Paweł Potaczek
Frontend Engineer at Proresult AS
Krakow, Lesser Poland Voivodeship
Summary
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Rockstar🎓
Top SchoolPaweł Potaczek is a Frontend Engineer with nine years of experience, blending an architect’s precision with deep JavaScript curiosity. Based in Krakow, he has driven modern React refactors and robust UI fixes in widely used open-source projects like Highcharts and its React wrapper, improving rendering correctness and maintainability. His work spans bug fixes, unit tests, and migrating components to React Hooks, demonstrating attention to visual correctness and long-term code health. Having moved between startups and product teams, he pairs pragmatic full‑stack experience with a design-minded approach rooted in architectural training. Notably, his OSS contributions show he prefers solving subtle UI edge cases that noticeably improve end-user charting experience.
9 years of coding experience
3 years of employment as a software developer
Inżynier (Inż.), Architektura i urbanistyka, Inżynier (Inż.), Architektura i urbanistyka at Podhalańska Państwowa Wyższa Szkoła Zawodowa
English, Polish, German
Stackoverflow
37,921reputation
787kreached
2,133answers
0questions
highcharts
top-1%
jquery
top-5%
javascript
top-1%
charts
top-1%
angular
top-5%
Github Skills (26)
data-visualizations10
unit-testing10
javascript10
react-hooks10
charts10
data-visualisation10
refactor10
front-end-development10
data-visualization10
refactoring10
highcharts10
react10
jquery9
angular9
html6
Programming languages (2)
Github contributions (5)
highcharts/highcharts-react
Oct 2018 - Nov 2021
The official Highcharts supported wrapper for React
Role in this project:
Front-end Developer
Front-end DeveloperContributions:2 reviews, 43 commits, 26 PRs in 3 years
Contributions summary:Paweł primarily focused on refactoring the Highcharts React wrapper, modernizing it with React Hooks. This involved significant changes to the core component, including the use of `useRef`, `useEffect`, and `useImperativeHandle`. The changes also involved the modernization of the component, by removing unnecessary code and making the component more robust. The commits updated the component's structure and improved the component's overall functionality and maintainability.
chartsreacthighchartschartsupported
highcharts/highcharts
Mar 2018 - Jun 2020
Highcharts JS, the JavaScript charting framework
Role in this project:Front-end Developer
Front-end DeveloperContributions:2 reviews, 15 commits, 37 PRs in 2 years 2 months
Contributions summary:Paweł primarily contributed to fixing bugs and improving the functionality of the Highcharts JavaScript charting library. Their work included addressing issues related to data labels, stack labels, crosshair behavior, and legend item rendering, as well as correcting the positioning of data labels in varied chart types and fixing the display of columns overlapping the xAxis. The user also added unit tests to ensure the proper functioning of these fixes and features. Their contributions improved the visual correctness and overall user experience of charts generated using the library.
chartshighchartschartchartingjavascript
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