Chris Hasiński
Senior Software Engineer at Self-employed
Poznan, Greater Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolChris Hasiński is a Senior Software Engineer based in Poznan, Poland, with 12 years of experience focusing on Ruby and Ruby on Rails, particularly in freelance and microservice banking contexts. He combines hands-on development with product-minded leadership, having co-founded and served as CTO of GetBadges, a gamification startup. His background spans full-stack work across PHP, JavaScript, Java, and systems programming from earlier research roles (including algorithmic work and server administration at UC Davis), giving him strong backend and data-processing instincts. Comfortable shipping end-to-end services, he’s especially adept at evolving legacy systems into service-oriented architectures. Not open to relocation, he offers deep remote-friendly experience collaborating with fintech and startup teams.
12 years of coding experience
9 years of employment as a software developer
B.Sc., Computer Science, B.Sc., Computer Science at Politechnika Poznańska / Poznan University of TechnologyEnglish Philology, English Philology at Uniwersytet im. Adama Mickiewicza w PoznaniuComputer Science, Computer Science at VIII LO
Japanese, Polish, English, Russian, German
Stackoverflow
3,015reputation
536kreached
53answers
5questions
conditional-statements
top-5%
switch-statement
top-5%
Github Skills (200)
mach10
mvc10
ruby10
activerecord10
ruby-on-rails10
perceptual10
charts10
duplicate10
html10
hash10
phash10
ruby-wrapper10
rails10
angular-component10
cdn10
Programming languages (12)
Github contributions (5)
khasinski/fillparams
Jul 2015 - Nov 2022
Ruby FillParams gem
Contributions:2 PRs, 7 pushes, 17 issues in 7 years 4 months
dry-rbgemruby
khasinski/angular-mousetrap
Aug 2013 - Nov 2022
Contributions:1 release, 15 commits, 2 PRs in 9 years 4 months
mousetrapangular
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