Humanizely
An AI-text detector and humanizer for bloggers, academics and content marketers. I design, build and run it end to end, from the writing tools to subscriptions on Free, Writer, Author and Studio plans.
Full-stack developer for hire · Chittagong
Joy Biswas
Full-stack & backend engineer who loves hard problems.
I build web apps and APIs with React, Next.js, Node and NestJS. I'm a CS student at Premier University, Chittagong, and I most recently worked as a backend developer intern at 6SenseHQ.
Chittagong, BD
09:41 local time
aka TerminalWarlord
- problems solved on LeetCode
- 1,156+
- LeetCode contest rating
- 1858
- products, projects and a published dataset
- 6
- backend intern, May – Sep 2026
- 6SenseHQ
01 / Projects
Selected work
A full-stack app that collects and tracks electronics prices across Bangladeshi online retailers. The data it gathered later became a published dataset.
A directory for Telegram bots, channels and groups, with a full-stack JWT-authenticated backend.
Upcoming Codeforces, CodeChef and LeetCode contests in one list, with platform filters and bookmarks.
A walk-through 3D store with elevators, a reception, petrol pumps, shelves, lighting and textures.
Users, departments, courses and sessions managed in one place, backed by MySQL.
02 / Research
Research & data
Published datasets that came out of my projects.
DatasetMendeley Data · Elsevier
PriceLens: electronics prices from Bangladeshi online retailers
An open dataset of electronics prices collected by the PriceLens app from four Bangladeshi online retailers, published on Mendeley Data by Elsevier.
DOI 10.17632/jvkn4hsjgp.1
View dataset ↗03 / Skills
My toolbox
What I reach for day to day. Most of my time goes into TypeScript on the server.
Backend
Node.js, NestJS, Express, MongoDB, Mongoose, MySQL, Laravel
Frontend
React, Next.js, Tailwind CSS
Languages
TypeScript, JavaScript, C++, PHP
Deploy & ops
Cloudflare Pages, VPS, nginx, PM2, JWT auth
04 / Experience
Where I've been
May 2026 — Sep 2026
Backend Developer Intern · 6SenseHQ
Built the leave management module of the company's HR system: API design, business logic and data models in NestJS, TypeScript and MongoDB.
2020 — Present
BSc in Computer Science · Premier University
Data structures and algorithms, networks, databases, OOP, machine learning and AI.
2017 — 2019
HSC, Science · Bakalia Government College
A strong grounding in mathematics and analytical thinking.
05 / Problem solving
Competitive programming
Where I learned to think in edge cases. Ratings as of October 2026.
06 / Contact
Let's build something together.
Internships, freelance work or just a good problem. I read everything and reply within a couple of days.