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Calebe-Dev/README.md

Calebe Araujo — Full Stack Developer

Full Stack Developer focused on scalable web systems, microservices architecture, and web performance. Independently built a proprietary microservices CRM integrating 25 simultaneous sites, reducing page load time from 8s to 1s — 90% performance improvement.

🇧🇷 Based in Sorocaba, Brazil · Open to remote, hybrid or on-site opportunities

🧑‍💻 About Me

  • 💼 Full Stack Developer at Grupo OC — microservices, Angular, Svelte, Node.js, Java, PostgreSQL, Docker and AWS in production.
  • ⚡ Web Performance & Technical SEO — Core Web Vitals, Lighthouse, semantic HTML, accessibility (WCAG).
  • 🔗 Systems Integration — Headless CMS (Directus), REST APIs, multi-platform data sync.
  • 🎓 Systems Analysis and Development — Fatec Itu (2023–2026).
  • 🧠 Continuous learner — architecture, testing, observability and AI-powered automations.

💼 Professional Experience

Full Stack Developer — Grupo OC (Aug 2025 – present)

Architected and built a proprietary microservices CRM integrating 25 sites with centralized Headless CMS (Directus) and REST APIs. Migrated legacy stacks to Angular and Svelte — load time dropped from 8s to 1s (90% improvement). Manages Docker and AWS infrastructure. Angular Svelte TypeScript Node.js Java PostgreSQL Directus Docker AWS

Web Developer — Alpha Company ADS (Feb–Aug 2025)

Developed 60+ landing pages and institutional sites. Applied technical SEO, performance optimization, and integrated Google Analytics, GTM and conversion pixels. Managed paid campaigns on Meta Ads and Google Ads. WordPress Technical SEO Core Web Vitals GTM Meta Ads Google Ads

Web Developer Intern — QIplus (May 2024–Feb 2025)

Built responsive web applications (HTML, CSS, JS). Integrated third-party APIs and developed automation experiments using LLM APIs. HTML5 CSS3 JavaScript WordPress REST APIs AI Automation

🛠 Tech Stack

Frontend

Angular Svelte TypeScript JavaScript HTML5 CSS3

Backend & Databases

Node.js Java Express PostgreSQL MongoDB REST API

Infra & DevOps

Docker AWS GitHub Actions Git Linux NGINX

CMS & Headless

Directus WordPress

SEO, Analytics & Performance

Lighthouse Google Analytics Google Tag Manager

📊 GitHub Stats

GitHub Stats    Top Languages

🌱 Currently Deepening

  • Advanced TypeScript patterns and architecture
  • Automated testing — unit and e2e
  • CI/CD pipelines with GitHub Actions
  • AI-powered automations and LLM integrations

🌐 Connect

LinkedIn Portfolio Email

Pinned Loading

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