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hltav/README.md

Hi, I'm Hudson Tavares 👋

Backend Software Engineer | Node.js • Go • PHP

APIs, distributed services, performance and production infrastructure.

LinkedInEmail


About me

Backend-focused software engineer working with Node.js, TypeScript, Go and PHP.

I currently contribute as Technical Lead and Backend Maintainer at Candidate and develop RT Sports Manager, a sports bankroll management product.

My main interests are backend architecture, service communication, performance, testing, Docker infrastructure and production reliability.


Featured work

Open-source job aggregation platform composed of a Node.js API, Go scraper, React applications, PostgreSQL and Valkey.

As Technical Lead and Backend Maintainer, I work with architecture, code reviews, releases, production support, security, testing and performance.

A recent Go-based scraper evolution reduced the execution time of 5–6 keyword batches from approximately 5–9 minutes to 15–20 seconds.

Node.jsTypeScriptGoPostgreSQLValkeyDockerCI/CDObservability


RT Sports Manager

Sports bankroll management product currently under active development.

The platform includes authentication, bankroll and betting management, transactional emails and sports statistics. Its architecture is evolving to use Go and gRPC for intensive processing, while Node.js remains responsible for the main application and business workflows.

BackendFrontendApplication

NestJSFastifyNext.jsPostgreSQLPrismaGogRPC


Technologies

Backend

TypeScriptGoPHPNode.jsNestJSFastifyLaravel

REST APIsgRPCProtocol BuffersMicroservicesBullMQHexagonal Architecture


Frontend

JavaScriptTypeScriptReactNext.jsAngularMaterial UITailwind CSS

React Next.jsAngularViteMaterial UITailwind CSS


Databases, ORMs and caching

PostgreSQLMongoDBMySQLPrisma ORMDrizzle ORMRedisValkey

PostgreSQLMongoDBMySQLPrismaDrizzle ORMRedisValkey


DevOps, infrastructure and observability

DockerDocker ComposeLinuxGitHub ActionsNginxBashPrometheusGrafanaLokiGit

Docker ComposeCI/CDLinux/VPSNginxPM2PrometheusGrafanaLokiAlertmanager

Open to backend and full-stack opportunities in Brazil and international teams.

Pinned Loading

  1. Jobs_Scraper_GlobalJobs_Scraper_GlobalPublic

    Forked from Cla-Code-Community/candidate

    Bot de automacao para buscar vagas no LinkedIn com foco em Brasil remoto e exportar os resultados em Excel e PDF.

    TypeScript 2

  2. mobility_project_backendmobility_project_backendPublic

    PHP 1

  3. Cla-Code-Community/candidateCla-Code-Community/candidatePublic

    Simplifique sua busca por emprego. Todas as oportunidades do mercado reunidas em uma plataforma inteligente e automatizada.

    TypeScript 86 27

  4. rails-angular-jobsrails-angular-jobsPublic

    Ruby 1

, '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" + '
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  • Mogi das Cruzes, São Paulo

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hltav/README.md

Hi, I'm Hudson Tavares 👋

Backend Software Engineer | Node.js • Go • PHP

APIs, distributed services, performance and production infrastructure.

LinkedInEmail


About me

Backend-focused software engineer working with Node.js, TypeScript, Go and PHP.

I currently contribute as Technical Lead and Backend Maintainer at Candidate and develop RT Sports Manager, a sports bankroll management product.

My main interests are backend architecture, service communication, performance, testing, Docker infrastructure and production reliability.


Featured work

Open-source job aggregation platform composed of a Node.js API, Go scraper, React applications, PostgreSQL and Valkey.

As Technical Lead and Backend Maintainer, I work with architecture, code reviews, releases, production support, security, testing and performance.

A recent Go-based scraper evolution reduced the execution time of 5–6 keyword batches from approximately 5–9 minutes to 15–20 seconds.

Node.jsTypeScriptGoPostgreSQLValkeyDockerCI/CDObservability


RT Sports Manager

Sports bankroll management product currently under active development.

The platform includes authentication, bankroll and betting management, transactional emails and sports statistics. Its architecture is evolving to use Go and gRPC for intensive processing, while Node.js remains responsible for the main application and business workflows.

BackendFrontendApplication

NestJSFastifyNext.jsPostgreSQLPrismaGogRPC


Technologies

Backend

TypeScriptGoPHPNode.jsNestJSFastifyLaravel

REST APIsgRPCProtocol BuffersMicroservicesBullMQHexagonal Architecture


Frontend

JavaScriptTypeScriptReactNext.jsAngularMaterial UITailwind CSS

React Next.jsAngularViteMaterial UITailwind CSS


Databases, ORMs and caching

PostgreSQLMongoDBMySQLPrisma ORMDrizzle ORMRedisValkey

PostgreSQLMongoDBMySQLPrismaDrizzle ORMRedisValkey


DevOps, infrastructure and observability

DockerDocker ComposeLinuxGitHub ActionsNginxBashPrometheusGrafanaLokiGit

Docker ComposeCI/CDLinux/VPSNginxPM2PrometheusGrafanaLokiAlertmanager

Open to backend and full-stack opportunities in Brazil and international teams.

Pinned Loading

  1. Jobs_Scraper_GlobalJobs_Scraper_GlobalPublic

    Forked from Cla-Code-Community/candidate

    Bot de automacao para buscar vagas no LinkedIn com foco em Brasil remoto e exportar os resultados em Excel e PDF.

    TypeScript 2

  2. mobility_project_backendmobility_project_backendPublic

    PHP 1

  3. Cla-Code-Community/candidateCla-Code-Community/candidatePublic

    Simplifique sua busca por emprego. Todas as oportunidades do mercado reunidas em uma plataforma inteligente e automatizada.

    TypeScript 86 27

  4. rails-angular-jobsrails-angular-jobsPublic

    Ruby 1

, '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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  • Mogi das Cruzes, São Paulo

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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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hltav/README.md

Hi, I'm Hudson Tavares 👋

Backend Software Engineer | Node.js • Go • PHP

APIs, distributed services, performance and production infrastructure.

LinkedInEmail


About me

Backend-focused software engineer working with Node.js, TypeScript, Go and PHP.

I currently contribute as Technical Lead and Backend Maintainer at Candidate and develop RT Sports Manager, a sports bankroll management product.

My main interests are backend architecture, service communication, performance, testing, Docker infrastructure and production reliability.


Featured work

Open-source job aggregation platform composed of a Node.js API, Go scraper, React applications, PostgreSQL and Valkey.

As Technical Lead and Backend Maintainer, I work with architecture, code reviews, releases, production support, security, testing and performance.

A recent Go-based scraper evolution reduced the execution time of 5–6 keyword batches from approximately 5–9 minutes to 15–20 seconds.

Node.jsTypeScriptGoPostgreSQLValkeyDockerCI/CDObservability


RT Sports Manager

Sports bankroll management product currently under active development.

The platform includes authentication, bankroll and betting management, transactional emails and sports statistics. Its architecture is evolving to use Go and gRPC for intensive processing, while Node.js remains responsible for the main application and business workflows.

BackendFrontendApplication

NestJSFastifyNext.jsPostgreSQLPrismaGogRPC


Technologies

Backend

TypeScriptGoPHPNode.jsNestJSFastifyLaravel

REST APIsgRPCProtocol BuffersMicroservicesBullMQHexagonal Architecture


Frontend

JavaScriptTypeScriptReactNext.jsAngularMaterial UITailwind CSS

React Next.jsAngularViteMaterial UITailwind CSS


Databases, ORMs and caching

PostgreSQLMongoDBMySQLPrisma ORMDrizzle ORMRedisValkey

PostgreSQLMongoDBMySQLPrismaDrizzle ORMRedisValkey


DevOps, infrastructure and observability

DockerDocker ComposeLinuxGitHub ActionsNginxBashPrometheusGrafanaLokiGit

Docker ComposeCI/CDLinux/VPSNginxPM2PrometheusGrafanaLokiAlertmanager

Open to backend and full-stack opportunities in Brazil and international teams.

Pinned Loading

  1. Jobs_Scraper_GlobalJobs_Scraper_GlobalPublic

    Forked from Cla-Code-Community/candidate

    Bot de automacao para buscar vagas no LinkedIn com foco em Brasil remoto e exportar os resultados em Excel e PDF.

    TypeScript 2

  2. mobility_project_backendmobility_project_backendPublic

    PHP 1

  3. Cla-Code-Community/candidateCla-Code-Community/candidatePublic

    Simplifique sua busca por emprego. Todas as oportunidades do mercado reunidas em uma plataforma inteligente e automatizada.

    TypeScript 86 27

  4. rails-angular-jobsrails-angular-jobsPublic

    Ruby 1

, '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
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  • Mogi das Cruzes, São Paulo

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hltav/README.md

Hi, I'm Hudson Tavares 👋

Backend Software Engineer | Node.js • Go • PHP

APIs, distributed services, performance and production infrastructure.

LinkedInEmail


About me

Backend-focused software engineer working with Node.js, TypeScript, Go and PHP.

I currently contribute as Technical Lead and Backend Maintainer at Candidate and develop RT Sports Manager, a sports bankroll management product.

My main interests are backend architecture, service communication, performance, testing, Docker infrastructure and production reliability.


Featured work

Open-source job aggregation platform composed of a Node.js API, Go scraper, React applications, PostgreSQL and Valkey.

As Technical Lead and Backend Maintainer, I work with architecture, code reviews, releases, production support, security, testing and performance.

A recent Go-based scraper evolution reduced the execution time of 5–6 keyword batches from approximately 5–9 minutes to 15–20 seconds.

Node.jsTypeScriptGoPostgreSQLValkeyDockerCI/CDObservability


RT Sports Manager

Sports bankroll management product currently under active development.

The platform includes authentication, bankroll and betting management, transactional emails and sports statistics. Its architecture is evolving to use Go and gRPC for intensive processing, while Node.js remains responsible for the main application and business workflows.

BackendFrontendApplication

NestJSFastifyNext.jsPostgreSQLPrismaGogRPC


Technologies

Backend

TypeScriptGoPHPNode.jsNestJSFastifyLaravel

REST APIsgRPCProtocol BuffersMicroservicesBullMQHexagonal Architecture


Frontend

JavaScriptTypeScriptReactNext.jsAngularMaterial UITailwind CSS

React Next.jsAngularViteMaterial UITailwind CSS


Databases, ORMs and caching

PostgreSQLMongoDBMySQLPrisma ORMDrizzle ORMRedisValkey

PostgreSQLMongoDBMySQLPrismaDrizzle ORMRedisValkey


DevOps, infrastructure and observability

DockerDocker ComposeLinuxGitHub ActionsNginxBashPrometheusGrafanaLokiGit

Docker ComposeCI/CDLinux/VPSNginxPM2PrometheusGrafanaLokiAlertmanager

Open to backend and full-stack opportunities in Brazil and international teams.

Pinned Loading

  1. Jobs_Scraper_GlobalJobs_Scraper_GlobalPublic

    Forked from Cla-Code-Community/candidate

    Bot de automacao para buscar vagas no LinkedIn com foco em Brasil remoto e exportar os resultados em Excel e PDF.

    TypeScript 2

  2. mobility_project_backendmobility_project_backendPublic

    PHP 1

  3. Cla-Code-Community/candidateCla-Code-Community/candidatePublic

    Simplifique sua busca por emprego. Todas as oportunidades do mercado reunidas em uma plataforma inteligente e automatizada.

    TypeScript 86 27

  4. rails-angular-jobsrails-angular-jobsPublic

    Ruby 1

, '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
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  • Mogi das Cruzes, São Paulo

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hltav/README.md

Hi, I'm Hudson Tavares 👋

Backend Software Engineer | Node.js • Go • PHP

APIs, distributed services, performance and production infrastructure.

LinkedInEmail


About me

Backend-focused software engineer working with Node.js, TypeScript, Go and PHP.

I currently contribute as Technical Lead and Backend Maintainer at Candidate and develop RT Sports Manager, a sports bankroll management product.

My main interests are backend architecture, service communication, performance, testing, Docker infrastructure and production reliability.


Featured work

Open-source job aggregation platform composed of a Node.js API, Go scraper, React applications, PostgreSQL and Valkey.

As Technical Lead and Backend Maintainer, I work with architecture, code reviews, releases, production support, security, testing and performance.

A recent Go-based scraper evolution reduced the execution time of 5–6 keyword batches from approximately 5–9 minutes to 15–20 seconds.

Node.jsTypeScriptGoPostgreSQLValkeyDockerCI/CDObservability


RT Sports Manager

Sports bankroll management product currently under active development.

The platform includes authentication, bankroll and betting management, transactional emails and sports statistics. Its architecture is evolving to use Go and gRPC for intensive processing, while Node.js remains responsible for the main application and business workflows.

BackendFrontendApplication

NestJSFastifyNext.jsPostgreSQLPrismaGogRPC


Technologies

Backend

TypeScriptGoPHPNode.jsNestJSFastifyLaravel

REST APIsgRPCProtocol BuffersMicroservicesBullMQHexagonal Architecture


Frontend

JavaScriptTypeScriptReactNext.jsAngularMaterial UITailwind CSS

React Next.jsAngularViteMaterial UITailwind CSS


Databases, ORMs and caching

PostgreSQLMongoDBMySQLPrisma ORMDrizzle ORMRedisValkey

PostgreSQLMongoDBMySQLPrismaDrizzle ORMRedisValkey


DevOps, infrastructure and observability

DockerDocker ComposeLinuxGitHub ActionsNginxBashPrometheusGrafanaLokiGit

Docker ComposeCI/CDLinux/VPSNginxPM2PrometheusGrafanaLokiAlertmanager

Open to backend and full-stack opportunities in Brazil and international teams.

Pinned Loading

  1. Jobs_Scraper_GlobalJobs_Scraper_GlobalPublic

    Forked from Cla-Code-Community/candidate

    Bot de automacao para buscar vagas no LinkedIn com foco em Brasil remoto e exportar os resultados em Excel e PDF.

    TypeScript 2

  2. mobility_project_backendmobility_project_backendPublic

    PHP 1

  3. Cla-Code-Community/candidateCla-Code-Community/candidatePublic

    Simplifique sua busca por emprego. Todas as oportunidades do mercado reunidas em uma plataforma inteligente e automatizada.

    TypeScript 86 27

  4. rails-angular-jobsrails-angular-jobsPublic

    Ruby 1

, '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 hltav's full-sized avatar
  • Mogi das Cruzes, São Paulo

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hltav/README.md

Hi, I'm Hudson Tavares 👋

Backend Software Engineer | Node.js • Go • PHP

APIs, distributed services, performance and production infrastructure.

LinkedInEmail


About me

Backend-focused software engineer working with Node.js, TypeScript, Go and PHP.

I currently contribute as Technical Lead and Backend Maintainer at Candidate and develop RT Sports Manager, a sports bankroll management product.

My main interests are backend architecture, service communication, performance, testing, Docker infrastructure and production reliability.


Featured work

Open-source job aggregation platform composed of a Node.js API, Go scraper, React applications, PostgreSQL and Valkey.

As Technical Lead and Backend Maintainer, I work with architecture, code reviews, releases, production support, security, testing and performance.

A recent Go-based scraper evolution reduced the execution time of 5–6 keyword batches from approximately 5–9 minutes to 15–20 seconds.

Node.jsTypeScriptGoPostgreSQLValkeyDockerCI/CDObservability


RT Sports Manager

Sports bankroll management product currently under active development.

The platform includes authentication, bankroll and betting management, transactional emails and sports statistics. Its architecture is evolving to use Go and gRPC for intensive processing, while Node.js remains responsible for the main application and business workflows.

BackendFrontendApplication

NestJSFastifyNext.jsPostgreSQLPrismaGogRPC


Technologies

Backend

TypeScriptGoPHPNode.jsNestJSFastifyLaravel

REST APIsgRPCProtocol BuffersMicroservicesBullMQHexagonal Architecture


Frontend

JavaScriptTypeScriptReactNext.jsAngularMaterial UITailwind CSS

React Next.jsAngularViteMaterial UITailwind CSS


Databases, ORMs and caching

PostgreSQLMongoDBMySQLPrisma ORMDrizzle ORMRedisValkey

PostgreSQLMongoDBMySQLPrismaDrizzle ORMRedisValkey


DevOps, infrastructure and observability

DockerDocker ComposeLinuxGitHub ActionsNginxBashPrometheusGrafanaLokiGit

Docker ComposeCI/CDLinux/VPSNginxPM2PrometheusGrafanaLokiAlertmanager

Open to backend and full-stack opportunities in Brazil and international teams.

Pinned Loading

  1. Jobs_Scraper_GlobalJobs_Scraper_GlobalPublic

    Forked from Cla-Code-Community/candidate

    Bot de automacao para buscar vagas no LinkedIn com foco em Brasil remoto e exportar os resultados em Excel e PDF.

    TypeScript 2

  2. mobility_project_backendmobility_project_backendPublic

    PHP 1

  3. Cla-Code-Community/candidateCla-Code-Community/candidatePublic

    Simplifique sua busca por emprego. Todas as oportunidades do mercado reunidas em uma plataforma inteligente e automatizada.

    TypeScript 86 27

  4. rails-angular-jobsrails-angular-jobsPublic

    Ruby 1

, '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
View hltav's full-sized avatar
  • Mogi das Cruzes, São Paulo

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hltav/README.md

Hi, I'm Hudson Tavares 👋

Backend Software Engineer | Node.js • Go • PHP

APIs, distributed services, performance and production infrastructure.

LinkedInEmail


About me

Backend-focused software engineer working with Node.js, TypeScript, Go and PHP.

I currently contribute as Technical Lead and Backend Maintainer at Candidate and develop RT Sports Manager, a sports bankroll management product.

My main interests are backend architecture, service communication, performance, testing, Docker infrastructure and production reliability.


Featured work

Open-source job aggregation platform composed of a Node.js API, Go scraper, React applications, PostgreSQL and Valkey.

As Technical Lead and Backend Maintainer, I work with architecture, code reviews, releases, production support, security, testing and performance.

A recent Go-based scraper evolution reduced the execution time of 5–6 keyword batches from approximately 5–9 minutes to 15–20 seconds.

Node.jsTypeScriptGoPostgreSQLValkeyDockerCI/CDObservability


RT Sports Manager

Sports bankroll management product currently under active development.

The platform includes authentication, bankroll and betting management, transactional emails and sports statistics. Its architecture is evolving to use Go and gRPC for intensive processing, while Node.js remains responsible for the main application and business workflows.

BackendFrontendApplication

NestJSFastifyNext.jsPostgreSQLPrismaGogRPC


Technologies

Backend

TypeScriptGoPHPNode.jsNestJSFastifyLaravel

REST APIsgRPCProtocol BuffersMicroservicesBullMQHexagonal Architecture


Frontend

JavaScriptTypeScriptReactNext.jsAngularMaterial UITailwind CSS

React Next.jsAngularViteMaterial UITailwind CSS


Databases, ORMs and caching

PostgreSQLMongoDBMySQLPrisma ORMDrizzle ORMRedisValkey

PostgreSQLMongoDBMySQLPrismaDrizzle ORMRedisValkey


DevOps, infrastructure and observability

DockerDocker ComposeLinuxGitHub ActionsNginxBashPrometheusGrafanaLokiGit

Docker ComposeCI/CDLinux/VPSNginxPM2PrometheusGrafanaLokiAlertmanager

Open to backend and full-stack opportunities in Brazil and international teams.

Pinned Loading

  1. Jobs_Scraper_GlobalJobs_Scraper_GlobalPublic

    Forked from Cla-Code-Community/candidate

    Bot de automacao para buscar vagas no LinkedIn com foco em Brasil remoto e exportar os resultados em Excel e PDF.

    TypeScript 2

  2. mobility_project_backendmobility_project_backendPublic

    PHP 1

  3. Cla-Code-Community/candidateCla-Code-Community/candidatePublic

    Simplifique sua busca por emprego. Todas as oportunidades do mercado reunidas em uma plataforma inteligente e automatizada.

    TypeScript 86 27

  4. rails-angular-jobsrails-angular-jobsPublic

    Ruby 1

, '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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hltav/README.md

Hi, I'm Hudson Tavares 👋

Backend Software Engineer | Node.js • Go • PHP

APIs, distributed services, performance and production infrastructure.

LinkedInEmail


About me

Backend-focused software engineer working with Node.js, TypeScript, Go and PHP.

I currently contribute as Technical Lead and Backend Maintainer at Candidate and develop RT Sports Manager, a sports bankroll management product.

My main interests are backend architecture, service communication, performance, testing, Docker infrastructure and production reliability.


Featured work

Open-source job aggregation platform composed of a Node.js API, Go scraper, React applications, PostgreSQL and Valkey.

As Technical Lead and Backend Maintainer, I work with architecture, code reviews, releases, production support, security, testing and performance.

A recent Go-based scraper evolution reduced the execution time of 5–6 keyword batches from approximately 5–9 minutes to 15–20 seconds.

Node.jsTypeScriptGoPostgreSQLValkeyDockerCI/CDObservability


RT Sports Manager

Sports bankroll management product currently under active development.

The platform includes authentication, bankroll and betting management, transactional emails and sports statistics. Its architecture is evolving to use Go and gRPC for intensive processing, while Node.js remains responsible for the main application and business workflows.

BackendFrontendApplication

NestJSFastifyNext.jsPostgreSQLPrismaGogRPC


Technologies

Backend

TypeScriptGoPHPNode.jsNestJSFastifyLaravel

REST APIsgRPCProtocol BuffersMicroservicesBullMQHexagonal Architecture


Frontend

JavaScriptTypeScriptReactNext.jsAngularMaterial UITailwind CSS

React Next.jsAngularViteMaterial UITailwind CSS


Databases, ORMs and caching

PostgreSQLMongoDBMySQLPrisma ORMDrizzle ORMRedisValkey

PostgreSQLMongoDBMySQLPrismaDrizzle ORMRedisValkey


DevOps, infrastructure and observability

DockerDocker ComposeLinuxGitHub ActionsNginxBashPrometheusGrafanaLokiGit

Docker ComposeCI/CDLinux/VPSNginxPM2PrometheusGrafanaLokiAlertmanager

Open to backend and full-stack opportunities in Brazil and international teams.

Pinned Loading

  1. Jobs_Scraper_GlobalJobs_Scraper_GlobalPublic

    Forked from Cla-Code-Community/candidate

    Bot de automacao para buscar vagas no LinkedIn com foco em Brasil remoto e exportar os resultados em Excel e PDF.

    TypeScript 2

  2. mobility_project_backendmobility_project_backendPublic

    PHP 1

  3. Cla-Code-Community/candidateCla-Code-Community/candidatePublic

    Simplifique sua busca por emprego. Todas as oportunidades do mercado reunidas em uma plataforma inteligente e automatizada.

    TypeScript 86 27

  4. rails-angular-jobsrails-angular-jobsPublic

    Ruby 1