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rivalarya/README.md

Hi there! 👋

LinkedIn BadgeGitHub BadgeWebsite Badge

Profile Views


About Me:

Backend Engineer with 4+ years of experience building high-performance APIs. Specialized in optimizing systems that handle millions of records with measurable results: 108.22× faster response times and 40-minute processes reduced to 1 minute.


🚀 Key Projects:

Rivalistic.com - Face recognition API with FastAPI processing 20,000+ records in <2s
IMDB Optimization - Achieved 108.22× faster response (2876ms → 26ms)
Million Records Handler - Bulk insert optimization: 3 min → 20 sec


💻 Tech Stack:

Languages:
JavaScriptTypeScriptGoPython

Backend:
Node.jsFastifyGingRPCFastAPI

Databases:
PostgreSQLMongoDBRedis

DevOps:
DockerGCPGit


🏆 Highlights:

  • 🎯 Performance specialist - Proven track record of 50-100× optimization
  • 🚀 CodeIgniter 4 contributor - PR #6302
  • Fast delivery - Cut 6-month project to 3 months (50% faster)
  • 🔧 Built testing tools - Created custom E2E framework when standard tools failed

Pinned Loading

  1. handling-1-million-recordshandling-1-million-recordsPublic

    In this project, I will be handling one million records using different programming languages and different solutions on a small VM. The goal is to find the most efficient way to insert the records…

  2. imdb-performance-optimizationimdb-performance-optimizationPublic

    Proving that PostgreSQL can handle millions of records with proper optimization - achieving up to 108.22× faster query performance.

    Go

  3. yt-music-dlyt-music-dlPublic

    Download YouTube Music tracks as MP3 — complete with cover art, title, artist, and album metadata auto-fetched from Deezer.

    TypeScript 1

  4. git-blame-inlinegit-blame-inlinePublic

    TypeScript 1 1

  5. faq-rag-benchmarkfaq-rag-benchmarkPublic

    8B vs 70B: Does Model Size Matter When You Have RAG?

    Python

, '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" + '
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rivalarya/README.md

Hi there! 👋

LinkedIn BadgeGitHub BadgeWebsite Badge

Profile Views


About Me:

Backend Engineer with 4+ years of experience building high-performance APIs. Specialized in optimizing systems that handle millions of records with measurable results: 108.22× faster response times and 40-minute processes reduced to 1 minute.


🚀 Key Projects:

Rivalistic.com - Face recognition API with FastAPI processing 20,000+ records in <2s
IMDB Optimization - Achieved 108.22× faster response (2876ms → 26ms)
Million Records Handler - Bulk insert optimization: 3 min → 20 sec


💻 Tech Stack:

Languages:
JavaScriptTypeScriptGoPython

Backend:
Node.jsFastifyGingRPCFastAPI

Databases:
PostgreSQLMongoDBRedis

DevOps:
DockerGCPGit


🏆 Highlights:

  • 🎯 Performance specialist - Proven track record of 50-100× optimization
  • 🚀 CodeIgniter 4 contributor - PR #6302
  • Fast delivery - Cut 6-month project to 3 months (50% faster)
  • 🔧 Built testing tools - Created custom E2E framework when standard tools failed

Pinned Loading

  1. handling-1-million-recordshandling-1-million-recordsPublic

    In this project, I will be handling one million records using different programming languages and different solutions on a small VM. The goal is to find the most efficient way to insert the records…

  2. imdb-performance-optimizationimdb-performance-optimizationPublic

    Proving that PostgreSQL can handle millions of records with proper optimization - achieving up to 108.22× faster query performance.

    Go

  3. yt-music-dlyt-music-dlPublic

    Download YouTube Music tracks as MP3 — complete with cover art, title, artist, and album metadata auto-fetched from Deezer.

    TypeScript 1

  4. git-blame-inlinegit-blame-inlinePublic

    TypeScript 1 1

  5. faq-rag-benchmarkfaq-rag-benchmarkPublic

    8B vs 70B: Does Model Size Matter When You Have RAG?

    Python

, '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
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rivalarya/README.md

Hi there! 👋

LinkedIn BadgeGitHub BadgeWebsite Badge

Profile Views


About Me:

Backend Engineer with 4+ years of experience building high-performance APIs. Specialized in optimizing systems that handle millions of records with measurable results: 108.22× faster response times and 40-minute processes reduced to 1 minute.


🚀 Key Projects:

Rivalistic.com - Face recognition API with FastAPI processing 20,000+ records in <2s
IMDB Optimization - Achieved 108.22× faster response (2876ms → 26ms)
Million Records Handler - Bulk insert optimization: 3 min → 20 sec


💻 Tech Stack:

Languages:
JavaScriptTypeScriptGoPython

Backend:
Node.jsFastifyGingRPCFastAPI

Databases:
PostgreSQLMongoDBRedis

DevOps:
DockerGCPGit


🏆 Highlights:

  • 🎯 Performance specialist - Proven track record of 50-100× optimization
  • 🚀 CodeIgniter 4 contributor - PR #6302
  • Fast delivery - Cut 6-month project to 3 months (50% faster)
  • 🔧 Built testing tools - Created custom E2E framework when standard tools failed

Pinned Loading

  1. handling-1-million-recordshandling-1-million-recordsPublic

    In this project, I will be handling one million records using different programming languages and different solutions on a small VM. The goal is to find the most efficient way to insert the records…

  2. imdb-performance-optimizationimdb-performance-optimizationPublic

    Proving that PostgreSQL can handle millions of records with proper optimization - achieving up to 108.22× faster query performance.

    Go

  3. yt-music-dlyt-music-dlPublic

    Download YouTube Music tracks as MP3 — complete with cover art, title, artist, and album metadata auto-fetched from Deezer.

    TypeScript 1

  4. git-blame-inlinegit-blame-inlinePublic

    TypeScript 1 1

  5. faq-rag-benchmarkfaq-rag-benchmarkPublic

    8B vs 70B: Does Model Size Matter When You Have RAG?

    Python

, '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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rivalarya/README.md

Hi there! 👋

LinkedIn BadgeGitHub BadgeWebsite Badge

Profile Views


About Me:

Backend Engineer with 4+ years of experience building high-performance APIs. Specialized in optimizing systems that handle millions of records with measurable results: 108.22× faster response times and 40-minute processes reduced to 1 minute.


🚀 Key Projects:

Rivalistic.com - Face recognition API with FastAPI processing 20,000+ records in <2s
IMDB Optimization - Achieved 108.22× faster response (2876ms → 26ms)
Million Records Handler - Bulk insert optimization: 3 min → 20 sec


💻 Tech Stack:

Languages:
JavaScriptTypeScriptGoPython

Backend:
Node.jsFastifyGingRPCFastAPI

Databases:
PostgreSQLMongoDBRedis

DevOps:
DockerGCPGit


🏆 Highlights:

  • 🎯 Performance specialist - Proven track record of 50-100× optimization
  • 🚀 CodeIgniter 4 contributor - PR #6302
  • Fast delivery - Cut 6-month project to 3 months (50% faster)
  • 🔧 Built testing tools - Created custom E2E framework when standard tools failed

Pinned Loading

  1. handling-1-million-recordshandling-1-million-recordsPublic

    In this project, I will be handling one million records using different programming languages and different solutions on a small VM. The goal is to find the most efficient way to insert the records…

  2. imdb-performance-optimizationimdb-performance-optimizationPublic

    Proving that PostgreSQL can handle millions of records with proper optimization - achieving up to 108.22× faster query performance.

    Go

  3. yt-music-dlyt-music-dlPublic

    Download YouTube Music tracks as MP3 — complete with cover art, title, artist, and album metadata auto-fetched from Deezer.

    TypeScript 1

  4. git-blame-inlinegit-blame-inlinePublic

    TypeScript 1 1

  5. faq-rag-benchmarkfaq-rag-benchmarkPublic

    8B vs 70B: Does Model Size Matter When You Have RAG?

    Python

, '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" + '
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rivalarya/README.md

Hi there! 👋

LinkedIn BadgeGitHub BadgeWebsite Badge

Profile Views


About Me:

Backend Engineer with 4+ years of experience building high-performance APIs. Specialized in optimizing systems that handle millions of records with measurable results: 108.22× faster response times and 40-minute processes reduced to 1 minute.


🚀 Key Projects:

Rivalistic.com - Face recognition API with FastAPI processing 20,000+ records in <2s
IMDB Optimization - Achieved 108.22× faster response (2876ms → 26ms)
Million Records Handler - Bulk insert optimization: 3 min → 20 sec


💻 Tech Stack:

Languages:
JavaScriptTypeScriptGoPython

Backend:
Node.jsFastifyGingRPCFastAPI

Databases:
PostgreSQLMongoDBRedis

DevOps:
DockerGCPGit


🏆 Highlights:

  • 🎯 Performance specialist - Proven track record of 50-100× optimization
  • 🚀 CodeIgniter 4 contributor - PR #6302
  • Fast delivery - Cut 6-month project to 3 months (50% faster)
  • 🔧 Built testing tools - Created custom E2E framework when standard tools failed

Pinned Loading

  1. handling-1-million-recordshandling-1-million-recordsPublic

    In this project, I will be handling one million records using different programming languages and different solutions on a small VM. The goal is to find the most efficient way to insert the records…

  2. imdb-performance-optimizationimdb-performance-optimizationPublic

    Proving that PostgreSQL can handle millions of records with proper optimization - achieving up to 108.22× faster query performance.

    Go

  3. yt-music-dlyt-music-dlPublic

    Download YouTube Music tracks as MP3 — complete with cover art, title, artist, and album metadata auto-fetched from Deezer.

    TypeScript 1

  4. git-blame-inlinegit-blame-inlinePublic

    TypeScript 1 1

  5. faq-rag-benchmarkfaq-rag-benchmarkPublic

    8B vs 70B: Does Model Size Matter When You Have RAG?

    Python

, '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('^' + ".*" + '
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rivalarya/README.md

Hi there! 👋

LinkedIn BadgeGitHub BadgeWebsite Badge

Profile Views


About Me:

Backend Engineer with 4+ years of experience building high-performance APIs. Specialized in optimizing systems that handle millions of records with measurable results: 108.22× faster response times and 40-minute processes reduced to 1 minute.


🚀 Key Projects:

Rivalistic.com - Face recognition API with FastAPI processing 20,000+ records in <2s
IMDB Optimization - Achieved 108.22× faster response (2876ms → 26ms)
Million Records Handler - Bulk insert optimization: 3 min → 20 sec


💻 Tech Stack:

Languages:
JavaScriptTypeScriptGoPython

Backend:
Node.jsFastifyGingRPCFastAPI

Databases:
PostgreSQLMongoDBRedis

DevOps:
DockerGCPGit


🏆 Highlights:

  • 🎯 Performance specialist - Proven track record of 50-100× optimization
  • 🚀 CodeIgniter 4 contributor - PR #6302
  • Fast delivery - Cut 6-month project to 3 months (50% faster)
  • 🔧 Built testing tools - Created custom E2E framework when standard tools failed

Pinned Loading

  1. handling-1-million-recordshandling-1-million-recordsPublic

    In this project, I will be handling one million records using different programming languages and different solutions on a small VM. The goal is to find the most efficient way to insert the records…

  2. imdb-performance-optimizationimdb-performance-optimizationPublic

    Proving that PostgreSQL can handle millions of records with proper optimization - achieving up to 108.22× faster query performance.

    Go

  3. yt-music-dlyt-music-dlPublic

    Download YouTube Music tracks as MP3 — complete with cover art, title, artist, and album metadata auto-fetched from Deezer.

    TypeScript 1

  4. git-blame-inlinegit-blame-inlinePublic

    TypeScript 1 1

  5. faq-rag-benchmarkfaq-rag-benchmarkPublic

    8B vs 70B: Does Model Size Matter When You Have RAG?

    Python

, '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('^' + ".*" + '
Skip to content
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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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rivalarya/README.md

Hi there! 👋

LinkedIn BadgeGitHub BadgeWebsite Badge

Profile Views


About Me:

Backend Engineer with 4+ years of experience building high-performance APIs. Specialized in optimizing systems that handle millions of records with measurable results: 108.22× faster response times and 40-minute processes reduced to 1 minute.


🚀 Key Projects:

Rivalistic.com - Face recognition API with FastAPI processing 20,000+ records in <2s
IMDB Optimization - Achieved 108.22× faster response (2876ms → 26ms)
Million Records Handler - Bulk insert optimization: 3 min → 20 sec


💻 Tech Stack:

Languages:
JavaScriptTypeScriptGoPython

Backend:
Node.jsFastifyGingRPCFastAPI

Databases:
PostgreSQLMongoDBRedis

DevOps:
DockerGCPGit


🏆 Highlights:

  • 🎯 Performance specialist - Proven track record of 50-100× optimization
  • 🚀 CodeIgniter 4 contributor - PR #6302
  • Fast delivery - Cut 6-month project to 3 months (50% faster)
  • 🔧 Built testing tools - Created custom E2E framework when standard tools failed

Pinned Loading

  1. handling-1-million-recordshandling-1-million-recordsPublic

    In this project, I will be handling one million records using different programming languages and different solutions on a small VM. The goal is to find the most efficient way to insert the records…

  2. imdb-performance-optimizationimdb-performance-optimizationPublic

    Proving that PostgreSQL can handle millions of records with proper optimization - achieving up to 108.22× faster query performance.

    Go

  3. yt-music-dlyt-music-dlPublic

    Download YouTube Music tracks as MP3 — complete with cover art, title, artist, and album metadata auto-fetched from Deezer.

    TypeScript 1

  4. git-blame-inlinegit-blame-inlinePublic

    TypeScript 1 1

  5. faq-rag-benchmarkfaq-rag-benchmarkPublic

    8B vs 70B: Does Model Size Matter When You Have RAG?

    Python

, '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); } })(); })();
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rivalarya/README.md

Hi there! 👋

LinkedIn BadgeGitHub BadgeWebsite Badge

Profile Views


About Me:

Backend Engineer with 4+ years of experience building high-performance APIs. Specialized in optimizing systems that handle millions of records with measurable results: 108.22× faster response times and 40-minute processes reduced to 1 minute.


🚀 Key Projects:

Rivalistic.com - Face recognition API with FastAPI processing 20,000+ records in <2s
IMDB Optimization - Achieved 108.22× faster response (2876ms → 26ms)
Million Records Handler - Bulk insert optimization: 3 min → 20 sec


💻 Tech Stack:

Languages:
JavaScriptTypeScriptGoPython

Backend:
Node.jsFastifyGingRPCFastAPI

Databases:
PostgreSQLMongoDBRedis

DevOps:
DockerGCPGit


🏆 Highlights:

  • 🎯 Performance specialist - Proven track record of 50-100× optimization
  • 🚀 CodeIgniter 4 contributor - PR #6302
  • Fast delivery - Cut 6-month project to 3 months (50% faster)
  • 🔧 Built testing tools - Created custom E2E framework when standard tools failed

Pinned Loading

  1. handling-1-million-recordshandling-1-million-recordsPublic

    In this project, I will be handling one million records using different programming languages and different solutions on a small VM. The goal is to find the most efficient way to insert the records…

  2. imdb-performance-optimizationimdb-performance-optimizationPublic

    Proving that PostgreSQL can handle millions of records with proper optimization - achieving up to 108.22× faster query performance.

    Go

  3. yt-music-dlyt-music-dlPublic

    Download YouTube Music tracks as MP3 — complete with cover art, title, artist, and album metadata auto-fetched from Deezer.

    TypeScript 1

  4. git-blame-inlinegit-blame-inlinePublic

    TypeScript 1 1

  5. faq-rag-benchmarkfaq-rag-benchmarkPublic

    8B vs 70B: Does Model Size Matter When You Have RAG?

    Python