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harinarayanan2005/README.md

👋 Hello, I'm Harinarayanan N

Typing SVG

🚀 About Me

🎓 Computer Science and Engineering graduate with a strong foundation in software development, web technologies, databases, machine learning, and cloud computing.

💻 I enjoy transforming ideas into practical, reliable, and user-focused applications while continuously expanding my full-stack and cloud knowledge.

🧠 My interests include Software Development, Machine Learning, Explainable AI, Cloud Computing, Data Engineering, and Full-Stack Development.

☁️ Currently strengthening my hands-on skills with AWS, Azure, Linux, Docker, databases, and modern web technologies.

"Learn → Build → Break → Fix → Improve → Repeat."


🛠️ Tech Stack

💻 Programming

🌐 Backend & Databases

Technologies: JDBC REST APIs PreparedStatement MySQL PostgreSQL Django REST Framework

🤖 Data Science & Machine Learning

Pandas • NumPy • Scikit-learn • Matplotlib • Seaborn • SHAP • LIME

☁️ Cloud & DevOps

AWS • Microsoft Azure • Docker • Linux • Git • GitHub • CI/CD

⚛️ Frontend

React • HTML5 • CSS3 • Modern Web Development


🔥 Featured Projects

🌱 Agro Decision Lab

Explainable AI Crop Recommendation System

An interpretable machine learning system designed to recommend suitable crops using soil nutrients and historical yield information.

✨ Highlights

  • 🌾 Crop recommendation using machine learning
  • 📊 Data preprocessing and model evaluation
  • 🎯 99.73% benchmark classification accuracy
  • 🔍 Model explainability using SHAP & LIME
  • 🧠 Focus on interpretable and responsible AI

Tech: Python Pandas NumPy Scikit-learn SHAP LIME


🏦 Banking Management System

Java + MySQL Banking Application

A secure console-based banking application developed using Java, MySQL, and JDBC.

✨ Features

  • 🔐 User authentication
  • 💰 Deposit functionality
  • 💸 Withdrawal functionality
  • 💳 Balance validation
  • 🗄️ MySQL database integration
  • 🛡️ PreparedStatement-based database queries

Tech: Java MySQL JDBC PreparedStatement


☁️ Azure Cloud Deployment & AI Solutions

A cloud-focused project involving Microsoft Azure infrastructure, resource groups, storage, and responsible AI evaluation workflows.

✨ Areas Covered

  • ☁️ Azure cloud infrastructure
  • 📦 Resource group management
  • 💾 Cloud storage
  • 🤖 AI solution integration
  • 🧠 Responsible AI evaluation

Tech: Microsoft Azure Cloud Computing AI


💰 FinTrack

Enterprise-Grade Full-Stack Financial Platform

A full-stack financial platform built with a modern architecture for managing financial data and budgeting workflows.

✨ Highlights

  • ⚛️ React 19 frontend
  • 🐍 Django REST Framework backend
  • 🐘 PostgreSQL database
  • 🔢 IEEE-754 float-safe fixed-point ledger calculations
  • 📊 Dynamic SQL-level budget utilization
  • 🧾 Client-side OCR receipt parsing using Tesseract.js
  • 🔄 Automated recurring billing
  • 🔐 JWT-based multi-tenant data isolation

Tech: React 19 Django REST Framework PostgreSQL JWT Tesseract.js


☁️ Cloud Journey

                         ☁️ CLOUD JOURNEY
                               │
              ┌────────────────┴────────────────┐
              │                                 │
           AWS ☁️                           Azure ☁️
              │                                 │
       ┌──────┼──────┐                   ┌──────┼──────┐
       │      │      │                   │      │      │
      EC2    S3     IAM              Compute  Storage  AI
       │      │      │                   │      │
       └──────┼──────┘                   └──────┼──────┘
              │                                 │
              └──────────────┬──────────────────┘
                             │
                         🚀 BUILD
                             │
                         📈 LEARN
                             │
                         🔧 DEPLOY

🧠 Core Competencies

Area Skills
💻 Programming Java, Python, C++, SQL
🌐 Web HTML, CSS, React
🔙 Backend Django REST, JDBC, REST APIs
🗄️ Databases MySQL, PostgreSQL
🤖 AI / ML Scikit-learn, SHAP, LIME
📊 Data Pandas, NumPy, Matplotlib, Seaborn
☁️ Cloud AWS, Microsoft Azure
🐳 DevOps Docker, Linux, Git, GitHub, CI/CD
🔐 Security Authentication, JWT, PreparedStatement
🛠️ Tools VS Code, Eclipse, Jupyter, MySQL Workbench

🏆 Achievements & Certifications

🏅 Microsoft Certified: Azure Fundamentals — AZ-900

☁️ Oracle Cloud Infrastructure 2025 Foundations Associate

📋 Google Project Management Certificate

🎯 99.73% benchmark classification accuracy achieved with the Explainable AI Crop Recommendation project.

💡 Data Science Internship experience at Techvolt Software Pvt. Ltd., Coimbatore.


💼 Internship

📊 Data Science Intern — Techvolt Software Pvt. Ltd.

July 2024 | Coimbatore

During my internship, I worked with:

  • 🐍 Python programming
  • 🐼 Pandas & NumPy
  • 🧹 Data cleaning and preprocessing
  • 🔎 Exploratory Data Analysis
  • 📊 Matplotlib & Seaborn
  • 🤖 Machine learning model evaluation
  • 👥 Collaborative development workflows

📊 GitHub Analytics


🔥 Contribution Streak


🐍 Contribution Activity

GitHub Contribution Snake Animation

🎯 Currently Learning

☁️ AWS Cloud & Infrastructure
🔐 IAM & Cloud Security
🗄️ SQL & Database Engineering
🐧 Linux & Server Administration
🐳 Docker & DevOps
⚛️ React & Full-Stack Development
🤖 Machine Learning & Explainable AI
🌐 REST API Development

🚀 My Development Philosophy

💡 Learn the concept

↓

🔨 Build something practical

↓

🐛 Debug & understand the problem

↓

🚀 Deploy

↓

📈 Improve continuously


🌐 Connect With Me


⭐ Thanks for visiting my profile!

Let's build something impactful together. 🚀

Pinned Loading

  1. 2048_NEON 2048_NEON Public

    An atmospheric, sensory-rich 2048 puzzle game built with Vanilla JS. Features 8 dynamic living themes, procedural Web Audio radio (featuring "Experience" piano arpeggios), 30 achievements, 1-click …

    JavaScript

  2. agro-decision-lab agro-decision-lab Public

    Full-Stack AI Decision Intelligence & Agricultural Advisory Platform featuring ML Crop Profit Planning, Vision-based Disease Diagnosis, Fertilizer Balancing, Blockchain Supply Chain Provenance & Ge…

    JavaScript

  3. Banking-Management-System Banking-Management-System Public

    Java JDBC MySQL Banking App - Account Creation, PIN Login, Deposit/Withdraw

    Java

  4. CODE_INVADERS CODE_INVADERS Public

    Cyberpunk terminal typing defense game with multi-phase bosses, custom code token packs, procedural audio synthesizer, and zero external dependencies.

    JavaScript

  5. PyTasker PyTasker Public

    Python-based task management and productivity application with JSON storage, task tracking, search, filtering, analytics, CSV export, and backup support.

    Python

  6. fintrack-fullstack fintrack-fullstack Public

    Modern, full-stack personal finance and wealth management platform with React 19, Django REST Framework, PostgreSQL, and AI financial advisory.

    JavaScript