Hello, I'm a Brazilian full-stack developer!
João Marinho
Full-stack developer and researcher

About me
I am a full-stack developer and Computer Science student at UFF, based in Niterói, Brazil. I enjoy turning complex, real-world problems into reliable and user-centered products, especially at the intersection of software engineering, Data Science, and Human-Computer Interaction. My experience spans product delivery, research, cloud infrastructure, data-intensive systems, and open-source projects.
Tech Stack
I build full-stack and data-driven systems with TypeScript, Python, Go, Java, React, Next.js, Node.js, Spring Boot, PostgreSQL, and Redis, and run them on AWS and Google Cloud with Docker, Kubernetes, Terraform, Prometheus, and Grafana. I am particularly interested in Data Science and Human-Computer Interaction: using data to understand complex systems and designing interfaces that make those insights clear, useful, and accessible.
Bio
Mid-Level Full Stack Developer at Lycium
Bachelor's degree in Computer Science at UFF (Universidade Federal Fluminense), expected December 2026, with a thesis in Human-Computer Interaction
Technology Development Research Fellow for MoveUFF at FRIENDS Laboratory, advised by Prof. Yona Lopes (CNPq/PIBINOVA scholarship)
Volunteer Software Developer on ALGO360, a UFF/FEC/Petrobras R&D project, at MediaLab (UFF), advised by Prof. Esteban Walter Clua
Front‑end Developer and UI/UX Researcher at Telessaúde UFF/HUAP, advised by Prof. Natália Castro Fernandes
Mid-Level Front-End Developer at YSMART
Awards
3rd Place UFF Excellence Award for Initiation in Technology Development @ UFF (MoveUFF Project)
1st Place Lumx Hackathon (FreedomChains, featured in Exame) & Scroll Track @ ETH Rio '24
1st Place Scroll's General Track @ ETHSamba '24 (SALVO)
I ♥
Distributed Systems, Data Science, Human-Computer Interaction, Machine Learning, System Design, teaching, art, music, drawing, and photography.