Irineu Brito profile picture

Irineu Brito

AI & Fullstack Developer

About Me

AI and Backend Engineer with 3+ years of experience building scalable web applications for national and international companies. Proficient in Python, Node.js, NestJS, and modern AI technologies such as CrewAI, LangGraph, and Multi-Agent Systems. Strong background in NLP, RAG, and LLM-based solutions. Skilled with SQL/NoSQL databases, cloud infrastructure (AWS, GCP), Docker, and DevOps practices. Fluent in English (C2) and experienced in remote, agile, and multicultural teams.

Professional Experience

  • SIDIA – Institute of Science and Technology (Feb 2025 – Present)
    Python Developer – AI Internship
    Built internal tools to automate workflows using AI; developed advanced multi-agent systems with CrewAI and LangGraph; implemented NLP pipelines with Pandas and contributed to RAG-based solutions for enterprise use.
  • VIZO (Jan 2025 – Apr 2025)
    Fullstack Developer – Freelancer
    Developed fullstack applications using Angular and NestJS; implemented Sendinblue messaging and GCP services; supported internationalization (i18n) for multilingual platforms; worked remotely with global teams.
  • StringSX (Jan 2023 – Jan 2025)
    Fullstack Developer
    Delivered fullstack solutions using React, Angular, Node.js, NestJS; integrated WooCommerce; developed AI solutions with Gemini for image data processing; deployed to AWS and automated environments with Docker.
  • Fatsus (Jun 2022 – Dec 2022)
    Fullstack Developer
    Built and maintained healthcare systems using Angular and Python; integrated SUS billing systems; enhanced legacy systems and ensured data security and stability.

Technical Skills

  • Languages: Python, JavaScript, TypeScript
  • Frontend: Angular, React
  • Backend: Node.js, NestJS, Express.js, FastAPI
  • Databases: PostgreSQL (Sequelize, TypeORM), MongoDB (Mongoose), MySQL, Firebase
  • Testing: Jest, Pytest
  • APIs: REST, WebSockets, OpenAPI/Swagger
  • Infrastructure: AWS, GCP, Docker, VPS, Git, GitHub
  • AI & Data: CrewAI, LangGraph, NLP, RAG, LLMs, Prompt Engineering, Pandas
  • Best Practices: Clean Code, SOLID, Agile (Scrum, Jira)

Certifications

Education

Bachelor's Degree in Software Engineering – Anhanguera University (2023 – 2026)

Courses

CS50 – Computer Science, Harvard University (May 2025 – Dec 2025)

Languages

  • Portuguese (Native)
  • English (C2 – Proficient)
  • Spanish (Basic)