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MatheusMenezes08/README.md

Matheus Menezes 👋

Backend Developer focused on building APIs, automation systems, and AI-powered workflows that solve real business problems.

🔧 Tech Stack

  • Backend: Node.js, JavaScript, REST APIs, Webhooks
  • Automation: n8n (async workflows, batching, branching, integrations)
  • Databases: PostgreSQL, Supabase
  • AI / LLMs: OpenAI Assistants, RAG (File Search + Vector Stores), Prompt Engineering
  • DevOps & Tools: Git, GitHub Actions, Docker, Railway

🚀 Selected Projects

🧠 NeuroGPT — AI-powered learning platform

Role: Backend Developer (Part-time)

  • Built and maintained backend APIs and integrations using Node.js and PostgreSQL
  • Designed asynchronous workflows in n8n (batch processing, loops, validation)
  • Implemented automation for quiz creation, cloning, and updates
  • Integrated OpenAI (Assistants + Vector Stores) into backend workflows
  • Modeled relational database schemas and optimized SQL queries

Stack: Node.js · n8n · PostgreSQL · Supabase · OpenAI

🛒 Macaco Blindado — E-commerce & Mobile App

Role: Backend Developer (Part-time)

  • Maintained backend logic and integrations for mobile and e-commerce platforms
  • Fixed critical PIX checkout bugs, improving payment reliability
  • Implemented navigation and UX improvements
  • Performed technical maintenance (Gradle, AGP, NDK updates)

Stack: JavaScript · APIs · Android · E-commerce integrations

📂 Portfolio & Code

👉 Detailed case studies and automation examples:
(link you will add later to a portfolio repo)

📫 Contact

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