Hi, I'm Nabeel Ahsan

Performance-driven Backend Developer with experience building scalable systems for 1200+ users. Expert in Node.js, Python, and cloud deployment, achieving 60% latency reduction in production. ICPC 2025 Regionalist focused on optimized algorithms and robust API architecture.

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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

2024 – 2025

ICT Cell, JKKNIU, Mymensingh

Mymensingh, Bangladesh

Developer Info
  • Architected alumni & research platforms for 1200+ users, ensuring 99.9% uptime via NGINX
  • Developed 15+ secure REST APIs with 95% unit test coverage, reducing production bugs by 30%
  • Engineered automated transactional email systems (600+/cycle) with 99.99% delivery rate
  • Optimized SQL queries and backend logic, resulting in a 60% improvement in retrieval speeds
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
  • Integrated Sonali Bank API for automated payment synchronization and fee management
  • Developed device-level authentication using FingerprintJS to secure student dashboard access
  • Automated seat allotment, rent tracking, and administrative reporting
  • Responsive Bootstrap 5 interface with role-based access control
Live Demo

JobLinkIn – Global Job Platform

Paid Project

Global career platform enabling users to discover, apply for, and track job applications. Full-stack development with containerized deployment and automated backup systems.

Node.js React Docker NGINX MongoDB
  • Implemented Dockerized deployment with NGINX reverse proxy and automated SSL via Certbot
  • Engineered high-security API endpoints for job workflows and administrative panels
  • Built automated daily backup systems for MongoDB and user-uploaded cloud assets
  • Full-stack platform with scalable backend architecture
Live Demo GitHub

Multilingual RAG System

Personal

Production-ready chatbot for Bengali/English with Semantic Chunking and OCR capabilities. High-speed retrieval pipeline using FAISS vector store and sentence transformers.

Python FastAPI FAISS Gemini Pro Transformers
  • Built a production-ready chatbot for Bengali/English with Semantic Chunking and OCR
  • Designed high-speed retrieval pipeline using FAISS vector store and sentence transformers
  • FastAPI backend with modern multilingual document processing
  • Advanced language detection and fallback mechanisms
GitHub Live Demo

Technical Skills

Languages

C++ Python Java JavaScript PHP SQL

Backend/DB

Node.js Express.js FastAPI PHP (PDO) MySQL MongoDB FAISS

Cloud/DevOps

Docker NGINX Linux Server CI/CD Git Certbot SSL

Specialized

RAG Systems LLM Integration GPT-4o Gemini Competitive Programming

Frontend

React.js Bootstrap 5 Tailwind CSS Responsive Design

Tools

Postman GitHub FingerprintJS REST APIs

🏆 Awards & Honours

ICPC Asia Dhaka Regional 2025 Preliminary

Top 7% (Rank 150/1800+) - Team: Mama_DP_Mar

View Results

ICPC Asia Dhaka Regional 2025 Onsite

Participant - Team: Mama_DP_Mar

View Results

NeU Mymensingh Regional IUPC 2025

1st Runner-up

View Results

ICPC Asia Dhaka Regional 2024

Participant - Team: Team_Three_Dots

View Results

Education

Bachelor of Science in Computer Science and Engineering

Jatiya Kabi Kazi Nazrul Islam University

Mymensingh, Bangladesh

2022 – 2025 GPA: 3.47/4.00

Specialized in software engineering, data structures & algorithms, and web development. Active participant in competitive programming and technical projects during academic tenure.

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