Karan Rawal

Cross-Platform Widgets (iGaming Platform)

• Led and architected a cross-platform widget platform within the React ecosystem, adopted across multiple client applications.
• Defined and drove the adoption of a Monorepo architecture using Turborepo, improving build performance and developer productivity.
• Implemented an independent versioning and release strategy with Changesets, enabling safe, incremental rollouts.
• Established a private NPM registry and CI/CD pipelines (Jenkins) to standardize build and deployment workflows.
• Delivered three client projects, reducing duplication by approximately 40%, and accelerating time to market.
• Set engineering standards and testing practices (Jest, React Testing Library), and mentored engineers to drive architectural consistency.

Payments Portal (Airline)

• Owned and delivered key frontend modules for a high-performance payments platform using React, Next.js (SSR), and Vite, achieving sub-2s load times.
• Optimized rendering pipelines and data flows to improve performance and reliability in critical transaction flows.
• Collaborated closely with Product and Design to translate business requirements into scalable front-end solutions.
• Contributed to front-end architecture decisions and delivery standards within the team.

Banking Mobile Application.

• Built scalable UI components for a mobile-first banking application, ensuring maintainability and consistency across platforms.
• Collaborated on Node.js/Express APIs to align frontend requirements with backend service contracts.
• Improved performance, reliability, and user experience in a regulated domain.

• Built React frontends for a high-traffic betting platform, with real-time dashboards, data-dense workflows, and interactive user experiences.
• Created D3.js analytics dashboards for live betting data, translating product requirements into decision-friendly interfaces.
• Contributed to an IoT device monitoring platform for real-time sensor tracking, health monitoring, and scalable data delivery.

• Delivered a real-time meeting platform using React, WebSockets, and WebRTC, including collaborative whiteboard features built with Fabric.js for low-latency interactions.
• Built a responsive, accessible UI for an IoT fire monitoring system using AngularJS, HTML5, CSS3, and Bootstrap.
• Worked across the frontend and Java Spring Boot backend to deliver stable, production-ready features on schedule.