Valentyna Kozlova
Software Engineer II at Microsoft
Prague, Czechia
Summary
🤩
Rockstar🎓
Top SchoolValentyna Kozlova is a Software Engineer II with a decade of experience building front-end UI libraries and components, currently contributing to Microsoft's Fluent UI React library from Prague. At Microsoft she transitioned from implementing win32 components for fluentui-react-native to enhancing web-facing Fluent UI components, shipping features like Breadcrumb and MenuButton with styling and test infrastructure. Her background spans frontend development and QA automation, giving her a strong focus on reliability, testability, and polished user experience. An active contributor to the well-known microsoft/fluentui projects, she brings pragmatic component design and accessibility-minded fixes to widely used open-source UI tooling. Colleagues rely on her for shipping production-ready components and bridging native and web UI considerations.
10 years of coding experience
9 years of employment as a software developer
Master’s Degree, Computer Programming, Master’s Degree, Computer Programming at Uzhgorod National University
Stackoverflow
151reputation
4kreached
1answer
1question
Github Skills (25)
javascript10
react-components10
react-native10
ui-components10
typescript10
ui-design10
react-component10
uid10
component-kit10
front-end-development10
typescript-types10
fluentui10
typescripts10
fluentd10
react10
Programming languages (3)
Github contributions (5)
microsoft/fluentui-react-native
Jul 2021 - Jan 2023
A react-native component library that implements the Fluent Design System.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:496 reviews, 103 commits, 202 PRs in 1 year 6 months
Contributions summary:Valentyna primarily focused on implementing and enhancing UI components within the React Native framework. They added a new FluentUI Standard MenuButton component to the library, including its integration with a test page and initial component structure. Furthermore, they expanded the MenuButton by adding the functionality of submenu items, and updated styling to the button component, including the addition of customizable tokens.
reactreact-nativereact-native-componentfluent-designdesign-system
microsoft/fluentui
Jan 2023 - Jan 2023
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:401 reviews, 2 commits, 294 PRs in 6 days
Contributions summary:Valentyna primarily contributed to the development of Fluent UI React components within the `fluentui` repository. They implemented new components such as Breadcrumb, BreadcrumbItem, BreadcrumbDivider, and BreadcrumbButton, along with their associated styling and testing infrastructure. Furthermore, they addressed a bug in the Overflow component and added an icon to the BreadcrumbDivider. Their work focuses on enhancing the user interface and functionality of the Fluent UI library.
web-componentsreact-component-libraryreact-componentsmicrosoftui-components
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.