I’m a software engineer who likes building things, understanding how they work under the hood, and sharing what I learn along the way. I work across the full stack and enjoy teaching, writing, and growing consistently in tech.
Check out some of my recent work
A full-stack community platform for reporting, tracking, and recovering lost and found items. Built with React, Node.js, Express, and MongoDB.
Sri Lankan Handcrafts E-Commerce Platform – Full-stack app with React, Express, MongoDB & PayHere payments
ShiftTracker is a full-stack employee time tracking web application that enables employees to clock in/out of shifts, manage breaks, and track their work hours with GPS-based location verification. The app features a role-based system with an admin dashboard for workforce oversight and a personal Employee Dashboard for individual shift management.
Latest articles and insights
Three days of clustering grouped rows together. Today we tackle the opposite problem, which is too many columns. PCA is the most famous tool for shrin...
Parathan ThiyagalingamK-Means and Hierarchical clustering both assume our groups are roughly globular. But what about ring-shaped clusters? Crescent moons? Data scattered w...
Parathan ThiyagalingamK-Means demanded that we know K up front. Today's algorithm is the opposite. It builds a tree of every possible clustering, from "everything is one bi...
Parathan ThiyagalingamTechnologies I work with
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