Principal Engineer - UI Developer (React.js)

Company Description

Job Description

Role & Responsibilities:

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

Must-Have Qualifications:

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  Proficiency in Advanced JavaScript, TypeScript, CSS3, HTML5, AJAX, JSON, and DOM concepts.
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  Thorough knowledge of the latest JavaScript frameworks and libraries such as React, AngularJS, RequireJS, Handlebars.
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  Understanding of JavaScript design patterns, OOP, and functional programming concepts.
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  Practical experience with modern front-end build tools like Webpack, Rollup, Parcel, Vite.
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  Strong skills in responsive design and development for mobile and tablet devices.
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  Experience with modern JavaScript testing frameworks like Jest, React Testing Library, Cypress, Playwright.
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  Knowledge of frontend performance optimization strategies, cross-browser compatibility issues, and best practices.
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  A sense of appeal and aesthetics from a usability perspective, with a keen eye for detail.
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  Strong analytical skills with the ability to verify assumptions and solve complex problems.
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  Pragmatic approach to development, balancing theoretical best practices with practical solutions.
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  High coding standards and commitment to shipping products with exceptional quality.
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  Exposure to CI/CD processes and tools (e.g., Jenkins, GitLab CI, GitHub Actions).
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  Awareness of how systems work end-to-end, including elementary knowledge of backend systems.
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  Deep understanding of the internals of technologies used or worked on, for example:
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  React: Virtual DOM, reconciliation algorithm, hooks implementation
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  Redux: State management principles, middleware, async actions
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  Webpack: Module bundling process, code splitting, tree shaking
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  Browsers: Rendering pipeline, JavaScript engines, network protocols
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  Strong expertise in web performance optimization techniques:
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  Code splitting and lazy loading
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  Asset optimization (minification, compression)
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  Caching strategies
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  Network performance optimization
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  Experience in building web applications that provide a native-like experience:
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  Progressive Web Apps (PWAs)
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  Offline capabilities
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  Smooth animations and transitions
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  Responsive and adaptive design for various devices and screen sizes

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

Qualifications

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  Bachelor's or Master's degree in Engineering (B.E./B.Tech) from premier engineering colleges (IITs/NITs/IIIT/DCE).
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  5-8 years of experience in frontend and web technologies.
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  Prior experience with internet companies or in the travel industry is a plus.