Alex Guretzki
Senior IOS Engineer - In Person Payments at Adyen
Amsterdam, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolAlex Guretzki is a Senior iOS Engineer with 11 years of experience building consumer-focused mobile products, currently driving In Person Payments at Adyen from Amsterdam. He has a strong track record shipping production iOS apps across fintech, retail and consumer services—previous roles include senior engineering at data.ai and product-focused stints at bunq, OneFit and Pocketrobe. Alex blends hands-on Swift/Objective-C development with product sensibility, having owned concepts, design and delivery for end-to-end iOS experiences. He’s experienced in bridging mobile front-ends with payment and checkout systems, bringing reliability and usability to high-throughput payments flows. Outside of product teams he’s taught applied app development and sizing algorithms, a hint of his inclination for practical algorithmic problem solving. Known for crafting apps people love to use, he combines engineering depth with an eye for delightful user experience.
10 years of coding experience
9 years of employment as a software developer
Bachelor of Science (B.Sc.), Informatik, Bachelor of Science (B.Sc.), Informatik at Hochschule DarmstadtAllgemeine Hochschulreife, Technischer Zweig, Allgemeine Hochschulreife, Technischer Zweig at Staatliche Fachoberschule Aschaffenburg
German, English
Stackoverflow
647reputation
20kreached
21answers
0questions
Github Skills (59)
ios10
animation10
ecommerce10
payment-integration10
render10
payment-methods10
storekit10
ios-library10
bodymovin10
payment10
in-app-purchase10
swift10
adyen10
swiftui10
after-effects9
Programming languages (6)
Github contributions (5)
Adyen/adyen-swift-public-api-diff
Nov 2024 - Mar 2025
This tool allows comparing 2 versions of a swift (sdk) project and lists all changes in a human readable way.
Contributions:11 releases, 3 reviews, 87 PRs in 4 months
adyenapi-diffsdiffsdkswift
shopgate/custom-tvml-elements
Dec 2015 - Aug 2017
Contributions:10 commits, 3 PRs, 6 pushes in 1 year 7 months
elementsstylestvml
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