João Paulo
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Full Stack Developer

João Paulo

Software Engineer experienced in systems supporting aviation safety and critical operations.

I am a developer with over 10 years of web development experience, working from requirements gathering through the ongoing evolution of production systems. I build APIs, integrations, and scalable applications with a focus on performance, security, and data governance.

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Professional experience

My journey so far: from building institutional portals to evolving nationwide systems that support critical operations.

  1. January 2022 — present

    DECEA — Department of Airspace Control

    Full Stack Developer

    Responsibilities

    • Develops and maintains nationwide systems supporting aviation safety.
    • Designs and evolves REST APIs that integrate institutional systems.
    • Modernizes legacy systems into microservices-based architectures.
    • Contributes to application compliance with Brazil's General Data Protection Law (LGPD) and to data governance.
    • Participates in requirements gathering, solution discussions, and technical feasibility analysis.
    • Supports architecture, data modeling, and service integration decisions.

    Technologies

    • PHP
    • Laravel
    • JavaScript
    • Vue.js
    • Python
    • Flask
    • MySQL
    • PostgreSQL
    • Docker

  2. October 2014 — November 2021

    Brazilian Air Force — FAB

    Web Developer

    Responsibilities

    • Developed and maintained regional and nationwide systems with PHP and Laravel.
    • Contributed to legacy system modernization and the adoption of service-oriented architecture.
    • Designed APIs to integrate institutional systems.
    • Updated systems to comply with LGPD guidelines.
    • Deployed institutional Joomla portals following Brazilian federal government standards.
    • Developed an internal knowledge-sharing platform with WordPress.

    Technologies

    • PHP
    • Laravel
    • WordPress
    • Joomla
    • MySQL

  3. March 2013 — July 2014

    Brazilian Army

    Web Developer

    Responsibilities

    • Developed and maintained institutional portals with Joomla.
    • Implemented structural customizations and usability improvements.
    • Provided technical support and ongoing application maintenance.

    Technologies

    • PHP
    • Joomla

Professional projects

A complete selection of systems and services for institutional operations, regulatory processes, and other professional initiatives.

  1. November 2024 — present

    External Analyses — NUDATEF

    NUDATEF — Center for Analytical and Technological Development of Herbal Medicines

    Integrated system that organizes laboratory analysis requests and equipment management.

    Technologies and skills

    • PHP
    • Laravel
    • Filament PHP
    • Bootstrap
    Open project

  2. October 2023 — present

    DECEA Accounts

    DECEA — Department of Airspace Control

    Single sign-on service that standardizes access to digital services and centralizes access analysis and assignment for registered systems.

    Technologies and skills

    • PHP
    • Laravel
    • Keycloak
    • MinIO
    • REST API
    • Microservices
    • Solution architecture
    Open project

  3. September 2023 — present

    SYSAGA

    DECEA — Department of Airspace Control

    System for managing aerodrome regulatory processes, including the preparation, submission, and processing of technical documentation by DECEA's regional organizations.

    Technologies and skills

    • PHP
    • Laravel
    • Vue.js
    • Microservices
    • Solution architecture
    Open project

  4. September 2023 — present

    AGA Portal

    DECEA — Department of Airspace Control

    Portal providing information about Aerodrome Protection Zone Plans, published plans, applicable regulations, and supporting files for process preparation.

    Technologies and skills

    • JavaScript
    • Vue.js
    • Requirements analysis
    Open project

  5. September 2023 — present

    Geofy

    DECEA — Department of Airspace Control

    Microservice that converts geographic data files from .txt to GeoJSON, supporting interoperability between geographic information systems.

    Technologies and skills

    • Python
    • Flask
    • Microservices
    • Data extraction

  6. December 2022 — August 2023

    DECEA Publications

    DECEA — Department of Airspace Control

    Official source for consulting current publications approved by DECEA.

    Technologies and skills

    • PHP
    • Laravel
    • Vue.js
    • Nuxt
    • Requirements analysis
    Open project

  7. March 2022 — August 2023

    SGTO

    DECEA — Department of Airspace Control

    Platform integrated with DECEA's standards and regulations database for delivering online tests to professionals holding an Air Navigation Personnel License.

    Technologies and skills

    • PHP
    • Laravel
    • JavaScript
    • Vue.js
    • REST API
    • Solution architecture

  8. May 2021 — October 2022

    Vacina Já BR

    Initiative that gathered links to COVID-19 vaccination booking centers in Brazil to help people avoid fraudulent websites.

    Technologies and skills

    • Python
    • Django Framework
    • Requirements gathering

Technologies

Technologies organized by their documented practical use.

Professional stack

Technologies used in professional experience or projects.

  • Bootstrap
  • Django Framework
  • Docker
  • Filament PHP
  • Flask
  • JavaScript
  • Joomla
  • Keycloak
  • Laravel
  • MinIO
  • MySQL
  • Nuxt
  • PHP
  • PostgreSQL
  • Python
  • Tailwind CSS
  • Vue.js
  • WordPress

Additional stack

Technologies studied or known without confirmed professional use.

  • Alpine.js
  • FastAPI
  • Rust