Ioannis Maragkopoulos
Software Engineering Manager at ACI Worldwide
Greece
Summary
👤
Senior🎓
Top SchoolIoannis Maragkopoulos is a software engineering manager with 10 years of fintech-focused experience, currently leading engineering at ACI Worldwide after a rapid progression from developer to CTO at PaymentComponents. He combines deep backend expertise in Kotlin/Java and microservices with practical DevOps practices to deliver PSD2-, ISO20022- and instant-payments-compliant systems. Ioannis has driven AI integration in production—using LLMs to generate SQL from natural language and to augment fraud detection—bringing ML prompt engineering into backend pipelines. His academic background in Informatics and a Master’s in Management Science & Technology informs a data-driven approach to product architecture and team strategy. He is passionate about mentoring engineers, improving system resilience, and aligning technical roadmaps with regulatory and business needs. Based in Greece, he blends hands-on coding discipline with a strategic view of scaling payment platforms.
10 years of coding experience
10 years of employment as a software developer
Master's degree, Management Science & Technology, Master's degree, Management Science & Technology at Athens University of Economics and Business
Github Skills (38)
pdf-generation10
reader9
pdf-reader9
pdf9
angular8
react8
vue8
javascript8
web-application7
nodejs7
ios7
ionic7
css7
typescript7
android7
Programming languages (4)
Github contributions (5)
johnmara/simplinvoice
Dec 2020 - Feb 2021
A web application to easily create and manage invoices. It also conforms to Greek Legislation to send invoices to MyDATA in realtime.
Contributions:2 releases, 64 commits, 10 PRs in 2 months
realtimemydatainvoicesjavascriptlegislation
johnmara/tdd-by-example
Jul 2020 - Jul 2020
TDD By Example
Contributions:2 pushes in 1 day
jestjavascriptnodejsfreebsddbus
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