Paulo Casaretto
Senior Software Engineer at Shopify
Santa Catarina, Brazil
Summary
🤩
Rockstar🎓
Top SchoolPaulo Casaretto is a senior software engineer with 14 years of experience building scalable full‑stack web platforms, currently contributing to Shopify after leadership and principal engineering roles at RD Station and CERC. He has deep expertise in backend systems (Go, Ruby, SQL, Google Spanner) and front-end performance, having helped design architectures that serve thousands of customers and reimagined TB‑scale persistence and segmentation engines. Paulo pairs hands‑on implementation skills—evidenced by Java contributions to the popular XMage open‑source card engine—with team leadership in performance, deliverability, and platform reliability. Based in Santa Catarina, Brazil, he blends a control‑and‑automation engineering background with practical cloud-native experience on AWS and modern frontend stacks, making him adept at turning complex requirements into production systems.
14 years of coding experience
11 years of employment as a software developer
Bachelor of Engineering (B.Eng.) Control and Automation, Bachelor of Engineering (B.Eng.) Control and Automation at Universidade Federal de Santa Catarina
English, Portuguese, Italian, Spanish
Stackoverflow
997reputation
96kreached
21answers
11questions
Github Skills (18)
game-engine10
magick10
java10
javas10
mechanics10
card10
mt10
gameplay9
videogames9
macos6
ruby-on-rails6
go6
iphone6
rspec6
long-polling6
Programming languages (22)
Github contributions (5)
magefree/mage
Jun 2015 - Feb 2022
XMage - Magic Another Game Engine
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 commits, 4 PRs, 11 comments in 6 years 8 months
Contributions summary:Paulo primarily contributed to implementing card game mechanics within the XMage engine. They implemented specific card functionalities, including "Heartstone" and "Harsh Mercy," as well as fixing and testing existing card implementations. The work involved modifying Java code to add new cards and functionality to the game engine. This included adjustments to card effects and target filters to enhance the game's rules and gameplay.
gamedeckwindowsgamedevmagic
pcasaretto/nix-home
Jun 2022 - Mar 2025
Experimental local machine setup using nix (flakes)
Contributions:2 PRs, 50 pushes, 3 branches in 2 years 8 months
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