View Radu028's full-sized avatar
3 followers · 4 following

Achievements

Achievement: Pair Extraordinairex3Achievement: QuickdrawAchievement: YOLOAchievement: Pull Sharkx2

Achievements

Achievement: Pair Extraordinairex3Achievement: QuickdrawAchievement: YOLOAchievement: Pull Sharkx2

Highlights

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Radu028/README.md

Radu-Stefan Popa

Software engineer and Computer Science student at the University of Bucharest.

I work across C#, TypeScript, C++, Python, and Java. I like projects that let me work across the whole system: data model, backend, user-facing behavior, deployment, and the awkward edge cases in between.

Recent work includes:

  • debugging multithreaded C# software used in ophthalmic surgery systems;
  • prototyping an internal assistant for device-log triage and related-incident retrieval;
  • working with Prof. Radu Tudor Ionescu on extending PQPP (CVPR 2025) across multiple languages;
  • tutoring algorithms and data structures at the University of Bucharest.

Selected projects

  • AI Arena — live comparison arena for nine OpenAI, Anthropic, and Google models, with parallel inference, anonymous voting, AI judging, and per-round latency and cost tracking. Live app
  • 3D Game Engine — C++23 engine with dynamic-navmesh A* pathfinding, state-driven NPCs, Bullet physics, and raylib rendering.
  • Social Media Platform — ASP.NET Core and Next.js application with 65 REST endpoints, private follows, groups, chat, and Gemini-backed moderation.
  • QR Toolkit — Python QR encoder and decoder with finder-pattern detection, masking, bitstream parsing, and Reed-Solomon correction.
  • Banking System — Java/JDBC application with repository-based persistence, transactional transfers, account and card workflows, reporting, and audit logs.
  • OS Storage Management — x86 assembly implementation of allocation, lookup, deletion, and defragmentation for one- and two-dimensional storage layouts.

Contact

LinkedIn · Email

Pinned Loading

  1. ai-arenaai-arenaPublic

    Live arena for nine OpenAI, Anthropic, and Google models with anonymous voting, AI judging, and per-round latency and cost tracking.

    TypeScript 1

  2. game-enginegame-enginePublic

    C++23 3D engine with dynamic-navmesh A* pathfinding, state-driven NPCs, Bullet physics, and raylib rendering.

    C++

  3. social-media-platformsocial-media-platformPublic

    Full-stack social platform with 65 ASP.NET Core endpoints, a Next.js client, PostgreSQL, private follows, groups, chat, and Gemini moderation.

    TypeScript

  4. qr-toolkitqr-toolkitPublic

    Python QR encoder and decoder with finder-pattern detection, masking, bitstream parsing, and Reed-Solomon correction.

    Python

  5. minimal-os-storage-managementminimal-os-storage-managementPublic

    x86 assembly storage simulator with 1D and 2D allocation, retrieval, deletion, and defragmentation modes.

    Assembly

  6. bankingbankingPublic

    Java banking system with JDBC repositories, transactional transfers, account and card workflows, SQL reporting, and audit logging.

    Java

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 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 Radu028's full-sized avatar
3
followers
 · 4
following

Achievements
Achievement: Pair Extraordinairex3Achievement: QuickdrawAchievement: YOLOAchievement: Pull Sharkx2
Achievements
Achievement: Pair Extraordinairex3Achievement: QuickdrawAchievement: YOLOAchievement: Pull Sharkx2
Highlights
  • 
Pro


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Radu028/README.md
Radu-Stefan Popa
Software engineer and Computer Science student at the University of Bucharest.
I work across C#, TypeScript, C++, Python, and Java. I like projects that let me work across the whole system: data model, backend, user-facing behavior, deployment, and the awkward edge cases in between.
Recent work includes:
  • debugging multithreaded C# software used in ophthalmic surgery systems;
  • prototyping an internal assistant for device-log triage and related-incident retrieval;
  • working with Prof. Radu Tudor Ionescu on extending PQPP (CVPR 2025) across multiple languages;
  • tutoring algorithms and data structures at the University of Bucharest.
Selected projects
  • AI Arena — live comparison arena for nine OpenAI, Anthropic, and Google models, with parallel inference, anonymous voting, AI judging, and per-round latency and cost tracking. Live app
  • 3D Game Engine — C++23 engine with dynamic-navmesh A* pathfinding, state-driven NPCs, Bullet physics, and raylib rendering.
  • Social Media Platform — ASP.NET Core and Next.js application with 65 REST endpoints, private follows, groups, chat, and Gemini-backed moderation.
  • QR Toolkit — Python QR encoder and decoder with finder-pattern detection, masking, bitstream parsing, and Reed-Solomon correction.
  • Banking System — Java/JDBC application with repository-based persistence, transactional transfers, account and card workflows, reporting, and audit logs.
  • OS Storage Management — x86 assembly implementation of allocation, lookup, deletion, and defragmentation for one- and two-dimensional storage layouts.
Contact
LinkedIn · Email

Pinned
Loading
  1. ai-arenaai-arenaPublic
    
Live arena for nine OpenAI, Anthropic, and Google models with anonymous voting, AI judging, and per-round latency and cost tracking.

    TypeScript
1

  2. game-enginegame-enginePublic
    
C++23 3D engine with dynamic-navmesh A* pathfinding, state-driven NPCs, Bullet physics, and raylib rendering.

    C++
  3. social-media-platformsocial-media-platformPublic
    
Full-stack social platform with 65 ASP.NET Core endpoints, a Next.js client, PostgreSQL, private follows, groups, chat, and Gemini moderation.

    TypeScript
  4. qr-toolkitqr-toolkitPublic
    
Python QR encoder and decoder with finder-pattern detection, masking, bitstream parsing, and Reed-Solomon correction.

    Python
  5. minimal-os-storage-managementminimal-os-storage-managementPublic
    
x86 assembly storage simulator with 1D and 2D allocation, retrieval, deletion, and defragmentation modes.

    Assembly
  6. bankingbankingPublic
    
Java banking system with JDBC repositories, transactional transfers, account and card workflows, SQL reporting, and audit logging.

    Java

, '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 Radu028's full-sized avatar
3
followers
 · 4
following

Achievements
Achievement: Pair Extraordinairex3Achievement: QuickdrawAchievement: YOLOAchievement: Pull Sharkx2
Achievements
Achievement: Pair Extraordinairex3Achievement: QuickdrawAchievement: YOLOAchievement: Pull Sharkx2
Highlights
  • 
Pro


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Radu028/README.md
Radu-Stefan Popa
Software engineer and Computer Science student at the University of Bucharest.
I work across C#, TypeScript, C++, Python, and Java. I like projects that let me work across the whole system: data model, backend, user-facing behavior, deployment, and the awkward edge cases in between.
Recent work includes:
  • debugging multithreaded C# software used in ophthalmic surgery systems;
  • prototyping an internal assistant for device-log triage and related-incident retrieval;
  • working with Prof. Radu Tudor Ionescu on extending PQPP (CVPR 2025) across multiple languages;
  • tutoring algorithms and data structures at the University of Bucharest.
Selected projects
  • AI Arena — live comparison arena for nine OpenAI, Anthropic, and Google models, with parallel inference, anonymous voting, AI judging, and per-round latency and cost tracking. Live app
  • 3D Game Engine — C++23 engine with dynamic-navmesh A* pathfinding, state-driven NPCs, Bullet physics, and raylib rendering.
  • Social Media Platform — ASP.NET Core and Next.js application with 65 REST endpoints, private follows, groups, chat, and Gemini-backed moderation.
  • QR Toolkit — Python QR encoder and decoder with finder-pattern detection, masking, bitstream parsing, and Reed-Solomon correction.
  • Banking System — Java/JDBC application with repository-based persistence, transactional transfers, account and card workflows, reporting, and audit logs.
  • OS Storage Management — x86 assembly implementation of allocation, lookup, deletion, and defragmentation for one- and two-dimensional storage layouts.
Contact
LinkedIn · Email

Pinned
Loading
  1. ai-arenaai-arenaPublic
    
Live arena for nine OpenAI, Anthropic, and Google models with anonymous voting, AI judging, and per-round latency and cost tracking.

    TypeScript
1

  2. game-enginegame-enginePublic
    
C++23 3D engine with dynamic-navmesh A* pathfinding, state-driven NPCs, Bullet physics, and raylib rendering.

    C++
  3. social-media-platformsocial-media-platformPublic
    
Full-stack social platform with 65 ASP.NET Core endpoints, a Next.js client, PostgreSQL, private follows, groups, chat, and Gemini moderation.

    TypeScript
  4. qr-toolkitqr-toolkitPublic
    
Python QR encoder and decoder with finder-pattern detection, masking, bitstream parsing, and Reed-Solomon correction.

    Python
  5. minimal-os-storage-managementminimal-os-storage-managementPublic
    
x86 assembly storage simulator with 1D and 2D allocation, retrieval, deletion, and defragmentation modes.

    Assembly
  6. bankingbankingPublic
    
Java banking system with JDBC repositories, transactional transfers, account and card workflows, SQL reporting, and audit logging.

    Java

, '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 > 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('^' + ".*" + '

Skip to content
View Radu028's full-sized avatar
3
followers
 · 4
following

Achievements
Achievement: Pair Extraordinairex3Achievement: QuickdrawAchievement: YOLOAchievement: Pull Sharkx2
Achievements
Achievement: Pair Extraordinairex3Achievement: QuickdrawAchievement: YOLOAchievement: Pull Sharkx2
Highlights
  • 
Pro


Block or report Radu028

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Learn more about blocking users.


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Radu028/README.md
Radu-Stefan Popa
Software engineer and Computer Science student at the University of Bucharest.
I work across C#, TypeScript, C++, Python, and Java. I like projects that let me work across the whole system: data model, backend, user-facing behavior, deployment, and the awkward edge cases in between.
Recent work includes:
  • debugging multithreaded C# software used in ophthalmic surgery systems;
  • prototyping an internal assistant for device-log triage and related-incident retrieval;
  • working with Prof. Radu Tudor Ionescu on extending PQPP (CVPR 2025) across multiple languages;
  • tutoring algorithms and data structures at the University of Bucharest.
Selected projects
  • AI Arena — live comparison arena for nine OpenAI, Anthropic, and Google models, with parallel inference, anonymous voting, AI judging, and per-round latency and cost tracking. Live app
  • 3D Game Engine — C++23 engine with dynamic-navmesh A* pathfinding, state-driven NPCs, Bullet physics, and raylib rendering.
  • Social Media Platform — ASP.NET Core and Next.js application with 65 REST endpoints, private follows, groups, chat, and Gemini-backed moderation.
  • QR Toolkit — Python QR encoder and decoder with finder-pattern detection, masking, bitstream parsing, and Reed-Solomon correction.
  • Banking System — Java/JDBC application with repository-based persistence, transactional transfers, account and card workflows, reporting, and audit logs.
  • OS Storage Management — x86 assembly implementation of allocation, lookup, deletion, and defragmentation for one- and two-dimensional storage layouts.
Contact
LinkedIn · Email

Pinned
Loading
  1. ai-arenaai-arenaPublic
    
Live arena for nine OpenAI, Anthropic, and Google models with anonymous voting, AI judging, and per-round latency and cost tracking.

    TypeScript
1

  2. game-enginegame-enginePublic
    
C++23 3D engine with dynamic-navmesh A* pathfinding, state-driven NPCs, Bullet physics, and raylib rendering.

    C++
  3. social-media-platformsocial-media-platformPublic
    
Full-stack social platform with 65 ASP.NET Core endpoints, a Next.js client, PostgreSQL, private follows, groups, chat, and Gemini moderation.

    TypeScript
  4. qr-toolkitqr-toolkitPublic
    
Python QR encoder and decoder with finder-pattern detection, masking, bitstream parsing, and Reed-Solomon correction.

    Python
  5. minimal-os-storage-managementminimal-os-storage-managementPublic
    
x86 assembly storage simulator with 1D and 2D allocation, retrieval, deletion, and defragmentation modes.

    Assembly
  6. bankingbankingPublic
    
Java banking system with JDBC repositories, transactional transfers, account and card workflows, SQL reporting, and audit logging.

    Java

, '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 Radu028's full-sized avatar
3
followers
 · 4
following

Achievements
Achievement: Pair Extraordinairex3Achievement: QuickdrawAchievement: YOLOAchievement: Pull Sharkx2
Achievements
Achievement: Pair Extraordinairex3Achievement: QuickdrawAchievement: YOLOAchievement: Pull Sharkx2
Highlights
  • 
Pro


Block or report Radu028

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Learn more about blocking users.


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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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Radu028/README.md
Radu-Stefan Popa
Software engineer and Computer Science student at the University of Bucharest.
I work across C#, TypeScript, C++, Python, and Java. I like projects that let me work across the whole system: data model, backend, user-facing behavior, deployment, and the awkward edge cases in between.
Recent work includes:
  • debugging multithreaded C# software used in ophthalmic surgery systems;
  • prototyping an internal assistant for device-log triage and related-incident retrieval;
  • working with Prof. Radu Tudor Ionescu on extending PQPP (CVPR 2025) across multiple languages;
  • tutoring algorithms and data structures at the University of Bucharest.
Selected projects
  • AI Arena — live comparison arena for nine OpenAI, Anthropic, and Google models, with parallel inference, anonymous voting, AI judging, and per-round latency and cost tracking. Live app
  • 3D Game Engine — C++23 engine with dynamic-navmesh A* pathfinding, state-driven NPCs, Bullet physics, and raylib rendering.
  • Social Media Platform — ASP.NET Core and Next.js application with 65 REST endpoints, private follows, groups, chat, and Gemini-backed moderation.
  • QR Toolkit — Python QR encoder and decoder with finder-pattern detection, masking, bitstream parsing, and Reed-Solomon correction.
  • Banking System — Java/JDBC application with repository-based persistence, transactional transfers, account and card workflows, reporting, and audit logs.
  • OS Storage Management — x86 assembly implementation of allocation, lookup, deletion, and defragmentation for one- and two-dimensional storage layouts.
Contact
LinkedIn · Email

Pinned
Loading
  1. ai-arenaai-arenaPublic
    
Live arena for nine OpenAI, Anthropic, and Google models with anonymous voting, AI judging, and per-round latency and cost tracking.

    TypeScript
1

  2. game-enginegame-enginePublic
    
C++23 3D engine with dynamic-navmesh A* pathfinding, state-driven NPCs, Bullet physics, and raylib rendering.

    C++
  3. social-media-platformsocial-media-platformPublic
    
Full-stack social platform with 65 ASP.NET Core endpoints, a Next.js client, PostgreSQL, private follows, groups, chat, and Gemini moderation.

    TypeScript
  4. qr-toolkitqr-toolkitPublic
    
Python QR encoder and decoder with finder-pattern detection, masking, bitstream parsing, and Reed-Solomon correction.

    Python
  5. minimal-os-storage-managementminimal-os-storage-managementPublic
    
x86 assembly storage simulator with 1D and 2D allocation, retrieval, deletion, and defragmentation modes.

    Assembly
  6. bankingbankingPublic
    
Java banking system with JDBC repositories, transactional transfers, account and card workflows, SQL reporting, and audit logging.

    Java

, '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 Radu028's full-sized avatar
3
followers
 · 4
following

Achievements
Achievement: Pair Extraordinairex3Achievement: QuickdrawAchievement: YOLOAchievement: Pull Sharkx2
Achievements
Achievement: Pair Extraordinairex3Achievement: QuickdrawAchievement: YOLOAchievement: Pull Sharkx2
Highlights
  • 
Pro


Block or report Radu028

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Radu028/README.md
Radu-Stefan Popa
Software engineer and Computer Science student at the University of Bucharest.
I work across C#, TypeScript, C++, Python, and Java. I like projects that let me work across the whole system: data model, backend, user-facing behavior, deployment, and the awkward edge cases in between.
Recent work includes:
  • debugging multithreaded C# software used in ophthalmic surgery systems;
  • prototyping an internal assistant for device-log triage and related-incident retrieval;
  • working with Prof. Radu Tudor Ionescu on extending PQPP (CVPR 2025) across multiple languages;
  • tutoring algorithms and data structures at the University of Bucharest.
Selected projects
  • AI Arena — live comparison arena for nine OpenAI, Anthropic, and Google models, with parallel inference, anonymous voting, AI judging, and per-round latency and cost tracking. Live app
  • 3D Game Engine — C++23 engine with dynamic-navmesh A* pathfinding, state-driven NPCs, Bullet physics, and raylib rendering.
  • Social Media Platform — ASP.NET Core and Next.js application with 65 REST endpoints, private follows, groups, chat, and Gemini-backed moderation.
  • QR Toolkit — Python QR encoder and decoder with finder-pattern detection, masking, bitstream parsing, and Reed-Solomon correction.
  • Banking System — Java/JDBC application with repository-based persistence, transactional transfers, account and card workflows, reporting, and audit logs.
  • OS Storage Management — x86 assembly implementation of allocation, lookup, deletion, and defragmentation for one- and two-dimensional storage layouts.
Contact
LinkedIn · Email

Pinned
Loading
  1. ai-arenaai-arenaPublic
    
Live arena for nine OpenAI, Anthropic, and Google models with anonymous voting, AI judging, and per-round latency and cost tracking.

    TypeScript
1

  2. game-enginegame-enginePublic
    
C++23 3D engine with dynamic-navmesh A* pathfinding, state-driven NPCs, Bullet physics, and raylib rendering.

    C++
  3. social-media-platformsocial-media-platformPublic
    
Full-stack social platform with 65 ASP.NET Core endpoints, a Next.js client, PostgreSQL, private follows, groups, chat, and Gemini moderation.

    TypeScript
  4. qr-toolkitqr-toolkitPublic
    
Python QR encoder and decoder with finder-pattern detection, masking, bitstream parsing, and Reed-Solomon correction.

    Python
  5. minimal-os-storage-managementminimal-os-storage-managementPublic
    
x86 assembly storage simulator with 1D and 2D allocation, retrieval, deletion, and defragmentation modes.

    Assembly
  6. bankingbankingPublic
    
Java banking system with JDBC repositories, transactional transfers, account and card workflows, SQL reporting, and audit logging.

    Java

, '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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followers
 · 4
following

Achievements
Achievement: Pair Extraordinairex3Achievement: QuickdrawAchievement: YOLOAchievement: Pull Sharkx2
Achievements
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Highlights
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Radu028/README.md
Radu-Stefan Popa
Software engineer and Computer Science student at the University of Bucharest.
I work across C#, TypeScript, C++, Python, and Java. I like projects that let me work across the whole system: data model, backend, user-facing behavior, deployment, and the awkward edge cases in between.
Recent work includes:
  • debugging multithreaded C# software used in ophthalmic surgery systems;
  • prototyping an internal assistant for device-log triage and related-incident retrieval;
  • working with Prof. Radu Tudor Ionescu on extending PQPP (CVPR 2025) across multiple languages;
  • tutoring algorithms and data structures at the University of Bucharest.
Selected projects
  • AI Arena — live comparison arena for nine OpenAI, Anthropic, and Google models, with parallel inference, anonymous voting, AI judging, and per-round latency and cost tracking. Live app
  • 3D Game Engine — C++23 engine with dynamic-navmesh A* pathfinding, state-driven NPCs, Bullet physics, and raylib rendering.
  • Social Media Platform — ASP.NET Core and Next.js application with 65 REST endpoints, private follows, groups, chat, and Gemini-backed moderation.
  • QR Toolkit — Python QR encoder and decoder with finder-pattern detection, masking, bitstream parsing, and Reed-Solomon correction.
  • Banking System — Java/JDBC application with repository-based persistence, transactional transfers, account and card workflows, reporting, and audit logs.
  • OS Storage Management — x86 assembly implementation of allocation, lookup, deletion, and defragmentation for one- and two-dimensional storage layouts.
Contact
LinkedIn · Email

Pinned
Loading
  1. ai-arenaai-arenaPublic
    
Live arena for nine OpenAI, Anthropic, and Google models with anonymous voting, AI judging, and per-round latency and cost tracking.

    TypeScript
1

  2. game-enginegame-enginePublic
    
C++23 3D engine with dynamic-navmesh A* pathfinding, state-driven NPCs, Bullet physics, and raylib rendering.

    C++
  3. social-media-platformsocial-media-platformPublic
    
Full-stack social platform with 65 ASP.NET Core endpoints, a Next.js client, PostgreSQL, private follows, groups, chat, and Gemini moderation.

    TypeScript
  4. qr-toolkitqr-toolkitPublic
    
Python QR encoder and decoder with finder-pattern detection, masking, bitstream parsing, and Reed-Solomon correction.

    Python
  5. minimal-os-storage-managementminimal-os-storage-managementPublic
    
x86 assembly storage simulator with 1D and 2D allocation, retrieval, deletion, and defragmentation modes.

    Assembly
  6. bankingbankingPublic
    
Java banking system with JDBC repositories, transactional transfers, account and card workflows, SQL reporting, and audit logging.

    Java

, '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 Radu028's full-sized avatar
3
followers
 · 4
following

Achievements
Achievement: Pair Extraordinairex3Achievement: QuickdrawAchievement: YOLOAchievement: Pull Sharkx2
Achievements
Achievement: Pair Extraordinairex3Achievement: QuickdrawAchievement: YOLOAchievement: Pull Sharkx2
Highlights
  • 
Pro


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Radu028/README.md
Radu-Stefan Popa
Software engineer and Computer Science student at the University of Bucharest.
I work across C#, TypeScript, C++, Python, and Java. I like projects that let me work across the whole system: data model, backend, user-facing behavior, deployment, and the awkward edge cases in between.
Recent work includes:
  • debugging multithreaded C# software used in ophthalmic surgery systems;
  • prototyping an internal assistant for device-log triage and related-incident retrieval;
  • working with Prof. Radu Tudor Ionescu on extending PQPP (CVPR 2025) across multiple languages;
  • tutoring algorithms and data structures at the University of Bucharest.
Selected projects
  • AI Arena — live comparison arena for nine OpenAI, Anthropic, and Google models, with parallel inference, anonymous voting, AI judging, and per-round latency and cost tracking. Live app
  • 3D Game Engine — C++23 engine with dynamic-navmesh A* pathfinding, state-driven NPCs, Bullet physics, and raylib rendering.
  • Social Media Platform — ASP.NET Core and Next.js application with 65 REST endpoints, private follows, groups, chat, and Gemini-backed moderation.
  • QR Toolkit — Python QR encoder and decoder with finder-pattern detection, masking, bitstream parsing, and Reed-Solomon correction.
  • Banking System — Java/JDBC application with repository-based persistence, transactional transfers, account and card workflows, reporting, and audit logs.
  • OS Storage Management — x86 assembly implementation of allocation, lookup, deletion, and defragmentation for one- and two-dimensional storage layouts.
Contact
LinkedIn · Email

Pinned
Loading
  1. ai-arenaai-arenaPublic
    
Live arena for nine OpenAI, Anthropic, and Google models with anonymous voting, AI judging, and per-round latency and cost tracking.

    TypeScript
1

  2. game-enginegame-enginePublic
    
C++23 3D engine with dynamic-navmesh A* pathfinding, state-driven NPCs, Bullet physics, and raylib rendering.

    C++
  3. social-media-platformsocial-media-platformPublic
    
Full-stack social platform with 65 ASP.NET Core endpoints, a Next.js client, PostgreSQL, private follows, groups, chat, and Gemini moderation.

    TypeScript
  4. qr-toolkitqr-toolkitPublic
    
Python QR encoder and decoder with finder-pattern detection, masking, bitstream parsing, and Reed-Solomon correction.

    Python
  5. minimal-os-storage-managementminimal-os-storage-managementPublic
    
x86 assembly storage simulator with 1D and 2D allocation, retrieval, deletion, and defragmentation modes.

    Assembly
  6. bankingbankingPublic
    
Java banking system with JDBC repositories, transactional transfers, account and card workflows, SQL reporting, and audit logging.

    Java