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
Integrate
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.
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 (iOS / Android) to align feature development.
Integrate frontend with RESTful and WebSocket 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
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.
Preferred Qualifications
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.
Senior Web Developer • Anantapur, Andhra Pradesh, India