Patryk Czarnik
Senior Lecturer at Self-Employed
Masovian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolPatryk Czarnik is a Senior Lecturer and seasoned software engineer with 13 years of professional experience teaching and building systems in Java, Python, C/C++, SQL and XML technologies. He blends academic research—formal methods and a Coq-based JVM bytecode formalisation—with hands-on industry work, delivering trainings, course materials and consultancy for companies and universities. Patryk has a track record of practical systems design and development across telecom, payments and web projects, and regularly crafts bespoke corporate bootcamps and technical curricula. Comfortable from low-level C concurrency to high-level XQuery/XSLT and web services, he also contributes to training program design and trainer onboarding. Based in Masovian Voivodeship, Poland, he runs an independent training and consulting practice while lecturing at the University of Warsaw, pairing deep theoretical insight with real-world delivery.
13 years of coding experience
5 years of employment as a software developer
I Liceum Ogólnokształcące im. A. Mickiewicza w PrudnikuMaster’s Degree, Computer Science, Master’s Degree, Computer Science at University of Warsaw
Polish, English
Stackoverflow
886reputation
59kreached
1answer
0questions
bit-manipulation
top-5%
integer
top-5%
Github Skills (26)
application-server10
xslt10
xquery10
xml-schema10
xml10
exist-db9
bit-manipulation9
java9
gwt9
integer9
xml-database9
xproc9
xpath8
database8
nosql8
Programming languages (6)
Github contributions (5)
hcts-hra/ziziphus
Mar 2013 - Nov 2015
Contributions:62 commits, 2 PRs, 4 comments in 2 years 8 months
patczar/video-scripts
Aug 2015 - Apr 2021
Shell scripts for video conversions (drive cam oriented)
Contributions:35 pushes, 1 branch in 5 years 8 months
camshell-scriptsconversionsvideoffmpeg
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