Raj Shingala

Built a web-based Inventory Management System with authentication, email verification, billing, product/category/brand/profile management using React.js, Node.js, MongoDB, and Material UI. Created dashboards with Top Categories, Monthly Sales, Total Sales, and Total Bills charts. Implemented bulk product uploads via Excel imports and invoice PDF generation. Developed GST Tax Calculator to compute GST for multiple e-commerce platforms.

Integrated Stripe payment gateway, Google reCAPTCHA, added NFC card and localization support, and one-click database update feature into InfyVcard – Digital Business Card Platform. Led the development team, collaborated with QA, managed timely releases, and assisted customers with technical issues. Improved performance with server-side pagination for toShining Qualities - Wholesale Diamonds For Jewellers and Designers. Reduced invoice PDF generation time from 8 seconds to ~2 seconds using JavaScript and HTML iframe; added Thermal print feature, Delivery Challan, and Estimate/Quote modules; refactored the Settings module into Hisab-Kitab Accounting Software. Developed 30+ REST APIs for Hisab-Kitab mobile app.