AI-powered real-time scam detection for banks

Mastercard's Consumer Fraud Risk (CFR) solution uses AI to score transactions in real-time across both sending and receiving banks, detecting scam payments before funds leave the victim's account. Deployed across UK banks with a 60% improvement in identifying high-risk mule accounts. Now expanding globally.

Privacy-first personal finance app for Android

A fully offline expense tracker with smart SMS detection, AES-256 encrypted backups, budgeting, and multi-currency support. Zero tracking, zero analytics, zero cloud — all data stays on your device.

India's Central Bank Digital Currency backend

Built distributed system components for India's CBDC at NPCI. The Digital Rupee facilitates fast, efficient transactions and promotes financial inclusion as a secure, regulated digital alternative to physical cash.

AES-256-CBC & RSA encryption library for Node.js

A simple, tested library to encrypt and decrypt strings using AES-256-CBC and RSA. Works in Node.js, TypeScript, and browsers. Tested with Angular and React.

Backend powering Hotstar, SonyLIV, F1, and more

End-to-end video platform from content management to front-end app management. Powers digital video businesses globally. Holds the world record for highest user concurrency for a video streaming event.

OTT platform for Telus, powered by AVS

Developed new features and APIs for Telus's OTT platform. Worked on ElasticSearch templates for data retrieval, deployed on GCP and OpenShift with Splunk observability.

Automated certificate generation for community events

Portal for generating, distributing, and verifying event certificates with configurable templates. Backend in Node.js + MongoDB. Integrated with custom Email APIs for automatic delivery.

Anonymous cross-platform group chat

Chat app with nickname-based registration and private groups. Push notifications via FCM, configurable message history, and three-tier access control.

IoT environmental monitoring for agriculture

IoT device system for monitoring greenhouse environmental conditions at an agricultural university. Published in IEEE.

Centralized email service for community ops

Email APIs built with FastAPI and SMTP for community use. CORS protection, API key-based access, and activity logging.