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mr-piyushkr/README.md

Hi, I’m Piyush Kumar 👋

I’m a Full Stack Developer who enjoys building end-to-end applications — from backend APIs and databases to responsive user interfaces and Android apps.
Alongside core development, I actively explore Cloud Computing, DevOps practices, and applied Data Science & Machine Learning through real projects.

I believe in learning by building, writing clean code, and solving practical problems.

🌐 Portfolio

Portfolio

🛠️ What I Work With

👨‍💻 Programming Languages

Java Kotlin Python JavaScript SQL

🌐 Frontend Development

HTML5 CSS3 React Bootstrap

  • Flexbox, CSS Grid, Responsive UI
  • DOM Manipulation, Events
  • Promises, Async/Await
  • React Components, Props, State, Hooks

⚙️ Backend Development

Spring Boot REST API JWT

  • Spring MVC, Spring Data JPA
  • RESTful APIs, CRUD Operations
  • Authentication & Authorization
  • JWT, Role-Based Access
  • API Design & Validation

🗄️ Databases & Persistence

MySQL Hibernate

  • MySQL, SQL Queries
  • JPA / Hibernate
  • Database Design

📱 Android Development

Android Android Studio Gradle

  • Android SDK
  • Activities, Fragments, Intents
  • XML Layouts, Material Design
  • MVVM Architecture
  • ViewModel, LiveData, Room, Navigation
  • Retrofit, REST APIs
  • SharedPreferences

☁️ Cloud & DevOps

AWS Oracle Cloud Docker GitHub Actions Linux

  • AWS: EC2, S3, IAM (Basic)
  • Oracle Cloud (OCI): Compute Instances, Networking, Security Lists (Basic)
  • Dockerfiles, Images, Containers
  • CI/CD with GitHub Actions
  • Linux CLI, Bash (Basic)

📊 Data Science & Machine Learning

Pandas NumPy Scikit-learn TensorFlow PowerBI

  • Data Cleaning & EDA
  • Regression & Classification
  • ANN Models
  • Feature Engineering
  • Model Evaluation & Statistics

🧰 Tools & Practices

Git GitHub Maven Postman VS Code IntelliJ

  • SDLC, Agile Methodology
  • Debugging & Logging
  • Basic Unit Testing
  • Code Reviews

⭐ Featured Projects

🚀 Full Stack & Web

  • EchoCart – Full Stack E-Commerce Platform (AWS Deployed)
    🔗 Github: Link

    🌐 Live: Link

  • Shopping Admin Dashboard – Role-based admin UI with data management
    🔗 Github: Link

    🌐 Live: Link

📱 Android Applications

  • Foodify Android App - Food ordering app with clean UI & MVVM architecture
    🔗 Github: Link

    📦 APK: Link

  • WeatherX Android App - Weather forcast app with weather news
    🔗 Github: Link

    📦 APK: Link

📊 Data Science & ML

  • Customer Churn Prediction - End-to-end churn analysis with ML models
    🔗 Github: Link

    🌐 Live: Link

  • Smart Loan Risk Predictor - Loan default risk classification system
    🔗 Github: Link

    🌐 Live: Link

🧪DevOps & Cloud Computing

  • Task Manager (Deployed Cloud Deployed Application) – Web app hosted on Oracle Cloud Infrastructure
    (Repo will be public soon)

🎯 What I’m Focusing On

  • Building production-ready backend APIs with Spring Boot
  • Improving system design & architecture skills
  • Deploying applications using Docker & AWS
  • Writing cleaner, testable, and maintainable code

📈 GitHub Stats

🤝 Connect With Me

⭐ Thanks for visiting my GitHub. Feel free to explore my repositories and projects.

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  1. Customer-Churn-Prediction Customer-Churn-Prediction Public

    📉 Customer churn prediction using ML with interactive analysis & Streamlit app 🚀

    Jupyter Notebook

  2. EchoCart EchoCart Public

    🛒 EchoCart is a production-ready full-stack e-commerce application built with Spring Boot, featuring authentication, product, cart, orders & payments, deployed on AWS using EC2 (backend), S3 (front…

    HTML

  3. Foodify-Android-App Foodify-Android-App Public

    🍕 Complete Android food delivery app built with Java, MVVM architecture, Room database, and modern UI. Features restaurant browsing, cart management, maps integration, and seamless ordering experie…

    Java

  4. shopping-admin-dashboard shopping-admin-dashboard Public

    🛒A modern and responsive shopping admin dashboard built with React.js, featuring sales analytics, customer management UI, and a clean dark admin theme.

    JavaScript

  5. Smart-Loan-Risk-Predictor Smart-Loan-Risk-Predictor Public

    🏦 Smart Loan Risk Predictor – An end-to-end ML & Streamlit dashboard that predicts loan default probability with a modern fintech-style UI and explainable insights 🚀📊

    Jupyter Notebook

  6. SpotifyClone SpotifyClone Public

    A responsive Spotify Clone built using HTML, CSS, and JavaScript with basic music player functionality.🎶

    CSS