Principal Engineer - UI Developer (React.js)

• End-to-End Ownership : Code, develop, design, and architect features for existing applications. Take pride in owning modules throughout their lifecycle and delivering high-quality work products.
• Scalable Architecture : Design, implement, and maintain highly scalable, multi-tier, distributed server software applications that ensure robust performance.
• Full Application Lifecycle : Deliver across the entire app lifecycle: design, build, deploy, test, release to app stores, and provide ongoing support.
• Collaboration : Work directly with developers and product managers to conceptualize, build, test, and release innovative products that meet user needs.
• Technology Adoption: Continuously discover, evaluate, and implement new technologies to maximize development efficiency and enhance product capabilities.
• Technical Roadmap: Contribute to defining the technical roadmap for the team, aligning with business goals and user experience standards.
• Technical Debt Management : Manage technical debts by prioritizing and implementing necessary fixes, ensuring the longevity of code quality.

• Proficiency in Advanced JavaScript, TypeScript, CSS3, HTML5, AJAX, JSON, and DOM concepts.
• Thorough knowledge of the latest JavaScript frameworks and libraries such as React, AngularJS, RequireJS, Handlebars.
• Understanding of JavaScript design patterns, OOP, and functional programming concepts.
• Practical experience with modern front-end build tools like Webpack, Rollup, Parcel, Vite.
• Strong skills in responsive design and development for mobile and tablet devices.
• Experience with modern JavaScript testing frameworks like J est, React Testing Library, Cypress, Playwright.
• Knowledge of frontend performance optimization strategies, cross-browser compatibility issues, and best practices.
• A sense of appeal and aesthetics from a usability perspective, with a keen eye for detail.
• Strong analytical skills with the ability to verify assumptions and solve complex problems.
• Pragmatic approach to development, balancing theoretical best practices with practical solutions.
• High coding standards and commitment to shipping products with exceptional quality.
• Exposure to CI/CD processes and tools (eg, Jenkins, GitLab CI, GitHub Actions).
• Awareness of how systems work end-to-end, including elementary knowledge of backend systems.

Deep understanding of the internals of technologies used or worked on, for example:

• React: Virtual DOM, reconciliation algorithm, hooks implementation
• Redux: State management principles, middleware, async actions
• Webpack: Module bundling process, code splitting, tree shaking
• Browsers: Rendering pipeline, JavaScript engines, network protocols

Strong expertise in web performance optimization techniques:

• Code splitting and lazy loading
• Asset optimization (minification, compression)
• Caching strategies
• Network performance optimization

Experience in building web applications that provide a native-like experience:

• Progressive Web Apps (PWAs)
• Offline capabilities
• Smooth animations and transitions
• Responsive and adaptive design for various devices and screen sizes

• Knowledge of Java, Kafka, and AWS.
• Elementary knowledge of backend systems and technologies.
• Familiarity with GraphQL

• Bachelors or Masters degree in Engineering (B.E./B.Tech) from premier engineering colleges (IITs/NITs/IIIT/DCE).
• 5-8 years of experience in frontend and web technologies.
• Prior experience wit