https://iamsunildev.in

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  "markdown": "👨‍💻 Hello, I'm\n\nSenior Software Engineer\n\nSenior Software Engineer with 4+ years of experience building scalable cloud-native applications, distributed systems, and enterprise SaaS products across AWS and GCP. I focus on reliable platform engineering, cost optimization, and delivering high-impact features end-to-end.\n\n[Contact Me](https://iamsunildev.in/#contact)[](https://github.com/iamsunildev \"GitHub\")[](https://linkedin.com/in/iamsunildev \"LinkedIn\")[](https://leetcode.com/iamsunildev \"LeetCode\")\n\nFull-Stack Engineer\n\n4+\n\nYears of Experience\n\n30%\n\nCloud Cost Savings\n\n50%\n\nFaster CI/CD Builds\n\n1000+\n\nLeetCode Problems\n\nToolbox\n\n## Skills\n\n### Languages\n\nTypeScriptJavaScriptPythonSQL\n\n### Frameworks\n\nReactTanstack StartAngularExpress.jsNestJSReduxZustand\n\n### Platforms\n\nAWSGoogle CloudCloudflareVercel\n\n### Databases / ORMs\n\nPostgreSQLMySQLRedisFirebaseElasticsearchPrismaSequelize\n\n### Tools\n\nDockerKubernetesS3EC2LambdaSQSECSCloud RunCloud FunctionsPub/SubSentryCloudWatchGitHub ActionsCloud Buildpnpm\n\n### CS Fundamentals\n\nLinuxData StructuresAlgorithms1000+ LeetCode Problems\n\nWhere I've Worked\n\n## Experience\n\nMar 2025 - Present\n\n-   Led frontend modernization of a production React/TypeScript monolith — migrated from CRA to Vite and integrated React Compiler, improving build times, page load, and long-term maintainability.\n-   Implemented LTI 1.3 integrations to onboard 5+ enterprise LMS partners, reducing per-client integration time from days to minutes and unblocking a key revenue channel.\n-   Designed a bulk user onboarding pipeline using AWS SQS, S3 event notifications, and Lambda with chunked processing and retries — replacing a synchronous flow that timed out beyond a few hundred users; now reliably handles 30K+ users in a single run.\n-   Architected a License Management System replacing legacy direct course enrollment with a license-seat model supporting rotation, lifecycle states, and grace periods, giving enterprise clients real-time visibility into purchased vs used capacity.\n-   Mentored 2 interns on codebase architecture, code review practices, and production workflows; both converted to full-time engineers based on delivery and performance.\n-   Optimized CI/CD pipelines by migrating from npm to pnpm, restructuring Dockerfiles for better layer caching, and parallelizing build steps — cutting build times by ~50% and pipeline cost by ~30%.\n\nJun 2022 - Mar 2025\n\n-   Led the end-to-end development of the PAT Workflow application from initial scoping through production rollout, owning architecture, API design, and frontend delivery.\n-   Migrated workloads from VM instance groups to Kubernetes (GKE), introducing horizontal pod autoscaling and resource limits that reduced infrastructure spend by ~30% while improving traffic-spike resilience.\n-   Built a CI/CD pipeline on Google Cloud Build and GitHub Actions with automated tests, image builds, and staged deploys — taking deployments from a manual multi-step process to a single merge-to-deploy flow.\n-   Upgraded Node.js and packages, migrated codebase to TypeScript, and introduced comprehensive unit tests, achieving 99% endpoint reliability and reduced technical debt.\n-   Led a project to optimize unused AWS resources by categorizing each based on purpose and implementing S3 bucket expiration policies, resulting in substantial annual cost reductions.\n-   Optimized SQL queries, reducing execution time by over ~80%, significantly improving database performance and overall system efficiency.\n-   Owned frontend feature delivery for the platform, improving responsiveness across devices and shipping UX changes that improved page load and user engagement.\n\nThings I've Built\n\n## Projects\n\n### Cloud Transcoder\n\nA cloud-native transcoder built with AWS Lambda and S3 to convert videos to different formats and resolutions.\n\nPythonDockerS3EC2CloudWatchCloudFront\n\n[Code](https://github.com/iamsunildev/cloud-transcoder)\n\n### Audio House\n\nA audio chat application made with React, Typescript, Stream.io\n\nReactTypeScriptStream.ioNode.jsExpress.js\n\n[Code](https://github.com/iamsunildev/audio-house)\n\n### Ping Point\n\nA real time chat application, with individual/group chats, profiles, sharing media files and more.\n\nReactTypeScriptNode.jsPostgreSQLSocket.io\n\n[Code](https://github.com/iamsunildev/ping-point)\n\nBragging Rights\n\n## Achievements\n\nSolved 1,000+ LeetCode problems and earned 25+ badges across DSA topics including DP and Graphs.\n\nGraduated with distinction — ranked 1st in BSc Computer Technology (2022).\n\nRecognized twice for delivering the LTI 1.3 enterprise integration and resolving high-priority production issues under tight deadlines.\n\nAwarded Neo Champion, Shining Star, and Rookie Neo for overall performance, team contribution, and rapid early-career growth.\n\nWhere I Studied\n\n## Education\n\nJun 2023 - May 2025\n\n[### SRM University](https://www.srmist.edu.in/ \"Visit SRM University\")\n\nMCA (Computer Application)\n\nTamil Nadu, India\n",
  "fullPageMarkdown": "Sunil J — Senior Software Engineer\n\n[![](https://iamsunildev.in/favicon.svg)Sunil J.](https://iamsunildev.in/#about)[Resume](https://iamsunildev.in/resume.pdf)\n\n👨‍💻 Hello, I'm\n\n# Sunil J\n\nSenior Software Engineer\n\nSenior Software Engineer with 4+ years of experience building scalable cloud-native applications, distributed systems, and enterprise SaaS products across AWS and GCP. I focus on reliable platform engineering, cost optimization, and delivering high-impact features end-to-end.\n\n[Contact Me](https://iamsunildev.in/#contact)[](https://github.com/iamsunildev \"GitHub\")[](https://linkedin.com/in/iamsunildev \"LinkedIn\")[](https://leetcode.com/iamsunildev \"LeetCode\")\n\n👨‍💻Sunil JSenior Software Engineer\n\n![](https://iamsunildev.in/me.jpeg)\n\nFull-Stack Engineer\n\n4+\n\nYears of Experience\n\n30%\n\nCloud Cost Savings\n\n50%\n\nFaster CI/CD Builds\n\n1000+\n\nLeetCode Problems\n\nToolbox## Skills\n\n### Languages\n\nTypeScriptJavaScriptPythonSQL\n\n### Frameworks\n\nReactTanstack StartAngularExpress.jsNestJSReduxZustand\n\n### Platforms\n\nAWSGoogle CloudCloudflareVercel\n\n### Databases / ORMs\n\nPostgreSQLMySQLRedisFirebaseElasticsearchPrismaSequelize\n\n### Tools\n\nDockerKubernetesS3EC2LambdaSQSECSCloud RunCloud FunctionsPub/SubSentryCloudWatchGitHub ActionsCloud Buildpnpm\n\n### CS Fundamentals\n\nLinuxData StructuresAlgorithms1000+ LeetCode Problems\n\nWhere I've Worked## Experience\n\n[### Whizlabs](https://www.whizlabs.com/ \"Visit Whizlabs\")\n\nSenior Software Engineer\n\nMar 2025 - Present\n\n-   Led frontend modernization of a production React/TypeScript monolith — migrated from CRA to Vite and integrated React Compiler, improving build times, page load, and long-term maintainability.\n-   Implemented LTI 1.3 integrations to onboard 5+ enterprise LMS partners, reducing per-client integration time from days to minutes and unblocking a key revenue channel.\n-   Designed a bulk user onboarding pipeline using AWS SQS, S3 event notifications, and Lambda with chunked processing and retries — replacing a synchronous flow that timed out beyond a few hundred users; now reliably handles 30K+ users in a single run.\n-   Architected a License Management System replacing legacy direct course enrollment with a license-seat model supporting rotation, lifecycle states, and grace periods, giving enterprise clients real-time visibility into purchased vs used capacity.\n-   Mentored 2 interns on codebase architecture, code review practices, and production workflows; both converted to full-time engineers based on delivery and performance.\n-   Optimized CI/CD pipelines by migrating from npm to pnpm, restructuring Dockerfiles for better layer caching, and parallelizing build steps — cutting build times by ~50% and pipeline cost by ~30%.\n\n[### Iamneo.ai](https://iamneo.ai/ \"Visit Iamneo.ai\")\n\nSoftware Engineer\n\nJun 2022 - Mar 2025\n\n-   Led the end-to-end development of the PAT Workflow application from initial scoping through production rollout, owning architecture, API design, and frontend delivery.\n-   Migrated workloads from VM instance groups to Kubernetes (GKE), introducing horizontal pod autoscaling and resource limits that reduced infrastructure spend by ~30% while improving traffic-spike resilience.\n-   Built a CI/CD pipeline on Google Cloud Build and GitHub Actions with automated tests, image builds, and staged deploys — taking deployments from a manual multi-step process to a single merge-to-deploy flow.\n-   Upgraded Node.js and packages, migrated codebase to TypeScript, and introduced comprehensive unit tests, achieving 99% endpoint reliability and reduced technical debt.\n-   Led a project to optimize unused AWS resources by categorizing each based on purpose and implementing S3 bucket expiration policies, resulting in substantial annual cost reductions.\n-   Optimized SQL queries, reducing execution time by over ~80%, significantly improving database performance and overall system efficiency.\n-   Owned frontend feature delivery for the platform, improving responsiveness across devices and shipping UX changes that improved page load and user engagement.\n\nThings I've Built## Projects\n\n### Cloud Transcoder\n\nA cloud-native transcoder built with AWS Lambda and S3 to convert videos to different formats and resolutions.\n\nPythonDockerS3EC2CloudWatchCloudFront\n\n[Code](https://github.com/iamsunildev/cloud-transcoder)\n\n### Audio House\n\nA audio chat application made with React, Typescript, Stream.io\n\nReactTypeScriptStream.ioNode.jsExpress.js\n\n[Code](https://github.com/iamsunildev/audio-house)\n\n### Ping Point\n\nA real time chat application, with individual/group chats, profiles, sharing media files and more.\n\nReactTypeScriptNode.jsPostgreSQLSocket.io\n\n[Code](https://github.com/iamsunildev/ping-point)\n\nBragging Rights## Achievements\n\n### Algorithmic Depth\n\nSolved 1,000+ LeetCode problems and earned 25+ badges across DSA topics including DP and Graphs.\n\n### Ranked 1st in UG\n\nGraduated with distinction — ranked 1st in BSc Computer Technology (2022).\n\n### Whizlabs Recognition\n\nRecognized twice for delivering the LTI 1.3 enterprise integration and resolving high-priority production issues under tight deadlines.\n\n### Iamneo Awards\n\nAwarded Neo Champion, Shining Star, and Rookie Neo for overall performance, team contribution, and rapid early-career growth.\n\nWhere I Studied## Education\n\nJun 2023 - May 2025\n\n[### SRM University](https://www.srmist.edu.in/ \"Visit SRM University\")\n\nMCA (Computer Application)\n\nTamil Nadu, India\n\nJul 2019 - May 2022\n\n[### VLB College of Arts and Science](https://www.vlbjcas.ac.in/ \"Visit VLB College of Arts and Science\")\n\nBSc (Computer Technology)\n\nTamil Nadu, India\n",
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          "language": "php",
          "filename": "functions.php",
          "code": "<?php\n// Quick Open Graph tags without a plugin (skip if Yoast / Rank Math is active)\nadd_action('wp_head', function () {\n    if (!is_singular()) return;\n    $post = get_queried_object();\n    $title = get_the_title($post);\n    $desc  = get_the_excerpt($post) ?: wp_trim_words(strip_tags($post->post_content), 30);\n    $image = get_the_post_thumbnail_url($post, 'large') ?: 'https://yoursite.com/og-image.jpg';\n    $url   = get_permalink($post);\n    printf('<meta property=\"og:title\" content=\"%s\">' . \"\\n\", esc_attr($title));\n    printf('<meta property=\"og:description\" content=\"%s\">' . \"\\n\", esc_attr($desc));\n    printf('<meta property=\"og:image\" content=\"%s\">' . \"\\n\", esc_url($image));\n    printf('<meta property=\"og:url\" content=\"%s\">' . \"\\n\", esc_url($url));\n    echo '<meta property=\"og:type\" content=\"article\">' . \"\\n\";\n}, 5);"
        },
        {
          "id": "nextjs",
          "label": "Next.js",
          "language": "typescript",
          "filename": "app/page.tsx",
          "code": "// Next.js App Router — Metadata API\nimport type { Metadata } from 'next';\n\nexport const metadata: Metadata = {\n  title: \"Sunil J — Senior Software Engineer\",\n  description: \"Senior Software Engineer with 4+ years of experience building event-driven systems and cloud-native architectures on AWS & GCP.\",\n  openGraph: {\n    title: \"Sunil J — Senior Software Engineer\",\n    description: \"Senior Software Engineer with 4+ years of experience building event-driven systems and cloud-native architectures on AWS & GCP.\",\n    url: \"https://iamsunildev.in\",\n    images: [\"https://yoursite.com/og-image.jpg\"],\n    type: 'website',\n  },\n};"
        }
      ]
    },
    {
      "id": "add_canonical_url",
      "title": "Add canonical URL",
      "description": "The canonical URL tells AI agents which version of the page is the \"official\" one, avoiding duplicate content issues.",
      "language": "html",
      "code": "<link rel=\"canonical\" href=\"https://iamsunildev.in\">",
      "filename": "<head>"
    },
    {
      "id": "add_schema_org",
      "title": "Add Schema.org JSON-LD",
      "description": "Structured data helps AI agents understand the type, author, and purpose of your content.",
      "language": "html",
      "code": "<script type=\"application/ld+json\">\n{\n  \"@context\": \"https://schema.org\",\n  \"@type\": \"WebPage\",\n  \"name\": \"Sunil J — Senior Software Engineer\",\n  \"description\": \"Senior Software Engineer with 4+ years of experience building event-driven systems and cloud-native architectures on AWS & GCP.\",\n  \"url\": \"https://iamsunildev.in\",\n  \"inLanguage\": \"en\"\n}\n</script>",
      "filename": "<head>"
    },
    {
      "id": "add_sitemap",
      "title": "Create /sitemap.xml",
      "description": "A sitemap helps AI agents discover all your pages. Most CMS platforms generate one automatically.",
      "language": "xml",
      "code": "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<urlset xmlns=\"http://www.sitemaps.org/schemas/sitemap/0.9\">\n  <url>\n    <loc>https://iamsunildev.in</loc>\n    <lastmod>2026-10-03</lastmod>\n  </url>\n</urlset>",
      "filename": "/sitemap.xml"
    },
    {
      "id": "add_content_signals",
      "title": "Add Content-Signal directives",
      "description": "Content-Signal tells AI agents how they may use your content. The canonical location is robots.txt, but you can also expose it as an HTTP header from any stack.",
      "language": "txt",
      "code": "User-agent: *\nContent-Signal: search=yes, ai-input=yes, ai-train=no",
      "filename": "/robots.txt",
      "stacks": [
        {
          "id": "robots",
          "label": "robots.txt",
          "language": "txt",
          "filename": "/robots.txt",
          "code": "User-agent: *\nContent-Signal: search=yes, ai-input=yes, ai-train=no"
        },
        {
          "id": "nginx",
          "label": "Nginx",
          "language": "nginx",
          "filename": "server block",
          "code": "# Inside your server { } block:\nadd_header Content-Signal \"search=yes, ai-input=yes, ai-train=no\" always;"
        },
        {
          "id": "apache",
          "label": "Apache",
          "language": "apache",
          "filename": ".htaccess",
          "code": "# In .htaccess (or VirtualHost):\nHeader set Content-Signal \"search=yes, ai-input=yes, ai-train=no\""
        },
        {
          "id": "wordpress",
          "label": "WordPress",
          "language": "php",
          "filename": "functions.php",
          "code": "<?php\n// In your theme's functions.php or a small mu-plugin\nadd_action('send_headers', function () {\n    header('Content-Signal: search=yes, ai-input=yes, ai-train=no');\n});\n\n// Optional: also append the directive to the dynamic robots.txt\nadd_filter('robots_txt', function ($output) {\n    return $output . \"\\nContent-Signal: search=yes, ai-input=yes, ai-train=no\\n\";\n}, 10, 1);"
        },
        {
          "id": "nextjs",
          "label": "Next.js",
          "language": "typescript",
          "filename": "middleware.ts",
          "code": "// middleware.ts (Next.js 13+ App Router or Pages Router)\nimport { NextResponse } from 'next/server';\nexport function middleware() {\n  const res = NextResponse.next();\n  res.headers.set(\n    'Content-Signal',\n    'search=yes, ai-input=yes, ai-train=no'\n  );\n  return res;\n}\nexport const config = { matcher: '/:path*' };"
        },
        {
          "id": "cloudflare",
          "label": "Cloudflare Workers",
          "language": "javascript",
          "filename": "worker.js",
          "code": "// Cloudflare Worker that proxies your origin and adds the header\nexport default {\n  async fetch(request, env, ctx) {\n    const res = await fetch(request);\n    const newRes = new Response(res.body, res);\n    newRes.headers.set(\n      'Content-Signal',\n      'search=yes, ai-input=yes, ai-train=no'\n    );\n    return newRes;\n  },\n};"
        },
        {
          "id": "express",
          "label": "Express / Fastify",
          "language": "javascript",
          "filename": "server.js",
          "code": "// Express\napp.use((req, res, next) => {\n  res.setHeader('Content-Signal', 'search=yes, ai-input=yes, ai-train=no');\n  next();\n});\n\n// Fastify\nfastify.addHook('onSend', (request, reply, payload, done) => {\n  reply.header('Content-Signal', 'search=yes, ai-input=yes, ai-train=no');\n  done();\n});"
        }
      ]
    },
    {
      "id": "add_markdown_negotiation",
      "title": "Support Markdown for Agents",
      "description": "Let AI agents request a clean Markdown version of any page via content negotiation, .md alternate URLs, link tags or Link headers.",
      "language": "html",
      "code": "<!-- Mechanism 3: link tag advertising the .md alternate -->\n<link rel=\"alternate\" type=\"text/markdown\" href=\"/page.md\">",
      "filename": "<head>",
      "stacks": [
        {
          "id": "html",
          "label": "HTML <head>",
          "language": "html",
          "filename": "<head>",
          "code": "<!-- Mechanism 3: link tag advertising the .md alternate -->\n<link rel=\"alternate\" type=\"text/markdown\" href=\"/page.md\">"
        },
        {
          "id": "express",
          "label": "Express",
          "language": "javascript",
          "filename": "server.js",
          "code": "// Mechanisms 1 + 4: content negotiation + Link header\napp.get('/page', (req, res) => {\n  res.setHeader('Vary', 'Accept');\n  res.setHeader('Link', '</page.md>; rel=\"alternate\"; type=\"text/markdown\"');\n  if ((req.headers.accept || '').includes('text/markdown')) {\n    res.type('text/markdown; charset=utf-8');\n    return res.send(renderMarkdown('page'));\n  }\n  res.render('page');\n});"
        },
        {
          "id": "fastify",
          "label": "Fastify",
          "language": "javascript",
          "filename": "server.js",
          "code": "// Mechanisms 1 + 4: content negotiation + Link header\nfastify.get('/page', async (req, reply) => {\n  reply.header('Vary', 'Accept');\n  reply.header('Link', '</page.md>; rel=\"alternate\"; type=\"text/markdown\"');\n  if ((req.headers.accept || '').includes('text/markdown')) {\n    return reply.type('text/markdown; charset=utf-8').send(renderMarkdown('page'));\n  }\n  return reply.view('/page.ejs');\n});"
        },
        {
          "id": "nextjs",
          "label": "Next.js",
          "language": "typescript",
          "filename": "app/page/route.ts",
          "code": "// Next.js App Router — Route Handler returning Markdown\nimport { NextRequest } from 'next/server';\nimport { renderMarkdown } from '@/lib/md';\nexport async function GET(req: NextRequest) {\n  const accept = req.headers.get('accept') || '';\n  if (accept.includes('text/markdown')) {\n    return new Response(await renderMarkdown('page'), {\n      headers: {\n        'Content-Type': 'text/markdown; charset=utf-8',\n        'Vary': 'Accept',\n      },\n    });\n  }\n  // Fall through to the page component\n  return new Response(null, { status: 404 });\n}"
        },
        {
          "id": "wordpress",
          "label": "WordPress",
          "language": "php",
          "filename": "functions.php",
          "code": "<?php\n// Mechanism 1: respond to Accept: text/markdown on the same URL\nadd_action('template_redirect', function () {\n    if (!is_singular()) return;\n    $accept = $_SERVER['HTTP_ACCEPT'] ?? '';\n    if (strpos($accept, 'text/markdown') === false) return;\n    header('Content-Type: text/markdown; charset=utf-8');\n    header('Vary: Accept');\n    $post = get_queried_object();\n    echo \"# \" . get_the_title($post) . \"\\n\\n\";\n    echo wp_strip_all_tags(apply_filters('the_content', $post->post_content));\n    exit;\n});"
        },
        {
          "id": "static",
          "label": "Hugo / Jekyll / Astro",
          "language": "txt",
          "filename": "static/page.md",
          "code": "# Mechanism 2: serve .md alongside .html\n# Hugo: place page.md in /static/ — built unchanged\n# Jekyll: drop page.md in /assets/ — copied as-is\n# Astro: src/pages/page.md.ts that exports a GET returning markdown\n\n# Then advertise with mechanism 3 in <head>:\n#   <link rel=\"alternate\" type=\"text/markdown\" href=\"/page.md\">"
        }
      ]
    }
  ]
}

APIを使用してプログラムで取得できます（近日公開）