s platform frontend, including the application shell, module federation, shared component library, build tooling, and performance standards. Lead migrations, independent release strategies, failure isolation, accessibility, internationalization, and observability. Remain hands-on with frontend architecture and code while mentoring engineers, driving cross-team adoption, and optimizing large-scale web applications.

Build desktop client features using TypeScript/React/HTML/CSS, contribute to platform and libraries, ensure long-term code quality, consume RESTful APIs, debug and optimize performance, and collaborate with cross-functional teams.

Build and maintain high-quality frontend web applications using React and TypeScript, develop Node.js microservices, and collaborate with designers and backend engineers on new features. Responsibilities include implementing accessible and performant interfaces from Figma designs, integrating APIs, testing, writing reusable libraries, participating in code reviews, reducing technical debt, and contributing to engineering culture and team growth.

Build and maintain OpenTable’s consumer iOS app and payment experience at global scale. Responsibilities include developing features in Swift, collaborating with product, design, and backend teams, defining APIs, conducting A/B testing, maintaining architecture, writing unit tests, refactoring code, upgrading frameworks, and mentoring engineers.

Own the frontend architecture of Plane’s local-first, real-time client. Responsibilities include client-side state, synchronization, caching, offline behavior, conflict resolution, performance optimization, dense data views, collaborative editing, design systems, and engineering standards. Partner with product, design, and backend teams to deliver scalable features across work items, boards, and documents.

Develop responsive web applications using modern front-end technologies, collaborate with designers, optimize performance, and ensure accessibility.

Front-end web developer role focused on building/customizing WordPress and CMS websites and eCommerce solutions. Work involves HTML5, JavaScript/AngularJS, PHP/.NET backend integrations, SEO/SMO, and collaboration on design and site optimization.

Design and develop custom WordPress/CMS and eCommerce websites with strong frontend emphasis. Implement HTML5, JavaScript/AngularJS, SEO/SMO and backend integrations (PHP, .NET, MS SQL, Java/J2EE). Collaborate on web design, social media integration, and site optimization to deliver user-focused, search-friendly web solutions.

Develop and maintain custom WordPress and CMS websites and eCommerce solutions using front-end technologies. Collaborate on web design, social media integration, SEO/SMO, and implement responsive HTML5, JavaScript, and AngularJS features. Strong English communication required.

Develop and maintain custom WordPress and CMS websites and eCommerce solutions. Implement front-end features using HTML5, JavaScript, AngularJS and integrate with backend technologies (PHP, .NET, Java, MS SQL). Ensure SEO/SMO and social media integration, responsive design, and collaborate on web design and technical solutions.

Lead frontend architecture and development using React. Build reusable components, integrate REST/GraphQL APIs, optimize performance, ensure responsive/cross-browser UIs, mentor developers, conduct code reviews, and participate in Agile processes.

Build and own the frontend for a company intelligence and verification platform, including a Next.js customer dashboard, scalable SEO-focused company profile pages, and a Mintlify developer documentation portal. Implement authentication, billing, API key management, alerts, watchlists, eSign flows, data-dense interfaces, email templates, and performance optimizations. Work independently from written design briefs while prioritizing correctness, speed, accessibility, and reliable loading, empty, and error states.

Own frontend architecture and build production-grade Web3 UIs. Integrate wallets, handle signing flows, fetch and reconcile onchain/offchain data, ensure security and correctness, mentor engineers, and drive frontend standards and testing.

Develop and maintain responsive frontend applications using Angular and TypeScript, collaborating with backend engineers and participating in code reviews.

Build and ship responsive, high-performance web applications using React and TypeScript. Translate designs into accessible UI components, optimize performance, integrate with REST/GraphQL APIs, collaborate with product/design/backend teams, participate in code reviews, and contribute to frontend architecture, testing, and CI/CD. Support occasional backend tasks if needed.

Develop and maintain responsive, accessible React web interfaces; build reusable components; translate designs into production code; optimize performance and cross-browser compatibility; integrate RESTful APIs; write unit and integration tests; participate in code reviews and collaborate with cross-functional teams.

The Frontend Engineer will create innovative UI elements and manage project priorities while developing customer experiences with JavaScript systems and web technologies.