Weronika Olejniczak
Design System Engineer at Elastic
Barcelona, Catalonia, Spain
Summary
🤩
Rockstar🎓
Top SchoolWeronika Olejniczak is a Design System Engineer with eight years of front-end experience, currently building accessible, performant UI foundations at Elastic. She specializes in design systems and component libraries, contributing to Elastic's popular EUI repository with accessibility, keyboard navigation, and VRT improvements. Comfortable across the stack, she pairs front-end craftsmanship with interests in back-end, embedded systems, and 3D programming, and she champions ADRs and MDX for clear architectural and UX documentation. At Lodgify and RSQ she reduced CI/CD times, led accessibility audits, mentored engineers, and introduced ADRs to codify decisions. A Barcelona-based engineer and conference speaker, she blends hands-on implementation with developer experience and rigorous testing practices. Her less obvious strength is turning documentation and process work (ADRs, MDX) into a tangible productivity multiplier for teams.
8 years of coding experience
4 years of employment as a software developer
BEng, Computer Science, BEng, Computer Science at Uniwersytet im. Adama Mickiewicza w Poznaniu
English, Polish, Spanish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (8)
css-in-js10
eui10
javascript10
react10
accessibility9
typescripts8
typescript8
typescript-types8
Programming languages (4)
Github contributions (5)
elastic/eui
Sep 2024 - Apr 2025
Elastic UI Framework 🙌
Role in this project:
Front-end Developer
Front-end DeveloperContributions:252 reviews, 112 PRs, 62 pushes in 6 months
Contributions summary:Weronika primarily contributed to the Elastic UI Framework (EUI) repository, focusing on improving and extending UI components. Their work included bug fixes in date picker and tool tip components, as well as implementing new features such as keyboard navigation for tabs. They also added VRT tests for the date picker and enhanced the code block component by allowing customization of the copy button's aria-label. Furthermore, the user's contributions include fixes and improvements for the website documentation.
reactsasseuiui-frameworkelastic
travellan/travellan-rn
Nov 2020 - Jan 2021
Travellan cross-platform mobile application built in React Native - helps the user plan and execute a trip!
Contributions:1 release, 32 reviews, 46 PRs in 1 month
reactmobile-applicationreact-nativeplanmobile-platform
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.