CHETHAN KUMAR

Experience

• 

  MYn App

  Jan 2023 - Oct 2023

  Software Developer
• 

  NxtGen Datacenter & Cloud Technologies

  Nov 2023 - Jul 2024

  1. Leveraged Redux-Toolkit for efficient state management, improving app performance by 35% and providing users with an enhanced, smooth experience.2. Streamlined application performance and minimized database queries, leading to a 25% reduction in overall infrastructure costs due to fewer resource-intensive database operations.3. Developed robust RESTful API endpoints for JWT-based authentication, ensuring secure, stateless user sessions and enhancing overall application security, reducing unauthorized access attempts by 50%.4. Integrated Sentry for real-time error logging, improving system reliability by quickly identifying and resolving issues, reducing debugging time by 40% and streamlining the development workflow.5. Designed pixel-perfect UIs from Figma using Tailwind CSS, ensuring responsive, high-quality designsacross devices, leading to 20% higher user retention and 25% increased engagement.6. Designed and implemented an optimized MongoDB schema for billing, streamlining payment tracking and real-time transaction processing, which led to a 50% reduction in processing time and significantly improved system scalability and performance. Show less

  • Sr Software Engineer

    Jun 2024 - Jul 2024

  • Full-stack Developer

    Nov 2023 - Jul 2024
• 

  Greynium Information Technologies Pvt. Ltd

  Aug 2024 - now

  Software Engineer

  1. Configured the app as a PWA with IndexedDB for offline storage, enhancing functionality to resemble native apps and boosting user engagement by 30%.2. Migrated from PHP to Next.js, rearchitecting the application for best practices, resulting in a 50% faster page load.3. Integrated real-time messaging with PusherJS and Node.js, increasing user engagement by 90% with interactive, responsive data updates.4. Optimized runtime performance and reduced JavaScript bundle size by 20% using lazy loading, code splitting, and dynamic imports.5. Developed an image cropping and resizing tool using Canvas, reducing manual cropping time by 70% for image uploads. Show less