Developed a Retail Billing application similar to Vyapar, with a built-in loan request feature where users can apply for credit evaluated against company-defined business logic and eligibility criteria.
Engineered the React Native mobile app and a React-based admin portal for the Retail Billing product end-to-end, covering both the customer-facing side and internal management.
Built a Training Management Portal from scratch for the training head to track employee scores, evaluations, attendance, and progress all in one place.

Developed and maintained scalable web applications using React.js and Node.js, contributing to improved user engagement and platform reliability.
Ran unit and integration tests to catch bugs early, which noticeably improved system stability over the internship period.
Optimized performance and ensured the apps looked and worked well across different devices and browsers.