Jakub Kłobus
Engineering Manager at Callstack
Silesian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolJakub Kłobus is an Engineering Manager at Callstack with 12 years of experience building and leading web and mobile engineering teams focused on React, React Native, ReasonML and Elixir. He progressed internally from hands-on software engineer to technical lead and delivery manager, combining people mentorship, recruitment and technical delivery oversight to drive high-quality client work. Jakub remains a pragmatic coder and open-source contributor—his work on a React scrollbar component shows attention to UX polish and low-level event handling. Based in Silesia, Poland, he balances strategic planning with day-to-day engineering craft, often bridging architecture decisions and team growth initiatives.
12 years of coding experience
11 years of employment as a software developer
Politechnika Śląska w Gliwicach
English, Polish
Stackoverflow
31reputation
3kreached
5answers
0questions
Github Skills (11)
javascript10
front-end-development10
react10
lessc9
css9
javascript-objects6
merge6
ajax6
grommet6
react-redux6
redux6
Programming languages (7)
Github contributions (5)
souhe/reactScrollbar
Apr 2015 - May 2019
Scrollbar component for React
Role in this project:
Front-end Developer
Front-end DeveloperContributions:13 releases, 171 commits, 37 PRs in 4 years 1 month
Contributions summary:Jakub primarily contributed to the development of a React-based scrollbar component, as indicated by the commit messages and code changes. Their work involved adding an event listener for the `onWheel` event, implementing the movement of the scrollbar, and refining the styling. Furthermore, the user refactored and improved the styling of the scrollbar component.
reactscrollbarscrollablescrolling
FutureProcessing/TestCaseViewer
Mar 2015 - Sep 2015
Contributions:112 commits, 7 pushes, 1 branch in 5 months
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