Jonatas 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
Contributions:32 pushes, 1 branch in 5 years 8 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.