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Mobile Development
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Mobile Development

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SeijinD/README.md

George Karanikolas

Mobile Developer & Software Engineer

Portfolio LinkedIn Telegram


👋 About Me

Android Developer with 5+ years of experience delivering scalable, production-grade mobile applications. Based in Thessaloniki, Greece, I specialize in building high-performance and maintainable Android solutions using Kotlin and Jetpack Compose.

Currently contributing to Arx.Net, where I design and develop robust applications following Clean Architecture principles and modern patterns such as MVVM and MVI. I focus on delivering business value through scalable architectures, high-quality code, and user-centric mobile experiences.

Passionate about the evolving Kotlin ecosystem, I actively explore Kotlin Multiplatform (KMP) and Compose Multiplatform (CMP) to enable cross-platform innovation and shared business logic.

val george = Developer(
    name     = "George Karanikolas",
    role     = "Android Developer",
    location = "Thessaloniki, Greece",
    focuses  = listOf("Jetpack Compose", "KMP", "Clean Architecture"),
    currentlyExploring = "Kotlin Multiplatform"
)

🛠️ Tech Stack

📱 Mobile

Kotlin Android Jetpack Compose Java KMP

🔧 Architecture & Libraries

MVVM Coroutines Hilt Retrofit Room

🗄️ Backend & Databases

Firebase PostgreSQL MongoDB Python Ktor

⚙️ Tools

Android Studio Docker GitHub Actions Git


🚀 Featured Projects

Project Description Stack
FlipToWin 🎮 High-performance Jetpack Compose library for "Flip to Win" style games with Clean Architecture & UDF Kotlin 2.0 · Compose · Hilt · Coil 3
Preview Sandbox 🎨 Runtime configuration sandbox for Jetpack Compose UI environments Kotlin · Jetpack Compose
CM Free Rewards 📱 Popular app with 1k+ organic installs for daily in-game rewards Kotlin · Compose · UI/UX
Salonika News 📰 Local news app with user auth and article submissions Kotlin · Firebase · Navigation
Weather MVVM 🌤️ Clean architecture weather app consuming public REST API Kotlin · MVVM · Retrofit2 · Coroutines

📊 GitHub Stats

GitHub Streak


Profile Views

Let's build something great together → seijind.github.io

Pinned Loading

  1. FlipToWin FlipToWin Public

    Flip To Win

    Kotlin

  2. PreviewSandbox PreviewSandbox Public

    PreviewSandbox ⚙️

    Kotlin 8 1

  3. Student-IEE-IHU Student-IEE-IHU Public

    A Android App for the support and organization of the students of the Department of Information and Electronic Engineering (I.H.U.).

    Kotlin

  4. Salonika-News Salonika-News Public

    Salonika News is Android App with Kotlin and Firebase Database/Auth and Material Design.

    Kotlin

  5. KMPWebRoom KMPWebRoom Public

    Kotlin 1 1

  6. BookNGo BookNGo Public

    CodeHub Project - BookNGo

    JavaScript