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sukhmmeet/README.md

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> whoami

data class Developer(
    val name: String        = "Sukhmeet Singh Dhaliwal",
    val role: String        = "Android + Backend Developer",
    val location: String    = "India 🇮🇳",
    val focus: List<String> = listOf(
        "Scalable Spring Boot APIs",
        "Secure JWT & OAuth2 Auth",
        "Clean Android Architecture",
        "AI-Powered Applications"
    ),
    val currentlyLearning: String = "System Design & Backend Architecture",
    val funFact: String     = "I encrypt my passwords... and my personality 🔐"
)

🚀 Projects

🧠 NoteMind AI

Intelligent AI-Powered Notes System

A full-stack note-taking platform where AI meets security. Every note is user-scoped, every endpoint is locked down, and every insight is AI-generated.

Stack: Spring Boot Spring Security JWT PostgreSQL Android Jetpack Compose

Highlights:

  • 🔐 JWT-secured REST APIs
  • 🤖 AI-powered note processing
  • 📱 Native Android frontend
  • 🗄️ User-isolated data architecture

🏥 Hospital Management System

Secure Healthcare Backend Platform

Role-based healthcare system with multi-provider OAuth2 login and fine-grained access control — built for real-world compliance needs.

Stack: Spring Boot Spring Security JWT OAuth2 REST APIs

Highlights:

  • 🔑 Google & GitHub OAuth2 login
  • 🛡️ Role-based access control (RBAC)
  • 📋 Doctor / Patient / Admin roles
  • 🗂️ Structured DB schema

🔐 Password Manager App

Client-Side Encrypted Vault

Zero-knowledge password manager. Your master password never leaves your device — AES-256 GCM encryption with PBKDF2 key derivation.

Stack: Android AES-256 GCM PBKDF2 Kotlin

Highlights:

  • 🔒 Client-side encryption only
  • 🗝️ PBKDF2 key stretching
  • 🚫 Zero plaintext storage

📰 Offline News App  |  💸 Expense Tracker

Offline-First Android Apps

News App: API integration + Room DB caching for seamless offline reading.

Expense Tracker: Local-first financial management with income, expenses, and visual insights.

Stack: Android Room DB Retrofit Kotlin MVVM

Highlights:

  • 📶 Offline-first architecture
  • 📊 Financial analytics
  • ⚡ Efficient local caching

⚙️ Tech Stack

📱 Android & Mobile

Android Jetpack Compose Kotlin Room DB

⚙️ Backend

Spring Boot Spring Security REST API Java

🔐 Security & Auth

JWT OAuth2 AES-256

🗄️ Databases & Tools

PostgreSQL MySQL Firebase Git Linux Postman

🧠 Languages

Kotlin Java C++ C

📊 GitHub Stats

🎯 Currently Building

[▓▓▓▓▓▓▓▓▓░]  Scalable Spring Boot Microservices
[▓▓▓▓▓▓▓▓░░]  Advanced JWT & OAuth2 Auth Flows
[▓▓▓▓▓▓▓░░░]  Clean Architecture Android Apps
[▓▓▓▓▓▓░░░░]  AI-Powered App Integrations
[▓▓▓▓▓░░░░░]  System Design Fundamentals

💬 Philosophy

"Security isn't a feature — it's the foundation."

Open to: Collaborations • Freelance • Backend/Android Roles

Pinned Loading

  1. NoteMind-AI NoteMind-AI Public

    NoteMind AI is an AI-powered notes platform currently under development for capturing, organizing, and enhancing knowledge. Built with Android (Jetpack Compose) and Spring Boot, it focuses on secur…

    Java

  2. Hospital-Management-System-SpringBoot-Backend Hospital-Management-System-SpringBoot-Backend Public

    Secure Hospital Management System Backend built with Spring Boot featuring JWT Authentication, OAuth2 Login, RBAC, DTO architecture, and JPA relationships.

    Java

  3. Password-Manager Password-Manager Public

    Secure Android password manager with Firebase auth. Store, encrypt, and manage credentials safely. Features auto-login, offline access, and clean UI. Built with modern architecture for learning and…

    Kotlin

  4. Expense-Tracker-Android-App Expense-Tracker-Android-App Public

    Expense Tracker App for Android to record and manage daily expenses & income. View history, category-wise summaries, and monthly reports. Built with Kotlin, Room DB, and MVVM for a simple, offline-…

    Kotlin

  5. Offline-News-Android-App Offline-News-Android-App Public

    Built a modern Android News App with offline support using Room and smooth scrolling via Paging 3. Follows MVVM architecture and uses Retrofit for API integration with a fully Compose-based UI.

    Kotlin

  6. Weather-Android-App Weather-Android-App Public

    Weather is a modern Android app built with Kotlin and Jetpack Compose that shows current, hourly, and daily forecasts. It uses a geocoding API for location handling and a weather API for accurate f…

    Kotlin