Projects
Things I built to solve problems I kept running into.
Open-source tools and technical experiments, outside any company. The companies themselves are on the ventures page.
Case studies
Written up in full.
Bengali Harmful Language Dataset for AI Moderation & Safety Research
An open-source Bengali (Bangla) slang and harmful-language dataset built by Amirul Sizan to support AI moderation, NLP safety research, and Bangla content filtering systems.
Other · 3 Days
I Built a Location-Based Ramadan Time Web App
A detailed case study of how I built a Next.js-based Ramadan Time web app with automatic location detection, Sehri & Iftar timing, live countdown, and GitHub deployment — including technical challenges and engineering decisions.
Web Application · 2 Days
Building a bKash Payment Gateway for Blogger
How I built an open-source bKash payment system for Blogger without backend access. A technical breakdown of challenges, architecture, API integration, security handling, and deployment strategy for Bangladeshi websites.
API Development · 7 Days