Aman Kumar Sinha

• Architected and built a drag-and-drop email template builder for BuyBoxCartel, a US-based real estate investment
platform, with a custom rendering engine, content blocks, live preview, and JSON-to-HTML generation.
• Led the migration to a new v2 RESTful API, integrating 150+ endpoints using Axios while modernizing reusable React
components written in TypeScript.
• Upgraded the application from Next.js 12 to 14.2, improving performance, maintainability, security, and Core Web Vitals.
• Delivered 60+ production features and fixes across Marketplace, Messaging, Pipeline, Dashboard, Authentication, Affiliate,
and Admin modules.
• Integrated PostHog for analytics and feature flags, and implemented platform-wide Light Mode using React Context API.

• Built a scalable mock test platform for JEE and NEET aspirants with real exam simulations and detailed analytics.
• Designed responsive website and dashboards for Sarthaks eConnect, improving usability and student engagement.
• Integrated RESTful APIs along with Razorpay and PayPal payment gateways for secure online transactions.
• Developed and deployed multilingual browser-based games using React for cloudz.fun, implementing internationalization
with next-intl and supporting 21 languages for global users across desktop and mobile.
• Improved application performance through lazy loading, code splitting, bundle optimization, and Lighthouse audits.

• Built and maintained 10+ dynamic websites and SaaS apps for clients in education, healthcare, and e-commerce.
• Designed mobile-friendly UIs using HTML, Bootstrap, jQuery, and PHP.
• Developed backend systems using PHP, managed databases with MySQL and phpMyAdmin.
• Integrated user management systems, admin panels, contact forms, and lead generation modules.
• Created custom content management systems (CMS) and dashboards with user roles and permissions.
• Used GitHub for version control, handled website deployments via cPanel, and automated daily database backups.