Jhonatan Caldeira
CTO at Stelli Technology
Santa Catarina, Brazil
Summary
👤
Senior🎓
Top SchoolJhonatan Caldeira is a CTO and platform engineering leader with 10 years of experience building payments and checkout infrastructure from the ground up. He combines hands-on full‑stack development (Golang, TypeScript, Next.js, Deno/Node) with systems-level expertise in migrating monoliths to microservices, CI/CD automation on AWS, and ISO 27001/PCI‑DSS security programs that delivered zero compliance incidents. At Pagou.ai he cut deployment and provisioning times dramatically, refactored legacy Node.js to modern stacks, and drove cost and performance improvements while enabling rapid marketing experiments. A former aerodesign team lead and founder, he brings disciplined project management and a knack for squeezing efficiency from hardware and cloud systems alike. Based in Santa Catarina, Brazil, he blends startup grit with formal engineering training in electrical and computer systems, often working directly with remote, English‑speaking teams.
10 years of coding experience
2 years of employment as a software developer
Bacharelado em Engenharia, Engenharia Elétrica, Bacharelado em Engenharia, Engenharia Elétrica at Universidade Federal de São João del-Rei - UFSJTécnico, Eletrotécnica, Técnico, Eletrotécnica at Centro Federal de Educação Tecnológica de Minas GeraisCentro Universitário Internacional UNINTER
Portuguese, English
Github Skills (17)
discord-js9
discord-bot8
discord8
music7
ntp4
rtc4
esp323
arduino3
esp82662
chrome-extension2
mqtt2
twitch2
react2
stream2
iot2
Programming languages (2)
Github contributions (5)
jhon2c/jhon2c
May 2021 - Oct 2024
Contributions:6 pushes, 1 branch in 3 years 5 months
jhon2c/WifiRTC
Sep 2016 - May 2017
Contributions:17 commits, 1 PR, 16 pushes in 7 months
ntpesp8266mqttarduinoutilizando
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