George Antoniadis
Senior Software Engineer at ACI Worldwide
Greece
Summary
👤
Senior🎓
Top SchoolGeorge Antoniadis is a Senior Software Engineer based in Greece with four years of professional experience focused on backend and full-stack development in financial technology. He has designed and maintained core financial messaging libraries that ensure compliance with industry standards and serve as critical components across payments systems. At PaymentComponents he combined library engineering with building customer-facing web features and backend APIs, and now continues advancing payments software at ACI Worldwide. George holds a BSc in Computer Science from the University of Piraeus and brings a practical, client-centered approach to problem solving. He pairs hands-on coding with cross-team support, often troubleshooting integrations and customizing libraries to meet unique client needs. Outside corporate roles he has built multiple freelance Shopify projects, showing versatility across platforms and a knack for shipping production-ready solutions.
4 years of coding experience
9 years of employment as a software developer
Bachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at University of Piraeus
Greek, English
Github Skills (10)
sepa7
sdk6
java5
validation5
fintech4
translate3
swift-mt2
translation2
iso2
swift2
Programming languages (1)
Github contributions (5)
Payment-Components/demo-iso20022
May 2022 - Dec 2022
Contributions:4 commits, 2 PRs, 6 pushes in 7 months
validationiso20022demo-projectsdkvalidation-library
Payment-Components/demo-sepa
Jun 2022 - Sep 2022
Demo project using SEPA Message validation library
Contributions:2 commits in 3 months
validationvalidation-librarysepa-credit-transferssdkdemo-project
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