Senior frontend developer
3 weeks ago
About the RoleWe are looking for a skilled and experienced Senior Frontend Developer to lead the development of our real-time messaging web application. You’ll be responsible for building a high-performance, responsive, and secure web client that mirrors the mobile experience — complete with messaging, notifications, media sharing, and end-to-end encryption.You’ll work closely with the product, design, backend, and mobile teams to deliver a world-class communication experience that works across devices and platforms.Key Responsibilities1. Frontend Architecture & Development- Design and implement a performant, modular, and scalable web app using React, Type Script, Next.js, or other modern frameworks.- Build and maintain core messaging features: real-time chat, group messaging, media sharing, typing indicators, read receipts, and notifications.- Create reusable UI components and ensure consistent design across the platform.2. Real-Time Communication- Integrate Web Sockets, Web RTC, or similar real-time communication protocols to support live chat and media sharing.- Ensure message syncing, delivery tracking, offline handling, and real-time UI updates.3. Security & Privacy- Collaborate with backend/security teams to implement end-to-end encryption, secure session management, and authentication workflows.- Ensure secure data handling in the browser — local storage, cookies, tokens, and message caching.4. Cross-Platform Optimization- Optimize the app for performance, accessibility, and responsiveness across browsers and screen sizes.- Ensure smooth operation on Chrome, Firefox, Safari, and Edge.5. Testing & Quality Assurance- Write unit, integration, and end-to-end tests using tools like Jest, Cypress, or Playwright.- Participate in code reviews, test automation, and bug triaging.6. Collaboration & Deployment- Work with backend (Java/Erlang) and mobile teams (i OS/Android) to align feature development.- Integrate frontend with RESTful and Web Socket APIs.- Contribute to CI/CD pipelines, release management, and production monitoring.Required Qualifications- 6+ years of professional experience in web development, building production-grade applications.- Proficient in Java Script/Type Script and modern frontend frameworks (preferably React and Next).- Experience with real-time communication using Web Sockets, Firebase, or similar technologies.- Strong understanding of HTML5, CSS3, Responsive Design, and Cross-Browser Compatibility.- Familiarity with REST APIs, Web Socket APIs, and frontend state management (Redux, Zustand, etc.).- Good grasp of security principles — XSS, CSRF, CQRS, HTTPS, token handling, and secure storage.- Experience with performance profiling, lazy loading, code-splitting, and network optimization.Preferred Qualifications- Prior experience in messaging platforms, chat applications, or collaboration tools.- Familiarity with end-to-end encryption, cryptography libraries (e.g., libsodium, Open PGP.js).- Experience with Service Workers, Indexed DB, or Progressive Web Apps (PWA).- Exposure to Web RTC, media streaming, or video/audio calling libraries.- Contributions to open-source projects or strong personal Git Hub portfolio.- Experience working in agile teams with tools like Jira, Figma, and Git.
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Senior Frontend Developer
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Senior Frontend Developer
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Gurgaon, India Hawk MarTech Full timeAbout the RoleWe are looking for a skilled and experienced Senior Frontend Developer to lead the development of our real-time messaging web application. You’ll be responsible for building a high-performance, responsive, and secure web client that mirrors the mobile experience — complete with messaging, notifications, media sharing, and end-to-end...
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Senior frontend developer
5 days ago
Gurgaon, India VMock Full timePosition Overview:VMock is seeking an innovative Senior Front-End Developer with 3-8 years of proven experience tojoin our dynamic team. The ideal candidate will have a passion for creating high-quality,responsive web designs and applications with a mobile-first approach. You will collaborateclosely with cross-functional teams including product managers,...
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