Miłosz Osiński
Senior Software Engineer at Tjekvik
Pomeranian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolMiłosz Osiński is a Senior Software Engineer from Pomeranian Voivodeship, Poland, with 14 years in software development and 5+ years focused on Ruby on Rails and full-stack web applications. He has shipped product features and led major refactors at organizations ranging from startups to enterprise teams, including Braintree/PayPal where he worked on Local Payment Methods. Comfortable across the stack, he combines a designer’s attention to UX with backend robustness, contributing to long-running product codebases like Advarra and multiple roles at Tjekvik and DeriCode. Miłosz pairs formal studies in network technologies and databases with hands-on experience since internship days, favoring clean architecture and pragmatic improvements that reduce technical debt. Notably, his profile reflects a steady progression from junior roles to senior impact, signaling both deep craft and adaptability in evolving teams.
14 years of coding experience
8 years of employment as a software developer
Second level degree studies, Second level degree studies at University of GdanskTechnic, Technician IT, Technic, Technician IT at Technical School in Rzucewo
English, Polish
Stackoverflow
378reputation
36kreached
8answers
11questions
Github Skills (105)
sdk9
authentication9
week-calendar9
angular8
dotenv8
jwt8
ionic8
javascript8
wkhtmltopdf8
ruby2d8
mailgun8
react8
authorization8
vue8
env7
Programming languages (5)
Github contributions (5)
mosinski/sokoban
Sep 2019 - Aug 2024
Classic Sokoban game written in Ruby with Ruby 2D framework.
Contributions:4 PRs, 12 pushes, 1 branch in 4 years 11 months
gamesokoban2d-frameworkrubygame-development
mosinski/Blog-Rails
Jan 2015 - Oct 2018
Contributions:2 PRs, 39 pushes, 5 branches in 3 years 9 months
ruby-on-railsrailsachruby
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