Lakshay Kumar

Senior frontend engineer with 5+ years of experience building scalable React + TypeScript systems at consumer and enterprise scale. Built and scaled a 40+ component WCAG compliant design system adopted across 5+ teams, cutting feature delivery time by 25%. Shipped performance overhauls that reduced FCP by 58% and bundle size by 40% for products serving millions of monthly users, specializing in component architecture and design systems.

Senior Software Engineer at SHL (2024-08 – Present)

Building scalable frontend systems and design systems at enterprise scale

• Built a WCAG compliant UI component library from scratch using Atomic Design principles, delivering 40+ reusable components on Storybook adopted by 15+ engineers, reducing feature development time by 25%.
• Defined package boundaries and splitting logic for the rollout of a modular frontend architecture enabling a package based versioning across 5+ teams, streamlining dependency management.
• Built and maintained Opium, a frontend package for user management and company settings, including role-based access control, dynamic theming, and branding configurations for global enterprise clients.
• Led the frontend delivery for TalentCentral+ and Talent Mobility, implementing CDN-based asset optimization via AWS CloudFront, reducing landing page load time by 50%.

Software Engineer at Noise (2022-11 – 2024-07)

Frontend development for D2C applications with focus on performance optimization and revenue-centric features

• Improved Core Web Vitals for D2C applications, reducing page load speed by 65% and First Contentful Paint by 58%, through code splitting and lazy loading, increasing user retention and SEO rankings.
• Optimized Webpack builds with build time optimizations, reducing bundle size by 40% and improving the mobile user experience for millions of monthly active users.
• Architected and delivered revenue-centric features including personalized checkout flow, and the gift store experience which optimized user journey and directly enhanced conversion rates.
• Built order creation and notification services, consuming Shopify Orders API and integrating Nodemailer to automate customer communications, eliminating manual fulfillment workflows.

Software Engineer at Credera (2020-08 – 2022-11)

Frontend development with focus on data visualization and personalization

• Developed data extraction flows and interactive dashboards with modern JavaScript frameworks to streamline internal reporting improving data visualisation for internal stakeholders.
• Utilized A/B testing tools such as AEM to experiment with and deliver personalized user experiences, directly optimizing high-traffic user flows and engagement.

Bachelor of Technology in Computer Science and Engineering – SRM Institute of Science and Technology (2020)