MALAI RAJ R

MSc Data Science Student | Full-Stack Developer

I design and build intelligent, data-driven applications that bridge the gap between user experience and powerful analytics.

View My Work

About Me

At Coimbatore Institute of Technology, I’ve found my sweet spot at the intersection of full-stack development and data science. I enjoy crafting smooth, responsive interfaces with React and Node.js, then powering them with insights uncovered from data. My goal is to build applications that not only look beautiful but also think smart. I’m constantly exploring new technologies to enhance user experience and system performance. Driven by curiosity, I strive to create solutions that are scalable, intelligent, and genuinely impactful.

Core Competencies

Data Science & ML

Python

Machine Learning

Scikit-learn

Pandas

NumPy

Power BI

Web Development

JavaScript

HTML

CSS

React

Node.js

Django

Streamlit

Databases

SQL

MongoDB

Firebase

Professional Skills

Analytical Thinking

Team Collaboration

Communication

Adaptability

Featured Projects

Spotify Data Analytics Dashboard

Built an end-to-end data pipeline to load Spotify data from CSV into MySQL using Python scripts. Performed SQL analysis on tracks, artists, genres, and audio features to uncover popularity trends.

Target: Data Analytics & Music Industry

MySQL Python Power BI Pandas

View on GitHub →

SympAI — AI-Powered Symptom Checker

AI-driven symptom checker using React, Node.js, and BERT. Predicts medical conditions in under 1.5 seconds with Firebase Authentication.

Target: Healthcare & Patients

React Node.js BERT Firebase

View on GitHub → Live Site ↗

Eunoia — Mental Wellness Web App

Full-stack Django app for journaling, sentiment analysis (NLTK VADER), and mood prediction using Ridge Regression with Plotly dashboards.

Target: Mental Health Users

Django NLTK Plotly Firestore

View on GitHub →

Moodify — React + Firebase

Music recommendation app generating personalized playlists based on mood and language. React frontend with Node.js/Express backend and Spotify API.

Target: Music Lovers

React Node.js Firebase Spotify API

View on GitHub →

Smart Mask Recommendation System

Rule-based scoring engine analyzing 6+ health and environmental factors. Flask REST APIs delivering results in under 1 second.

Target: Public Health

Python Flask REST API

View on GitHub →

Student Failure Prediction System

Supervised ML system comparing 5 models on 1,000+ records, achieving ~90% accuracy. Streamlit dashboard for real-time predictions.

Target: Educational Institutions

Python Scikit-learn XGBoost Streamlit

View on GitHub →

Digital Garden — Knowledge Management System

Next.js app inspired by Obsidian & Roam Research. Features markdown editing, wiki-style linking, knowledge graph visualization, offline sync, cloud backup via Supabase, and analytics dashboard with dark/light themes.

Target: Knowledge Workers

Next.js 14 React 18 Tailwind CSS Supabase

View on GitHub →

Shopper's Verdict — AI E-Commerce Analysis Tool

AI shopping assistant that scores products from Amazon and Flipkart, surfaces pros/cons, flags suspect reviews, and suggests better picks—all with in-page insights via a Chrome MV3 extension.

Target: Smart Shoppers & E-Commerce Platforms

Python Flask Playwright scikit-learn spaCy Chrome Extension

View on GitHub → Live Site ↗

Education

MSc Data Science

Coimbatore Institute of Technology
2023 - 2028 (Pursuing)

Higher Secondary Education

Green Valley Matriculation School
Completed in 2023

Let's Connect

I'm actively seeking new opportunities and collaborations. Feel free to reach out!