Hi, I'm Marco Antônio

Full Stack Developer focused on AI and LLM-based systems, with 4+ years of experience building intelligent solutions using Agentic AI, RAG, Prompt Engineering, and MCP.

Core Technologies

Python (LangChain, LangGraph, FastAPI)
JavaScript (NestJS, React)

These are the main technologies I've been working with recently — part of a broader full stack background.

Academic & Side Projects

• Young Researcher Award – Ulbra JIC
  Awarded for the development of a specialized intelligent assistant using RAG architecture.
  LinkedIn post

• Workshop Instructor – ENCOINFO 2024
  Co-led the workshop "Specializing LLMs with Knowledge Storage: A Theoretical and Practical Workshop" at the 26th ENCOINFO, introducing the RAG architecture to contextualize LLMs with source-based knowledge.
  LinkedIn post

• ENCOINFO 2024 – Research Papers Presentation
  Presented two papers at the 26th ENCOINFO:

  • Development of an Informative Chatbot on Mental Health Using RAG Architecture
  • A Big Data Analysis with Apache Spark: Illiteracy among Brazilian Voters
    LinkedIn post

• APILyzer – REST API Maturity Evaluation Tool
  Creator of APILyzer, a Python library for analyzing REST API maturity and security. Presented at the 25th ENCOINFO.
  LinkedIn post

• E-Collect – Campus Mobile (Smart Cities category)
  Participated in the 12th edition of Campus Mobile with a social impact project focused on sustainability and smart cities.
  LinkedIn post

• SpeakUp Palmas – English Conversation Community
  Founder of a local community in Palmas focused on English-speaking practice and networking.
  LinkedIn post

• Bronze Medal – OBMEP 2015
  Awarded a Bronze Medal in the 11th Brazilian Public School Mathematics Olympiad.
  View certificate

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