Dalimil Hajek
Senior Software Engineer at Stripe
Vancouver, British Columbia, Canada
Summary
🤩
Rockstar🎓
Top SchoolDalimil Hajek is a Senior Software Engineer with 11 years of experience building polished web and frontend systems, currently shaping Stripe’s web experience from Vancouver. He has led frontend efforts at scale—driving Twitter’s Ads Experimentation platform and migrating Office Online to React at Microsoft—while also contributing to Google Hangouts Chat and improving Firefox DevTools UI. Comfortable across React, TypeScript, Redux and Node.js, he’s shipped customer-facing features and platform integrations with big-data and cloud services. Dalimil’s open-source work includes UI and accessibility improvements to high-profile projects like Firefox DevTools and Microsoft’s Fluent UI, reflecting a focus on usability and assistive tech. He’s as likely to architect a visual pipeline that becomes a company’s core selling point as he is to fix a tricky accessibility bug, combining product impact with hands-on front-end craft.
11 years of coding experience
8 years of employment as a software developer
Bachelor of Science (BSc) Computer Science, Bachelor of Science (BSc) Computer Science at The University of Edinburgh
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (19)
accessibility10
javascript10
ui-components10
css10
typescript10
ui-design10
devtools10
uid10
component-kit10
front-end-development10
typescript-types10
typescripts10
developer-tools10
react10
unit-testing9
Programming languages (7)
Github contributions (5)
microsoft/fluentui
Feb 2019 - Mar 2021
Fluent UI web represents a collection of utilities, React components, and web components for building web applications.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:9 reviews, 9 commits, 9 PRs in 2 years 1 month
Contributions summary:Dalimil primarily contributed to the Fluent UI web component library by implementing accessibility improvements and bug fixes. Their work focused on adding `aria-describedby` attributes to components like ComboBox and SpinButton and ensuring proper focus management. They also addressed issues related to Narrator scan mode and off-screen modal positioning, demonstrating expertise in UI accessibility and component behavior. Furthermore, the user updated unit tests and API definitions.
web-componentsreact-component-libraryreact-componentsmicrosoftui-components
firefox-devtools/debugger
Sep 2016 - Jun 2017
The faster and smarter Debugger for Firefox DevTools 🔥🦊🛠
Role in this project:Front-end Developer
Front-end DeveloperContributions:13 commits, 15 PRs, 26 comments in 9 months
Contributions summary:Dalimil primarily focused on improving the user interface and functionality of the Firefox debugger. Their contributions include adding and updating UI elements like the toolbox favicon, search key command information, and breakpoints toggle. They also addressed localization issues by fixing hardcoded strings and adjusted styling for elements like watch expression header buttons. Furthermore, the user enhanced the source tree component, ensuring proper display and expanding functionality.
firefoxsmarterfasterdeveloper-toolsdebugging
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.