Krzysztof Zalewski
Senior Software Engineer at McAfee
Warsaw, Masovian Voivodeship, Ireland
Summary
👤
Senior🎓
Top SchoolKrzysztof Zalewski is a Senior Software Engineer with 15 years of experience building reliable, secure systems across embedded, desktop, mobile and backend domains. Currently at McAfee, he has a track record of delivering maintainable code and shaping architectures for security-conscious products, drawing on past roles in IoT/drone control, database design, and mobile encryption tooling. Comfortable across C++, Java, Android, PHP and MariaDB/MySQL, he combines pragmatic engineering with TDD and CI practices to ship production-ready solutions. He thrives in collaborative teams that emphasize knowledge sharing and continuous learning, and has repeatedly contributed as a remote consultant and startup developer. An unconventional background—holding a Master’s in Composition—gives him creative problem-solving instincts and an aptitude for multidisciplinary projects. Based in Warsaw with work experience across Europe and Ireland, he blends deep technical craft with a steady focus on delivery and security.
14 years of coding experience
14 years of employment as a software developer
Master’s Degree, Composition, Master’s Degree, Composition at Uniwersytet Muzyczny Fryderyka Chopina w WarszawieOnline Post graduate studies, Information Systems, Applications and Databases, Online Post graduate studies, Information Systems, Applications and Databases at Polsko-Japońska Wyższa Szkoła Technik Komputerowych w Warszawie
English, Polish
Github Skills (53)
rack9
controller9
hanami9
ancestry9
tree-structure9
railtie9
hierarchy9
nested-set8
api8
sinatra8
dry-rb8
test-kitchen8
ruby7
rails7
checker7
Programming languages (3)
Github contributions (5)
zlw/action_presenter
Feb 2012 - May 2013
Contributions:67 commits in 1 year 3 months
ruby-on-railscontrollersrailspresenterrails-application
nedap/railjet-bus
Nov 2017 - Jun 2019
Contributions:7 PRs, 15 pushes, 8 branches in 1 year 8 months
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