Prince Kumar

Senior Frontend Developer
Noida, IN.

About

Highly accomplished Senior Frontend Developer with 5+ years of experience specializing in building responsive, high-performance web and hybrid mobile applications. Proven expertise in performance optimization, accessibility, testing, and ensuring cross-browser compatibility. Adept at leveraging Monorepo and Micro-frontend architectures, with a strong track record of utilizing AI tools to accelerate development and deliver scalable frontend solutions that directly translate business needs into robust applications.

Work

Paytm Money
|

Senior Software Engineer

Summary

Led critical frontend development initiatives for high-impact features, focusing on security, performance, and cross-platform compatibility.

Highlights

Spearheaded the planning, design, and end-to-end delivery of critical features such as Two-Factor Authentication (2FA) login, Price Alerts, Combined Dashboard, and My Accounts revamp, significantly enhancing security, usability, and overall product engagement.

Developed a hybrid application for real-time market data analysis, seamlessly integrating it into the Paytm and Paytm Money app via WebViews to provide critical insights to users.

Drove performance optimization and degradation profiling initiatives, utilizing tools like Lighthouse, React DevTools, and Performance Insights to achieve significant improvements in Web Vitals (LCP, CLS, FCP).

Collaborated extensively with cross-functional teams, including product managers, designers, QA, and backend engineers, to define technical scope, make crucial architectural decisions, and oversee end-to-end project lifecycles.

Engineered and delivered robust, maintainable, and scalable frontend solutions through meticulous feature planning, modularization, and close coordination with diverse stakeholders.

Leveraged AI tools like Cursor AI and Claude to automate the creation of a company details page, boosting development efficiency and significantly reducing manual effort.

Orchestrated the migration of the company page from React JS to React Native, leveraging AI-assisted workflows to achieve a 60% increase in development efficiency and enhanced cross-platform maintainability.

Arvind Internet Pvt Ltd
|

Software Developer Engineer-I

Summary

Contributed to website development and performance optimization, enhancing user experience and site efficiency.

Highlights

Developed a versatile theme-based website platform, enabling clients to customize features and themes, with a single deployment supporting multiple tenants and distinct brand identities.

Optimized Core Web Vitals (CLS, LCP) for React applications by implementing server-side rendering, Route-Based JavaScript Payload, and Workbox for efficient JS/CSS caching, leading to improved page load times and reduced unused JavaScript.

Utilized Search Console, WebPage Test, and PageSpeed Insights for comprehensive performance measurement and analysis.

Streamlined project management and enhanced user experience by planning and developing various features within JIRA.

Arvind Internet Pvt Ltd
|

Software Developer Intern

Summary

Gained foundational experience in frontend development, focusing on internationalization and performance enhancements.

Highlights

Contributed to the development of an i18n universal Single Page Application, including upgrading the React site from version 16.2.0 to 16.10.0 and integrating Webpack 4.

Enhanced application performance across server, network, and browser by implementing server-side caching (Redis) and server-side rendering.

Reduced Time To First Byte (TTFB) through chunked HTML delivery via Node.js, and applied other progressive loading optimizations for faster page loads.

Education

Pune University

Master

Computer Application

Grade: 8.20 GPA

Awards

Rockstar Award

Awarded By

Paytm Money

Recognized for outstanding contributions to the Budget Page project, demonstrating exceptional performance and impact.

Rockstar Award

Awarded By

Paytm Money

Recognized for outstanding contributions to the Stocks Mini Revamp project, showcasing significant achievement and innovation.

Skills

Programming Languages

JavaScript, ES6, Python.

Frontend Frameworks/Libraries

React, React Native, Svelte, Bootstrap.

Web Technologies

HTML5, CSS3, SCSS, SASS, JSX, AJAX.

State Management & Routing

React Router, React Query.

Tools & Methodologies

Git, NPM, Webpack, Jenkins, Jira, ESLint, Jest, Figma, Unix, MySQL, JWT, Lighthouse, React DevTools, Performance Insights, Search Console, WebPage Test, PageSpeed Insights, Workbox, Redis.

Architectures & Concepts

Data Structure and Algorithm, System Design, Performance Optimization, Cross-browser Compatibility, Monorepo, Micro-frontend Architectures, Accessibility, Testing, Server-Side Rendering (SSR), Internationalization (i18n).

AI Tools

Cursor AI, Claude.