Rafał Kuliński
IT Software Engineer Authorized Officer at UBS
Wroclaw Metropolitan Area Poland
Summary
🤩
Rockstar🎓
Top SchoolRafał Kuliński is an experienced IT software engineer and authorized officer based in Wrocław, Poland, with nine years in professional development and a decade-plus tech background spanning QA leadership, SDET practices, and full-stack web development. At UBS since 2017 he combines enterprise-grade engineering with operational responsibility, bringing pragmatic automation and CI/CD experience introduced earlier as QA Team Manager (Selenium, ProtractorJS, Docker, Jenkins). He contributes to notable open-source front-end work—improving event handling and UX in the widely used react-select component—demonstrating attention to edge cases and resilient component behavior. Rafał pairs a formal Computer Science M.Sc. with hands-on skills in networking (Cisco Academy) and a history of organizing teams and public events, reflecting both technical depth and community-minded leadership.
9 years of coding experience
6 years of employment as a software developer
Master of Science (M.Sc.), Computer Science, Master of Science (M.Sc.), Computer Science at University of Wroclaw
English, German, Polish
Github Skills (8)
component-development10
typescript10
typescripts10
front-end-development10
event-handling10
react10
typescript-types10
javascript9
Programming languages (9)
Github contributions (5)
JedWatson/react-select
Feb 2022 - Apr 2022
The Select Component for React.js
Role in this project:
Front-end Developer
Front-end DeveloperContributions:4 reviews, 7 commits, 8 PRs in 1 month
Contributions summary:Rafał made several contributions focused on refining the behavior and implementation of the React Select component. They addressed edge cases related to event handling, specifically removing unnecessary `stopPropagation` calls and handling duplicate events. The user also refactored the code to utilize `defaultPrevented` to avoid duplicated event handling and introduced internal flags for preventing redundant actions within the component's event listeners. These changes improved the component's responsiveness and user experience.
react
rkulinski/DVD-database
Apr 2018 - Jun 2018
My dvd's database
Contributions:44 PRs, 81 pushes, 30 branches in 1 month
database
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