Patryk Kaczmarek
Staff IOS Engineer at Housecall Pro
Greater Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolPatryk Kaczmarek is a Staff iOS Engineer with over a decade of experience building and leading mobile teams, from single-developer greenfield apps to maintaining a 10-year legacy codebase used by tens of millions. He blends hands-on Swift/Objective-C craftsmanship with technical leadership—designing architectures, instituting testing and Server Driven UI solutions, and translating business needs into predictable delivery. Known for clean, well-tested code and pragmatic technical decisions, he has repeatedly delivered projects on time and improved team efficiency and testability. His background spans fintech, healthcare, e-commerce and large consumer products, and he brings a practical DIY mindset—learning by building challenging projects both professionally and personally. Based in Greater Poland, Patryk is valued by clients and developers alike for reliable delivery, clear communication, and solutions that simplify future maintenance.
11 years of coding experience
12 years of employment as a software developer
Master of Engineering - MEng Computer Science: Advanced Internet Technologies, Master of Engineering - MEng Computer Science: Advanced Internet Technologies at Poznan University of Technology
Polish, German, English
Github Skills (92)
debugging10
carrierwave9
autolayout9
validation9
swift9
storekit9
corebluetooth9
purelayout9
layout9
libimobiledevice9
tvos9
api8
bluetooth-low-energy8
bin-packing8
grids8
Programming languages (4)
Github contributions (5)
netguru/ngrvalidator
Dec 2014 - Nov 2015
Validation has never been as easy as now!
Contributions:106 commits, 7 PRs, 76 pushes in 10 months
validationneverstorekitvalidatorios
netguru/carrierwave-ios
Jan 2015 - Jun 2015
carrierwave-ios is easy to use iOS library which provides flexible way to download, upload and edit asset files.
Contributions:138 pushes, 1 tag, 141 comments in 4 months
carrierwaveios-libraryipadswiftios
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