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Hi, I'm Nabeel Ahsan

Backend Developer & Competitive Programmer with expertise in Node.js, Python, and building scalable web applications.

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About Me

I'm a passionate Backend Developer and Competitive Programmer currently working at ICT Cell, Jatiya Kabi Kazi Nazrul Islam University. With a strong foundation in computer science and hands-on experience in building scalable web applications, I've successfully deployed platforms serving over 1200+ users.

My journey in competitive programming has shaped my problem-solving skills, having solved 1500+ problems across various platforms with a max rating of 1424 (Specialist) on Codeforces. I've participated in prestigious contests including ICPC Asia Dhaka Regional and achieved 1st Runner-up in NeU Mymensingh Regional IUPC 2025.

1200+ Users Served
15+ REST APIs Built
1500+ Problems Solved
60% Performance Improved
Nabeel Ahsan

Experience

Backend Developer

Dec. 2024 – Dec. 2025

ICT Cell, Jatiya Kabi Kazi Nazrul Islam University

Mymensingh, Bangladesh

  • Built and deployed alumni & research platforms for 1200+ users
  • Developed 15+ secure REST APIs with 95% test coverage
  • Automated 600+ transactional emails with 99.99% success rate
  • Improved backend performance by 60% via database and code optimizations
  • Implemented and deployed live platforms:
Research Center Platform researchcenter.jkkniu.edu.bd CSE Alumni Platform csealumni.jkkniu.edu.bd

Featured Projects

Hall Management System – JKKNIU

Paid Project

Full-stack Hall Management System for JKKNIU to automate seat allotment, rent tracking, student information, and reporting with role-based access and device authentication.

PHP MySQL Bootstrap 5 FPDF FingerprintJS
  • Sonali Bank API integration for automated payments
  • PDF report generation for analytics
  • Responsive Bootstrap 5 interface
  • Secure dashboard with role-based access
Live Demo

JobLinkIn – Global Job Platform

Paid Project

Comprehensive job and career support platform for a startup client, enabling users to discover, apply for, and track job applications with scalable backend architecture.

Node.js Express.js React.js MongoDB Docker
  • Scalable backend with secure API endpoints
  • Docker deployment with NGINX reverse proxy
  • Automated SSL with Certbot
  • MongoDB backup automation
Live Demo GitHub

Multilingual RAG System

Open Source

Production-ready RAG system supporting Bengali and English documents with intelligent document chunking, OCR fallback, and advanced language detection pipelines.

Python FastAPI FAISS Google Gemini GPT-4o-mini
  • FAISS vector store with multilingual transformers
  • FastAPI backend with modern UI
  • Fallback LLM pipeline
  • OCR and language detection
GitHub Live Demo

Technical Skills

Languages

C++ Python Java JavaScript PHP

Frontend

React.js Tailwind CSS Bootstrap 5

Backend

Node.js Express.js FastAPI PHP (PDO) REST APIs

Database

MySQL MongoDB H2 Database

Tools & DevOps

Git GitHub Docker NGINX Postman Linux Server

AI & LLM

Google Gemini GPT-4o-mini RAG Systems FAISS

🏆 Awards & Honours

NeU Mymensingh Regional IUPC 2025

1st Runner-up (Team: Mama DP Mar)

ICPC Asia Dhaka Regional Contest 2024

Participant (Team: Team Three Dots)

National Collegiate Programming Contest 2023

Participant (Team: Team No Name)

Get In Touch

Let's Work Together

I'm always interested in new opportunities and exciting projects. Whether you have a question or just want to say hi, I'll try my best to get back to you!

Email

nabeelahsanofficial@gmail.com

Phone

+880 1797 191806

Location

Dhaka, Bangladesh