Progressive Web App (PWA) Developer

As a Progressive Web App Developer at WN Infotech, you will focus on creating, optimizing, and deploying progressive web applications that offer both web accessibility and app-like functionality. Key responsibilities include:

• PWA Development : Design and develop scalable and high-performance progressive web applications, utilizing service workers, caching strategies, and offline capabilities to deliver fast, reliable user experiences.
• Responsive and Adaptive Design : Ensure all PWAs are responsive and perform seamlessly across various devices, screen sizes, and operating systems to provide a consistent user experience.
• Offline Functionality : Implement offline-first strategies using service workers and caching to ensure that applications work efficiently, even without a network connection.
• Push Notifications and Background Sync : Integrate features like push notifications, background sync, and other web APIs to enhance the PWA s interactivity and engagement with users.
• API Integration : Work closely with backend developers to integrate APIs and ensure smooth data flow between frontend and backend systems. You will also handle data synchronization and manage local storage to enhance the PWA s performance.
• Security and Performance Optimization : Use techniques like lazy loading, code splitting, and image optimization to enhance performance. You ll also implement best practices for secure data handling and storage.
• Cross-Browser Compatibility : Test and debug PWAs across different browsers and devices, ensuring compatibility and a uniform experience for all users.
• Collaboration and Documentation : Work with cross-functional teams, including designers and backend developers, to define PWA functionality. Document best practices, architecture, and coding standards for seamless collaboration.

The ideal candidate for the PWA Developer role should have strong expertise in the following areas:

• PWA Development and Web APIs : Extensive knowledge of service workers, caching, and web APIs, including push notifications and background sync, to create responsive and interactive PWAs.
• Proficiency in Frontend Technologies : Advanced skills in JavaScript , HTML5 , and CSS3 . Experience with React , Angular , or Vue. js is essential for creating dynamic interfaces.
• Browser Storage and Caching : Knowledge of IndexedDB, Web Storage, and caching mechanisms to optimize performance and enable offline capabilities.
• API Integration and Data Synchronization : Experience integrating RESTful APIs and managing real-time data synchronization across devices.
• Performance Optimization : Skilled in performance optimization techniques like lazy loading, code splitting, and image optimization.
• Testing and Debugging : Familiarity with cross-browser testing and debugging tools like Chrome DevTools and Lighthouse to ensure PWAs meet high standards for performance and reliability.
• Version Control : Proficiency in Git for source code management and collaborative development.

• Educational Background : Bachelor s degree in Computer Science, Information Technology, or related field, or equivalent experience.
• Professional Experience : Open to freshers and experienced candidates . Previous experience or projects in web development, especially with PWAs, is a plus.
• Technical Skills :
  • Familiarity with JavaScript frameworks like React , Angular , or Vue. js .
  • Knowledge of basic caching strategies and service workers.
• Problem-Solving and Learning Ability : Strong desire to learn and develop skills in building PWAs, with creative problem-solving abilities.