Zain ul Arifeen Qureshi

Hi, my name is Zain Ul Arifeen Qureshi

BS AI Student & Web Developer.

I build end-to-end machine learning models, relational database systems, and responsive web applications. Passionate about solving complex problems with clean, scalable code.

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About Me

I am an Artificial Intelligence student and Web Developer focused on building end-to-end intelligent systems and clean, responsive web applications. My expertise bridges the gap between machine learning models, structured database architecture, and modern front-end user experiences. Driven by curiosity and analytical problem-solving, I enjoy taking complex technical challenges and turning them into scalable, practical software solutions.

Technical Skills

AI & Machine Learning

Python Scikit-Learn Pandas NumPy Google Colab Data Preprocessing

Databases & Systems

MySQL Relational Schema SQL Optimization ERD Modeling Database Constraints

Web Engineering

HTML5 CSS3 JavaScript CSS Grid & Flexbox Responsive Design Git & GitHub

Featured Projects

Machine Learning

Email Classification & Spam Detection Engine

An end-to-end Machine Learning pipeline built to clean, vectorize, and classify text data with high accuracy using automated preprocessing and evaluated classification algorithms.

  • Engineered an automated data preprocessing pipeline in Python using Pandas & NumPy to clean and tokenize text.
  • Trained and evaluated classification models using Scikit-Learn, achieving 90%+ classification accuracy.
  • Performed feature extraction and TF-IDF vectorization to detect predictive text patterns.
Python Scikit-Learn Pandas Colab
Repository
Database Architecture

Student Course Registration System

A robust MySQL database system engineered to manage complex relational structures between students, courses, enrollments, and prerequisites.

  • Modeled and designed a fully normalized (3NF) relational database schema using ER diagrams.
  • Wrote complex SQL queries with JOINs and aggregate functions to calculate GPAs and check capacity.
  • Enforced primary/foreign key constraints and transaction logic to eliminate double-bookings.
MySQL Relational DB SQL 3NF Schema
Repository
Web Engineering

Interactive HTML/CSS Web Showcase

A responsive web showcase built with semantic HTML5 and custom CSS3, designed to deliver a modern, high-performance visual experience across all devices.

  • Structured clean, accessible, and standards-compliant HTML5 markup for optimal SEO and readability.
  • Constructed dynamic layouts using pure CSS Flexbox and Grid without relying on heavy external frameworks.
  • Applied CSS variables, custom media queries, and fluid typography for seamless cross-device responsiveness.
HTML5 CSS3 Flexbox / Grid Responsive UI
Live Demo

Get In Touch

I'm currently looking for new opportunities, collaborative projects, and internship roles in AI and Web Engineering. Feel free to drop a message!

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