Henryk Ratajczak

Engineering Manager at Allegro

Greater Poland Voivodeship
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Summary

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Henryk Ratajczak is an Engineering Manager at Allegro with 11 years of experience guiding mobile and cross-functional engineering teams from hands-on iOS development to leadership roles. He progressed internally at Allegro from Mobile Software Engineer to Team Leader and now manages engineering delivery and team growth, combining technical depth with people management. His background spans both iOS and Android work plus freelance projects, giving him a pragmatic product-minded engineering perspective. An active contributor to open-source tooling, he improved CI/CD and code review integrations for the well-used Danger project by adding Bamboo and Bitbucket Server support. Trained in computer science with a master’s in economics, he blends analytical rigor with practical engineering judgment. Based in Greater Poland, he’s known for translating complex mobile and CI challenges into reliable, team-delivered solutions.
code11 years of coding experience
job8 years of employment as a software developer
bookComputer Science, Computer Science at Uniwersytet im. Adama Mickiewicza w Poznaniu
bookMaster's degree, Economics, Master's degree, Economics at Akademia Ekonomiczna w Poznaniu
languagesEnglish, German, French
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Github Skills (8)

rspec10
automation10
cil10
automations10
danger10
devops10
code-review10
ruby10

Programming languages (2)

Objective-CRuby

Github contributions (5)

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danger/danger

Nov 2019 - Oct 2020

🚫 Stop saying "you forgot to …" in code review (in Ruby)
Role in this project:
userDevOps Engineer
Contributions:1 review, 17 commits, 2 PRs in 11 months
Contributions summary:Henryk's contributions primarily focus on integrating and supporting Bamboo CI within the Danger framework. This includes adding Bamboo as a supported CI source, creating test suites, and enhancing documentation to guide users on setting up and configuring Danger within their Bamboo plans. Additionally, the user implemented features related to Bitbucket Server's Code Insights API, enabling code quality reports and inline comments within pull requests. These changes suggest a focus on improving the integration and functionality of Danger with different CI/CD platforms and code review tools.
stopbitbucketgitlabrubyin-review
Qbeorama/danger

Nov 2019 - Oct 2020

🚫 Stop saying "you forgot to …" in code review (in Ruby)
Contributions:1 PR, 53 pushes, 14 branches in 11 months
stoprubyreviewin-reviewforgot
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Henryk Ratajczak - Engineering Manager at Allegro