Products, side projects and hackathon builds that are live or public. Each row links to the site, the code or the package.
A Function-as-a-Service platform where every function runs in its own Firecracker microVM. Restoring a warm snapshot with userfaultfd lazy paging cut cold starts from 264 ms to 25 ms (p50), and live migration moves a running function with 51 ms of downtime.
Finds mule rings, smurfing and shell accounts across a transaction graph instead of scoring one transaction at a time. A C++ REST service (Crow) runs the graph analysis with a custom red-black tree, and the React and Cytoscape.js front end lets you explore the flagged network.
A self-hosted multi-agent automation tool with 34 built-in tools and pluggable LLM providers. It runs on your own machine and is published on npm.
The e-commerce and dealer platform for an agrochemical company, built by me alone: 6 Android apps for customers, dealers, field staff and admins, 3 web apps and the API, in one TypeScript monorepo. Approved dealer orders sync into Tally ERP automatically.
A self-drive car and bike rental platform, built solo through Zexton: Next.js website, booking API, admin panel, Razorpay payments with refundable deposits, and React Native apps for customers (on Google Play) and vehicle partners.
A US insurance marketplace that compares life, Medicare, health and annuity plans from 35+ carriers, with callback requests and client sign-in. Part of my rewrite of Point Of Care Consults' legacy .NET products in TypeScript.
An AI health assistant that talks by voice or text and reads the user's expression through the camera to adjust its replies. Came second among 80+ teams in Bhilai.
Crop health monitoring from satellite imagery: a FastAPI service computes NDVI from Sentinel Hub data, and a Node.js and React dashboard turns it into farm reports.
Rule-based analytics and automatic charts for people who don’t write code. Written up as a preprint: Sahu, B. P. (2026). Kuya Cloud. Zenodo. doi:10.5281/zenodo.18803300.
At Zexton I also host and maintain 25+ client websites on Linux VPS servers: Nginx, cPanel/Plesk, SSL, DNS and business email. For Point Of Care Consults I rebuilt the company website, a member portal for client clinics and an oncology platform in TypeScript.
Four web apps for Code2Dbug in six weeks (Node.js, Express, React), plus integration fixes on two legacy projects. See the engagement history →