Rafał Petryka
Ruby On Rails Angular NodeJS Developer at Expander Advisors Sp. z o.o.
Warsaw, Masovian Voivodeship, Poland
Summary
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Senior🎓
Top SchoolRafał Petryka is a full-stack developer based in Warsaw with 11 years of hands-on experience building web applications using Ruby on Rails, Angular, Node.js and TypeScript. He currently develops internal business applications at Expander Advisors and has contributed to client projects for Decathlon, combining enterprise pragmatism with a preference for open-source stacks. Comfortable across back-end and front-end concerns, he bridges API design and responsive UI work—evidenced by a Swagger presentation to the Warsaw Ruby Users Group. Rafał’s background includes formal engineering studies in computer programming and practical internships that shaped his focus on maintainable, testable code. He favors modern JS frameworks and Rails for rapid delivery, and brings a pragmatic blend of production experience and community engagement. Notably, he balances full-time product work with part-time client development, showing adaptability to different team rhythms and delivery models.
11 years of coding experience
2 years of employment as a software developer
Engineer's degree, Computer Programming, 4, Engineer's degree, Computer Programming, 4 at Polsko-Japońska Wyższa Szkoła Technik Komputerowych w WarszawieTechnik Informatyk, Sieci komputerowe, 4.5, Technik Informatyk, Sieci komputerowe, 4.5 at Zespół Szkół nr 1 w Piasecznie
Stackoverflow
1reputation
59reached
0answers
1question
Github Skills (136)
postgresql10
bash10
javascript10
shell10
database10
cli10
sap-hana10
sqlite10
cockroachdb10
mysql10
mariadb10
medusajs10
zsh10
cordova10
cli-app10
Programming languages (8)
Github contributions (5)
IdeasFactoryPL/partyzant
Jun 2015 - May 2016
Contributions:25 commits, 19 pushes, 1 branch in 10 months
rafalpetryka/barnburger
Feb 2015 - Oct 2016
Contributions:73 pushes, 3 branches in 1 year 8 months
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