Paulo Aquino
Full-Stack Software Engineer
Results-driven Software Engineer with expertise in building scalable, maintainable full-stack web applications. Committed to clean, efficient code that solves real-world problems and delivers measurable impact.
Who I Am
I'm Paulo Aquino, a Software Engineer based in Brazil with 10+ years of professional experience delivering production-ready full-stack web applications. Proficient in JavaScript (Node.js, Express, React, Astro) and Python (Django, FastAPI), with a strong foundation in Linux systems and a track record of shipping software for real clients.
My background spans full-stack web applications, CLI tooling, and document automation, giving me a rare ability to operate across the stack and adapt quickly to new domains. I've been building web applications and tools for scientific software, with consistent attention to code quality and maintainability.
I'm passionate about writing clean, efficient code that solves real-world problems and delivers measurable impact. I thrive in collaborative environments where I can learn from others and share my knowledge to help the team succeed.
info --quick
Location
Brazil
Focus
Full-Stack Web Development
Passions
Linux, JavaScript & Python
Background
Computer Engineering
Career Journey
Senior Full-Stack Software Engineer
PauloAlexandre.com
Full-stack web development across the JavaScript and Python ecosystems, delivering modern applications and client sites with Node.js, Astro, Tailwind CSS, Django, and FastAPI.
- Architecting and deploying client static websites using Astro and Tailwind CSS, served via Nginx on Linux infrastructure
- Developing full-stack JavaScript applications with Node.js, Astro, and Tailwind CSS, shipping fast, modern user interfaces backed by lightweight APIs
- Building data-driven web applications with Django and Tailwind CSS, leveraging Python's ecosystem for back-end logic, ORM-based data modeling, and server-side rendering
Senior Full-Stack Software Engineer
Freelance & BairesDev
Architected and developed full-stack web applications while exploring new technologies like DGraph and Elixir.
- Worked as a Full-Stack Software Engineer in a team responsible for a large-scale web application for a US-based client, implementing features across the stack and optimizing critical operations from minutes down to a few seconds, directly impacting hundreds of users. Technologies used: Node.js, React.js, Jest, DGraph, GraphQL
- Architected a web application from the ground up, taking full ownership of the end-to-end development lifecycle, covering every layer from infrastructure and database design to API and front-end delivery. Technologies used: Linux, Nginx, PostgreSQL, Node.js, Express, Knex, Jest, Vue.js, Tailwind CSS
- Developed an Android application client
- Started to learn Elixir backend development
Software Engineer — Scientific Computing
UFPA / Research
Developed auxiliary tools for geophysics research, Linux file systems synchronization, and academic document tooling.
- Improved Tatu ecosystem: created a web application to plot results from geophysics electromagnetic modeling, a REST API, and a Fortran I/O module for the Tatu modeling software. Technologies used: Linux, Node.js, Express, Polymer, Plotly.js, Fortran, Docker, Nginx
- Created CLIFor, a CLI library for Fortran programs
- Created and published an open-source Python package in the AUR (Arch Linux User Repository) for synchronizing Linux file systems using the rsync tool
- Authored ufpatcc, a LaTeX thesis template adopted by UFPA students
Mid-Level Developer
Early Freelance Career
Gained professional full-stack development experience through real-world client projects, applying and expanding skills in JavaScript, Node.js, Linux tooling, and shell scripting to deliver production-ready solutions.
- Client websites (Node/JS/CSS/HTML)
- Linux utilities: shell scripts for task automation
- Built a full-stack web application using Meteor and Polymer that automated industrial parts quote generation, producing professional PDF output via LaTeX with MongoDB as the data layer
Junior Developer
College Internships, Personal Projects, and first Freelance Jobs
Started professional coding with web development and Linux tooling. Built client sites, explored HTML, CSS, JavaScript, PHP, and shell scripting.
- Client websites and business tools (HTML/CSS/JS/PHP)
- Linux utilities: shell scripts for image processing and system tools
- First open-source contributions: Comic Strip Viewer, LaTeX templates
Let's Connect
Whether you have a project in mind, want to collaborate on an open-source project, or just want to say hello, I'd love to hear from you. Feel free to reach out through any of the channels below.