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Android & KMP Engineer
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Android & KMP Engineer
73 followers · 146 following

Achievements

Achievement: Pull Sharkx2Achievement: Pair ExtraordinaireAchievement: Public SponsorAchievement: Arctic Code Vault Contributor

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SeijinD/README.md

George Karanikolas

Android & KMP Engineer

PortfolioLinkedInTelegram

👋 About Me

Android & KMP Engineer with 6+ 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 & KMP Engineer",
location ="Thessaloniki, Greece",
focuses =listOf("Kotlin", JetpackCompose", "KMP", "CleanArchitecture", "Ktor"), currentlyExploring = "KotlinMultiplatform")

🛠️ Tech Stack

📱 Mobile

KotlinAndroidJetpack ComposeJavaKMP

🔧 Architecture & Libraries

MVVMCoroutinesHiltRetrofitRoom

🗄️ Backend & Databases

FirebasePostgreSQLMongoDBPythonKtor

⚙️ Tools

Android StudioDockerGitHub ActionsGit

🚀 Featured Projects

ProjectDescriptionStack
FlipToWin🎮 High-performance Jetpack Compose library for "Flip to Win" style games with Clean Architecture & UDFKotlin 2.0 · Compose · Hilt · Coil 3
PreviewSandbox🎨 Runtime configuration sandbox for Jetpack Compose UI environmentsKotlin · Jetpack Compose
StringSmith🔧 Android Studio plugin to extract hardcoded strings, detect duplicates, and flag unused resources — without leaving the editorKotlin · IntelliJ Platform · Android Studio
KMPWebRoom🌐 Room 3 database running in the browser via Kotlin/Wasm and SQLite OPFS persistent storageKMP · Compose Multiplatform · Room 3 · Wasm
Student IEE-IHU🎓 Android app for student support at IEE-IHU, built as thesis projectKotlin · Firebase · MVVM · Room
CM Free Rewards📱 Popular app with 1k+ organic installs for daily in-game rewardsKotlin · Compose · UI/UX

📊 GitHub Stats

GitHub Streak

Profile Views

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

Pinned Loading

  1. FlipToWinFlipToWinPublic

    Flip To Win

    Kotlin

  2. PreviewSandboxPreviewSandboxPublic

    PreviewSandbox ⚙️

    Kotlin 9

  3. Student-IEE-IHUStudent-IEE-IHUPublic

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

    Kotlin

  4. KMPWebRoomKMPWebRoomPublic

    Kotlin 1 1

  5. StringSmithStringSmithPublic

    StringSmith - Android Strings Toolkit

    Kotlin

  6. BookNGoBookNGoPublic

    CodeHub Project - BookNGo

    JavaScript

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all \u003cpre\u003e\u003ccode\u003e blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks"); } } catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); } })(); (function(){ try { var __m = "github.com"; var __re = new RegExp('^' + "github\\.com" + '
Skip to content
View SeijinD's full-sized avatar
🎯
Android & KMP Engineer
🎯
Android & KMP Engineer
73 followers · 146 following

Achievements

Achievement: Pull Sharkx2Achievement: Pair ExtraordinaireAchievement: Public SponsorAchievement: Arctic Code Vault Contributor

Achievements

Achievement: Pull Sharkx2Achievement: Pair ExtraordinaireAchievement: Public SponsorAchievement: Arctic Code Vault Contributor

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SeijinD/README.md

George Karanikolas

Android & KMP Engineer

PortfolioLinkedInTelegram

👋 About Me

Android & KMP Engineer with 6+ 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 & KMP Engineer",
location ="Thessaloniki, Greece",
focuses =listOf("Kotlin", JetpackCompose", "KMP", "CleanArchitecture", "Ktor"), currentlyExploring = "KotlinMultiplatform")

🛠️ Tech Stack

📱 Mobile

KotlinAndroidJetpack ComposeJavaKMP

🔧 Architecture & Libraries

MVVMCoroutinesHiltRetrofitRoom

🗄️ Backend & Databases

FirebasePostgreSQLMongoDBPythonKtor

⚙️ Tools

Android StudioDockerGitHub ActionsGit

🚀 Featured Projects

ProjectDescriptionStack
FlipToWin🎮 High-performance Jetpack Compose library for "Flip to Win" style games with Clean Architecture & UDFKotlin 2.0 · Compose · Hilt · Coil 3
PreviewSandbox🎨 Runtime configuration sandbox for Jetpack Compose UI environmentsKotlin · Jetpack Compose
StringSmith🔧 Android Studio plugin to extract hardcoded strings, detect duplicates, and flag unused resources — without leaving the editorKotlin · IntelliJ Platform · Android Studio
KMPWebRoom🌐 Room 3 database running in the browser via Kotlin/Wasm and SQLite OPFS persistent storageKMP · Compose Multiplatform · Room 3 · Wasm
Student IEE-IHU🎓 Android app for student support at IEE-IHU, built as thesis projectKotlin · Firebase · MVVM · Room
CM Free Rewards📱 Popular app with 1k+ organic installs for daily in-game rewardsKotlin · Compose · UI/UX

📊 GitHub Stats

GitHub Streak

Profile Views

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

Pinned Loading

  1. FlipToWinFlipToWinPublic

    Flip To Win

    Kotlin

  2. PreviewSandboxPreviewSandboxPublic

    PreviewSandbox ⚙️

    Kotlin 9

  3. Student-IEE-IHUStudent-IEE-IHUPublic

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

    Kotlin

  4. KMPWebRoomKMPWebRoomPublic

    Kotlin 1 1

  5. StringSmithStringSmithPublic

    StringSmith - Android Strings Toolkit

    Kotlin

  6. BookNGoBookNGoPublic

    CodeHub Project - BookNGo

    JavaScript

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix"); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content
View SeijinD's full-sized avatar
🎯
Android & KMP Engineer
🎯
Android & KMP Engineer
73 followers · 146 following

Achievements

Achievement: Pull Sharkx2Achievement: Pair ExtraordinaireAchievement: Public SponsorAchievement: Arctic Code Vault Contributor

Achievements

Achievement: Pull Sharkx2Achievement: Pair ExtraordinaireAchievement: Public SponsorAchievement: Arctic Code Vault Contributor

Block or report SeijinD

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SeijinD/README.md

George Karanikolas

Android & KMP Engineer

PortfolioLinkedInTelegram

👋 About Me

Android & KMP Engineer with 6+ 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 & KMP Engineer",
location ="Thessaloniki, Greece",
focuses =listOf("Kotlin", JetpackCompose", "KMP", "CleanArchitecture", "Ktor"), currentlyExploring = "KotlinMultiplatform")

🛠️ Tech Stack

📱 Mobile

KotlinAndroidJetpack ComposeJavaKMP

🔧 Architecture & Libraries

MVVMCoroutinesHiltRetrofitRoom

🗄️ Backend & Databases

FirebasePostgreSQLMongoDBPythonKtor

⚙️ Tools

Android StudioDockerGitHub ActionsGit

🚀 Featured Projects

ProjectDescriptionStack
FlipToWin🎮 High-performance Jetpack Compose library for "Flip to Win" style games with Clean Architecture & UDFKotlin 2.0 · Compose · Hilt · Coil 3
PreviewSandbox🎨 Runtime configuration sandbox for Jetpack Compose UI environmentsKotlin · Jetpack Compose
StringSmith🔧 Android Studio plugin to extract hardcoded strings, detect duplicates, and flag unused resources — without leaving the editorKotlin · IntelliJ Platform · Android Studio
KMPWebRoom🌐 Room 3 database running in the browser via Kotlin/Wasm and SQLite OPFS persistent storageKMP · Compose Multiplatform · Room 3 · Wasm
Student IEE-IHU🎓 Android app for student support at IEE-IHU, built as thesis projectKotlin · Firebase · MVVM · Room
CM Free Rewards📱 Popular app with 1k+ organic installs for daily in-game rewardsKotlin · Compose · UI/UX

📊 GitHub Stats

GitHub Streak

Profile Views

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

Pinned Loading

  1. FlipToWinFlipToWinPublic

    Flip To Win

    Kotlin

  2. PreviewSandboxPreviewSandboxPublic

    PreviewSandbox ⚙️

    Kotlin 9

  3. Student-IEE-IHUStudent-IEE-IHUPublic

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

    Kotlin

  4. KMPWebRoomKMPWebRoomPublic

    Kotlin 1 1

  5. StringSmithStringSmithPublic

    StringSmith - Android Strings Toolkit

    Kotlin

  6. BookNGoBookNGoPublic

    CodeHub Project - BookNGo

    JavaScript

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length \u003e 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms"); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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View SeijinD's full-sized avatar
🎯
Android & KMP Engineer
🎯
Android & KMP Engineer
73 followers · 146 following

Achievements

Achievement: Pull Sharkx2Achievement: Pair ExtraordinaireAchievement: Public SponsorAchievement: Arctic Code Vault Contributor

Achievements

Achievement: Pull Sharkx2Achievement: Pair ExtraordinaireAchievement: Public SponsorAchievement: Arctic Code Vault Contributor

Block or report SeijinD

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SeijinD/README.md

George Karanikolas

Android & KMP Engineer

PortfolioLinkedInTelegram

👋 About Me

Android & KMP Engineer with 6+ 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 & KMP Engineer",
location ="Thessaloniki, Greece",
focuses =listOf("Kotlin", JetpackCompose", "KMP", "CleanArchitecture", "Ktor"), currentlyExploring = "KotlinMultiplatform")

🛠️ Tech Stack

📱 Mobile

KotlinAndroidJetpack ComposeJavaKMP

🔧 Architecture & Libraries

MVVMCoroutinesHiltRetrofitRoom

🗄️ Backend & Databases

FirebasePostgreSQLMongoDBPythonKtor

⚙️ Tools

Android StudioDockerGitHub ActionsGit

🚀 Featured Projects

ProjectDescriptionStack
FlipToWin🎮 High-performance Jetpack Compose library for "Flip to Win" style games with Clean Architecture & UDFKotlin 2.0 · Compose · Hilt · Coil 3
PreviewSandbox🎨 Runtime configuration sandbox for Jetpack Compose UI environmentsKotlin · Jetpack Compose
StringSmith🔧 Android Studio plugin to extract hardcoded strings, detect duplicates, and flag unused resources — without leaving the editorKotlin · IntelliJ Platform · Android Studio
KMPWebRoom🌐 Room 3 database running in the browser via Kotlin/Wasm and SQLite OPFS persistent storageKMP · Compose Multiplatform · Room 3 · Wasm
Student IEE-IHU🎓 Android app for student support at IEE-IHU, built as thesis projectKotlin · Firebase · MVVM · Room
CM Free Rewards📱 Popular app with 1k+ organic installs for daily in-game rewardsKotlin · Compose · UI/UX

📊 GitHub Stats

GitHub Streak

Profile Views

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

Pinned Loading

  1. FlipToWinFlipToWinPublic

    Flip To Win

    Kotlin

  2. PreviewSandboxPreviewSandboxPublic

    PreviewSandbox ⚙️

    Kotlin 9

  3. Student-IEE-IHUStudent-IEE-IHUPublic

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

    Kotlin

  4. KMPWebRoomKMPWebRoomPublic

    Kotlin 1 1

  5. StringSmithStringSmithPublic

    StringSmith - Android Strings Toolkit

    Kotlin

  6. BookNGoBookNGoPublic

    CodeHub Project - BookNGo

    JavaScript

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links"); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + '
Skip to content
View SeijinD's full-sized avatar
🎯
Android & KMP Engineer
🎯
Android & KMP Engineer
73 followers · 146 following

Achievements

Achievement: Pull Sharkx2Achievement: Pair ExtraordinaireAchievement: Public SponsorAchievement: Arctic Code Vault Contributor

Achievements

Achievement: Pull Sharkx2Achievement: Pair ExtraordinaireAchievement: Public SponsorAchievement: Arctic Code Vault Contributor

Block or report SeijinD

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SeijinD/README.md

George Karanikolas

Android & KMP Engineer

PortfolioLinkedInTelegram

👋 About Me

Android & KMP Engineer with 6+ 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 & KMP Engineer",
location ="Thessaloniki, Greece",
focuses =listOf("Kotlin", JetpackCompose", "KMP", "CleanArchitecture", "Ktor"), currentlyExploring = "KotlinMultiplatform")

🛠️ Tech Stack

📱 Mobile

KotlinAndroidJetpack ComposeJavaKMP

🔧 Architecture & Libraries

MVVMCoroutinesHiltRetrofitRoom

🗄️ Backend & Databases

FirebasePostgreSQLMongoDBPythonKtor

⚙️ Tools

Android StudioDockerGitHub ActionsGit

🚀 Featured Projects

ProjectDescriptionStack
FlipToWin🎮 High-performance Jetpack Compose library for "Flip to Win" style games with Clean Architecture & UDFKotlin 2.0 · Compose · Hilt · Coil 3
PreviewSandbox🎨 Runtime configuration sandbox for Jetpack Compose UI environmentsKotlin · Jetpack Compose
StringSmith🔧 Android Studio plugin to extract hardcoded strings, detect duplicates, and flag unused resources — without leaving the editorKotlin · IntelliJ Platform · Android Studio
KMPWebRoom🌐 Room 3 database running in the browser via Kotlin/Wasm and SQLite OPFS persistent storageKMP · Compose Multiplatform · Room 3 · Wasm
Student IEE-IHU🎓 Android app for student support at IEE-IHU, built as thesis projectKotlin · Firebase · MVVM · Room
CM Free Rewards📱 Popular app with 1k+ organic installs for daily in-game rewardsKotlin · Compose · UI/UX

📊 GitHub Stats

GitHub Streak

Profile Views

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

Pinned Loading

  1. FlipToWinFlipToWinPublic

    Flip To Win

    Kotlin

  2. PreviewSandboxPreviewSandboxPublic

    PreviewSandbox ⚙️

    Kotlin 9

  3. Student-IEE-IHUStudent-IEE-IHUPublic

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

    Kotlin

  4. KMPWebRoomKMPWebRoomPublic

    Kotlin 1 1

  5. StringSmithStringSmithPublic

    StringSmith - Android Strings Toolkit

    Kotlin

  6. BookNGoBookNGoPublic

    CodeHub Project - BookNGo

    JavaScript

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default"); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content
View SeijinD's full-sized avatar
🎯
Android & KMP Engineer
🎯
Android & KMP Engineer
73 followers · 146 following

Achievements

Achievement: Pull Sharkx2Achievement: Pair ExtraordinaireAchievement: Public SponsorAchievement: Arctic Code Vault Contributor

Achievements

Achievement: Pull Sharkx2Achievement: Pair ExtraordinaireAchievement: Public SponsorAchievement: Arctic Code Vault Contributor

Block or report SeijinD

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SeijinD/README.md

George Karanikolas

Android & KMP Engineer

PortfolioLinkedInTelegram

👋 About Me

Android & KMP Engineer with 6+ 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 & KMP Engineer",
location ="Thessaloniki, Greece",
focuses =listOf("Kotlin", JetpackCompose", "KMP", "CleanArchitecture", "Ktor"), currentlyExploring = "KotlinMultiplatform")

🛠️ Tech Stack

📱 Mobile

KotlinAndroidJetpack ComposeJavaKMP

🔧 Architecture & Libraries

MVVMCoroutinesHiltRetrofitRoom

🗄️ Backend & Databases

FirebasePostgreSQLMongoDBPythonKtor

⚙️ Tools

Android StudioDockerGitHub ActionsGit

🚀 Featured Projects

ProjectDescriptionStack
FlipToWin🎮 High-performance Jetpack Compose library for "Flip to Win" style games with Clean Architecture & UDFKotlin 2.0 · Compose · Hilt · Coil 3
PreviewSandbox🎨 Runtime configuration sandbox for Jetpack Compose UI environmentsKotlin · Jetpack Compose
StringSmith🔧 Android Studio plugin to extract hardcoded strings, detect duplicates, and flag unused resources — without leaving the editorKotlin · IntelliJ Platform · Android Studio
KMPWebRoom🌐 Room 3 database running in the browser via Kotlin/Wasm and SQLite OPFS persistent storageKMP · Compose Multiplatform · Room 3 · Wasm
Student IEE-IHU🎓 Android app for student support at IEE-IHU, built as thesis projectKotlin · Firebase · MVVM · Room
CM Free Rewards📱 Popular app with 1k+ organic installs for daily in-game rewardsKotlin · Compose · UI/UX

📊 GitHub Stats

GitHub Streak

Profile Views

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

Pinned Loading

  1. FlipToWinFlipToWinPublic

    Flip To Win

    Kotlin

  2. PreviewSandboxPreviewSandboxPublic

    PreviewSandbox ⚙️

    Kotlin 9

  3. Student-IEE-IHUStudent-IEE-IHUPublic

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

    Kotlin

  4. KMPWebRoomKMPWebRoomPublic

    Kotlin 1 1

  5. StringSmithStringSmithPublic

    StringSmith - Android Strings Toolkit

    Kotlin

  6. BookNGoBookNGoPublic

    CodeHub Project - BookNGo

    JavaScript

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers"); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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Android & KMP Engineer
🎯
Android & KMP Engineer
73 followers · 146 following

Achievements

Achievement: Pull Sharkx2Achievement: Pair ExtraordinaireAchievement: Public SponsorAchievement: Arctic Code Vault Contributor

Achievements

Achievement: Pull Sharkx2Achievement: Pair ExtraordinaireAchievement: Public SponsorAchievement: Arctic Code Vault Contributor

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SeijinD/README.md

George Karanikolas

Android & KMP Engineer

PortfolioLinkedInTelegram

👋 About Me

Android & KMP Engineer with 6+ 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 & KMP Engineer",
location ="Thessaloniki, Greece",
focuses =listOf("Kotlin", JetpackCompose", "KMP", "CleanArchitecture", "Ktor"), currentlyExploring = "KotlinMultiplatform")

🛠️ Tech Stack

📱 Mobile

KotlinAndroidJetpack ComposeJavaKMP

🔧 Architecture & Libraries

MVVMCoroutinesHiltRetrofitRoom

🗄️ Backend & Databases

FirebasePostgreSQLMongoDBPythonKtor

⚙️ Tools

Android StudioDockerGitHub ActionsGit

🚀 Featured Projects

ProjectDescriptionStack
FlipToWin🎮 High-performance Jetpack Compose library for "Flip to Win" style games with Clean Architecture & UDFKotlin 2.0 · Compose · Hilt · Coil 3
PreviewSandbox🎨 Runtime configuration sandbox for Jetpack Compose UI environmentsKotlin · Jetpack Compose
StringSmith🔧 Android Studio plugin to extract hardcoded strings, detect duplicates, and flag unused resources — without leaving the editorKotlin · IntelliJ Platform · Android Studio
KMPWebRoom🌐 Room 3 database running in the browser via Kotlin/Wasm and SQLite OPFS persistent storageKMP · Compose Multiplatform · Room 3 · Wasm
Student IEE-IHU🎓 Android app for student support at IEE-IHU, built as thesis projectKotlin · Firebase · MVVM · Room
CM Free Rewards📱 Popular app with 1k+ organic installs for daily in-game rewardsKotlin · Compose · UI/UX

📊 GitHub Stats

GitHub Streak

Profile Views

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

Pinned Loading

  1. FlipToWinFlipToWinPublic

    Flip To Win

    Kotlin

  2. PreviewSandboxPreviewSandboxPublic

    PreviewSandbox ⚙️

    Kotlin 9

  3. Student-IEE-IHUStudent-IEE-IHUPublic

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

    Kotlin

  4. KMPWebRoomKMPWebRoomPublic

    Kotlin 1 1

  5. StringSmithStringSmithPublic

    StringSmith - Android Strings Toolkit

    Kotlin

  6. BookNGoBookNGoPublic

    CodeHub Project - BookNGo

    JavaScript

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode"); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })();
Skip to content
View SeijinD's full-sized avatar
🎯
Android & KMP Engineer
🎯
Android & KMP Engineer
73 followers · 146 following

Achievements

Achievement: Pull Sharkx2Achievement: Pair ExtraordinaireAchievement: Public SponsorAchievement: Arctic Code Vault Contributor

Achievements

Achievement: Pull Sharkx2Achievement: Pair ExtraordinaireAchievement: Public SponsorAchievement: Arctic Code Vault Contributor

Block or report SeijinD

Block user

Prevent this user from interacting with your repositories and sending you notifications. Learn more about blocking users.

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Content in all repositories owned by your account will be closed.
Maximum 250 characters. Please don’t include any personal information such as legal names or email addresses. Markdown is supported. This note will only be visible to you.
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SeijinD/README.md

George Karanikolas

Android & KMP Engineer

PortfolioLinkedInTelegram

👋 About Me

Android & KMP Engineer with 6+ 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 & KMP Engineer",
location ="Thessaloniki, Greece",
focuses =listOf("Kotlin", JetpackCompose", "KMP", "CleanArchitecture", "Ktor"), currentlyExploring = "KotlinMultiplatform")

🛠️ Tech Stack

📱 Mobile

KotlinAndroidJetpack ComposeJavaKMP

🔧 Architecture & Libraries

MVVMCoroutinesHiltRetrofitRoom

🗄️ Backend & Databases

FirebasePostgreSQLMongoDBPythonKtor

⚙️ Tools

Android StudioDockerGitHub ActionsGit

🚀 Featured Projects

ProjectDescriptionStack
FlipToWin🎮 High-performance Jetpack Compose library for "Flip to Win" style games with Clean Architecture & UDFKotlin 2.0 · Compose · Hilt · Coil 3
PreviewSandbox🎨 Runtime configuration sandbox for Jetpack Compose UI environmentsKotlin · Jetpack Compose
StringSmith🔧 Android Studio plugin to extract hardcoded strings, detect duplicates, and flag unused resources — without leaving the editorKotlin · IntelliJ Platform · Android Studio
KMPWebRoom🌐 Room 3 database running in the browser via Kotlin/Wasm and SQLite OPFS persistent storageKMP · Compose Multiplatform · Room 3 · Wasm
Student IEE-IHU🎓 Android app for student support at IEE-IHU, built as thesis projectKotlin · Firebase · MVVM · Room
CM Free Rewards📱 Popular app with 1k+ organic installs for daily in-game rewardsKotlin · Compose · UI/UX

📊 GitHub Stats

GitHub Streak

Profile Views

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

Pinned Loading

  1. FlipToWinFlipToWinPublic

    Flip To Win

    Kotlin

  2. PreviewSandboxPreviewSandboxPublic

    PreviewSandbox ⚙️

    Kotlin 9

  3. Student-IEE-IHUStudent-IEE-IHUPublic

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

    Kotlin

  4. KMPWebRoomKMPWebRoomPublic

    Kotlin 1 1

  5. StringSmithStringSmithPublic

    StringSmith - Android Strings Toolkit

    Kotlin

  6. BookNGoBookNGoPublic

    CodeHub Project - BookNGo

    JavaScript