Senior Web Developer
Hawk MarTechvapi, gujarat, in14 hours ago
Job descriptionIntegrate WebSockets , WebRTC , 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. 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. Optimize the app for performance, accessibility, and responsiveness across browsers and screen sizes. Ensure smooth operation on Chrome, Firefox, Safari, and Edge. Write unit , integration , and end-to-end tests using tools like Jest , Cypress , or Playwright . Participate in code reviews, test automation, and bug triaging. Work with backend (Java / Erlang) and mobile teams (iOS / Android) to align feature development. Integrate frontend with RESTful and WebSocket APIs. Contribute to CI / CD pipelines , release management, and production monitoring. 6+ years of professional experience in web development, building production-grade applications. Proficient in JavaScript / TypeScript and modern frontend frameworks (preferably React and Next ). Experience with real-time communication using WebSockets , Firebase , or similar technologies. Strong understanding of HTML5 , CSS3 , Responsive Design , and Cross-Browser Compatibility . Familiarity with REST APIs , WebSocket 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. Prior experience in messaging platforms , chat applications, or collaboration tools. Familiarity with end-to-end encryption , cryptography libraries (e.g., libsodium, OpenPGP.js). Experience with Service Workers , IndexedDB , or Progressive Web Apps (PWA) . Exposure to WebRTC , media streaming , or video / audio calling libraries. Contributions to open-source projects or strong personal GitHub portfolio. Experience working in agile teams with tools like Jira, Figma, and Git.
About the Role
We are looking for a skilled and experienced Senior Web 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 Responsibilities
1. Frontend Architecture & Development
- Design and implement a performant, modular, and scalable web app using React , TypeScript , 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
3. Security & Privacy
4. Cross-Platform Optimization
5. Testing & Quality Assurance
6. Collaboration & Deployment
Required Qualifications
Preferred Qualifications
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