Arpit Jain
Building JSW One | Senior Frontend Engineer | Ex-Nykaa | ReactJS | NextJS | JavaScript | TypeScript | Micro Frontends | Performance Optimization
Bengaluru
7+ years of work experience
Dec 202510 mosPresent
Bengaluru, Karnataka, India
– Leading frontend architecture and performance engineering initiatives for JSW One MSME, a large-scale B2B commerce platform serving thousands of customers across web, mobile web, and app ecosystems.
– Spearheaded migration of business-critical applications from Nuxt.js to Next.js, implementing SSR architecture to improve scalability, SEO, and application performance.
– Improved Lighthouse performance scores from 40 to 85+ across major customer-facing pages through platform-wide performance optimization initiatives.
– Designed and optimized a NestJS-based Backend-for-Frontend (BFF) architecture, reducing API response times from approximately 10 seconds to under 1 second.
– Architected and implemented multi-layer caching strategies across frontend servers, BFF services, and CDN layers, significantly reducing backend load and improving response times.
– Implemented CDN caching and image optimization using Google Cloud CDN, improving TTFB, LCP, INP, and overall Core Web Vitals.
– Accelerated content publishing cycles through Strapi CMS-driven architecture, reducing engineering dependency for business teams.
– Standardized Design System adoption across multiple products, improving UI consistency, maintainability, and engineering velocity.
– Collaborated with Product, Backend, QA, Design, and Leadership teams to drive platform-wide modernization and performance initiatives.
– Built a Figma-to-Code workflow using MCP (Model Context Protocol) and Design System integration, significantly reducing design-to-development effort.
– Implemented code splitting, lazy loading, fold-based rendering, intelligent prefetching, and API caching strategies to improve page performance and user experience.
Apr 20223 yrs 9 mosDec 2025
Gurugram, Haryana, India
- Built payment module in Webview for Android and iOS platforms, ensuring seamless integration, quick fixes, and compatibility. Utilized monitoring tools such as New Relic, Kibana, Grafana, and Mixpanel to track platform and performance metrics. Achieved a score of 95 in lighthouse score and improved conversion metrics by 5%.
- Introduced Micro frontend architecture using ReactJS, TypeScript, Styled Components, and Webpack, speeding up Frontend feature development by 30%.
- Worked closely with cross-functional teams to integrate PCI compliance for Nykaa’s Payments Page, reducing security vulnerabilities by 40% and enhancing customer trust. Resulted in a 15% increase in transactions, solidifying Nykaa’s reputation as a secure shopping destination.
- Leveraged Lighthouse and optimization tools to enhance design consistency, code quality, and page load times, achieving a 20% improvement. Resulted in a smoother user experience and increased customer satisfaction.
- Designed and implemented a robust CI/CD pipeline with Jenkins to facilitate smooth deployment of frontend applications, integrating industry best practices and automation for efficiency.
- Implemented Payment Offers on Nykaa’s MSITE and desktop platform, boosting user experience across Beauty, Men, and Fashion sections. Integrated offers seamlessly into the checkout process, elevating conversion rates by 10% and enhancing customer satisfaction by 20%.
- Revamped Checkout module with cross-browser compatibility and robust architecture, reducing load time by 20% and increasing checkout completion rates by 5%.
May 20211 yrApr 2022
Bangalore Urban, Karnataka, India
- Worked on myBillBook web & desktop App which is a kind of a GST Billing & Accounting Software. For tech stack we are using Angular & RxJS.
- Worked on improving the design system, code cleanup, faster page load time and bundle optimisation.
- Understanding and working on the whole product cycle starting from discussing feature requirements with product, discussing design system with designer, finalising the component structure (State & UI), PR review and resolving bugs to finally deploying it.
- Revamped the admin panel of myBillBook App from scratch in Angular.
Jul 20191 yr 11 mosMay 2021
Pune, Maharashtra, India
- Worked on Datakrew product mads which is a kind of AppStore for IoT & AI apps powered by the Vue.js framework. Used industry coding standards, abstraction, Vuex as a central store & optimization.
- Architected & Developed the Dailyploy web-app from scratch using ReactJs.
- Built an abstract solution for easy to complex education portals using SPA & Modern frontend framework.
- Improved the old product aesthetic and redesigned the UI with the help of reusable component structure & Redux.
- Developed a Scalable Desktop Application architecture using ElectronJs & ReactJs while maintaining the performance.
-Worked on React, Redux, react-router, redux-thunk, and Axios to implement the functionalities with HTML, CSS, and flexbox to build the UI.
- Proper use of React environment, reusable components, lifecycle methods, async calls, API calls, balance between internal and central store & logical implementation.
Jun 20183 mosAug 2018
Gurugram, Haryana, India
Worked on a react.js and redux as a Front-end Web Developer. Built a client website www.threadorigin.com from scratch and my day-to-day tasks involved the addition of new features, bug fixes, performance improvements and functionalities to the website.
Arpit’s AI Stack
Education
Bachelor of Technology - BTech, Computer Science
Rajasthan Technical University, Kota
20154 yrs2019
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