Hello, I'm

I'm Yeasin Arafat

Computer Science Student & Full-Stack Developer

I build full-stack web applications with Next.js, PostgreSQL, and Drizzle ORM, and enjoy solving algorithmic problems with clean, maintainable code.

Dhaka, Bangladesh

A little about me

Curious by nature. Building with purpose.

I'm a Computer Science & Engineering student at Cumilla Polytechnic Institute, currently in my 7th semester, and a full-stack developer focused on building useful, well-structured web applications.

What I enjoy

  • Full-stack development
  • Algorithmic problem-solving
  • Database design
  • Clean architecture

I'm seeking an internship where I can apply strong engineering practices and contribute to real-world software projects.

Projects & demos

Built work and ideas in progress.

BookBazar is a completed marketplace; the other cards are demo concepts exploring useful product ideas.

BookBazar project illustrationProject illustration

BookBazar

Student marketplace

A full-stack second-hand textbook marketplace for polytechnic students, with listings filtered by category, semester, and department.

Designed a four-step QR handoff to help prevent transaction fraud, with role-based access, listing moderation, seller dashboards, and digital receipts.

Technology stack
  • Next.js
  • TypeScript
  • Neon PostgreSQL
  • Drizzle ORM
  • Clerk
CodeShare concept illustrationDemo concept

CodeShare

Demo concept

A concept for saving, organizing, and sharing reusable code snippets.

Suggested stack
  • Next.js
  • TypeScript
  • PostgreSQL
ContactVault concept illustrationDemo concept

ContactVault

Demo concept

A browser-based concept for keeping personal contacts organized.

Suggested stack
  • JavaScript
  • IndexedDB
  • Vite
TaskFlow concept illustrationDemo concept

TaskFlow

Demo concept

A lightweight kanban board concept for planning tasks across a small project team.

Suggested stack
  • React.js
  • TypeScript
  • Tailwind CSS
Tools of the trade

Technologies I work with.

Showing 20 technologies

Frontend

3 technologies

  • React.js
  • Next.js
  • Tailwind CSS

Backend

4 technologies

  • Node.js
  • Express.js
  • REST APIs
  • Next.js

Databases

3 technologies

  • PostgreSQL
  • Drizzle ORM
  • MongoDB

Programming Languages

5 technologies

  • C++
  • TypeScript
  • JavaScript
  • Python
  • SQL

Tools

5 technologies

  • Git
  • GitHub
  • Linux (Ubuntu/Arch)
  • Vercel
  • Netlify
Learning

Education.

Diploma in Engineering (Computer Science)

7th Semester

Cumilla Polytechnic Institute

Expected completion: December 2026

CGPA: 3.52 / 4.00 (expected).

Milestones

Problem-solving.

Programming Champion

Java contest winner · April 2026

Won the programming contest organized by Cumilla Polytechnic Institute.

ICPC Asia Dhaka Regional

2025 participant

Competed in the regional programming contest, solving problems collaboratively as a team.

Competitive Programming

300+ problems solved

Maximum ratings: 1015 on Codeforces and 1418 on CodeChef, with a focus on data structures and time complexity.

View profile
Communication

Languages.

  • BengaliNative
  • EnglishProfessional Working Proficiency
Get in touch

Let's make something useful.

I'm currently seeking an internship and would be glad to connect about software development opportunities, projects, or collaboration.

Or send a message

I'd be glad to hear from you.

Your name, email, and message go directly to my portfolio inbox.