Jonatas Emidio
Senior Java Software Engineer at Euronext
Porto, Porto, Portugal
Summary
👤
Senior🎓
Top SchoolJonatas Emidio is a Senior Java Software Engineer with 13 years of experience designing and shipping robust backend systems across finance, e‑commerce, and research domains. Currently embedded at Euronext, he builds high‑performance microservices for a multi‑country CSD convergence program using Java 21, Quarkus, Kafka and Spec‑Driven Development enhanced by AI tools. He has strong SDET and QA roots, having led test automation, shift‑left practices and metric‑driven quality programs with Playwright, Go testing frameworks and custom Python tooling. His background spans geospatial data systems for Petrobras to large‑scale purchase flows at Farfetch, giving him a rare mix of domain depth and operational rigour. Notably, he combines systems thinking with prompt‑engineering methods to validate AI‑assisted development and improve team productivity. Based in Porto, Portugal, he prefers “sharing memory by communication,” reflecting a collaborative approach to distributed systems design.
13 years of coding experience
15 years of employment as a software developer
Specialization Software Engineering, Specialization Software Engineering at Universidade Candido Mendes - (UCAM / RioSoft)Bachelor of Science (BS) System Analysis and Development, Bachelor of Science (BS) System Analysis and Development at Centro Universitário da Cidade
English, Portuguese
Stackoverflow
73reputation
2kreached
6answers
1question
Github Skills (140)
web-application10
design-patterns10
grails10
internationalization10
groovy10
java10
gradle10
kotlin10
javascript9
tedious9
httpd9
tomcat9
junit-test9
python9
bundler9
Programming languages (9)
Github contributions (5)
jonatasemidio/jonatasemidio.github.io
Dec 2015 - Aug 2021
Contributions:32 pushes, 1 branch in 5 years 8 months
jonatasemidio/multilanguage-readme-pattern
Nov 2017 - Nov 2017
Just another way to enable more than one language in our readme files
Contributions:15 commits, 14 pushes, 1 branch in 11 days
internationalizationreadme-pattern
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