Kristiyan Kostadinov
Senior Software Engineer at Google
Copenhagen, Capital Region of Denmark
Summary
🤩
Rockstar🎓
Top School
Top expert inAngular Development and Ecosystem
Kristiyan Kostadinov is a Senior Software Engineer based in Copenhagen with 12 years of experience building polished front-end experiences and developer tooling. He has worked at Google and contributed deeply to the Angular ecosystem—implementing template language features, improving Angular CLI, and enhancing Angular Material components and docs. His strengths lie in UI engineering (SVG-based progress components, theming, accessibility) and bridging UX concerns with compiler- and build-level changes. Kristiyan has shipped fixes for server-side rendering, keyboard accessibility, and TypeScript integration, showing fluency across the stack from design to build tooling. He combines practical product-facing work at companies like KAYAK and Saxo with sustained open-source impact on high-profile projects such as angular/angular and material-components. Colleagues describe him as a pragmatic engineer who elevates polish and performance without losing sight of developer ergonomics.
12 years of coding experience
9 years of employment as a software developer
PGIM "Yordan Zahariev"AP degree, Multimedia design and Communication, AP degree, Multimedia design and Communication at Copenhagen Business Academy
English, Bulgarian, Danish, Russian, German
Stackoverflow
3,712reputation
349kreached
86answers
47questions
javascript
top-5%
html
top-5%
angularjs
top-5%
Github Skills (40)
angularjs-material10
javascript10
compilation10
css10
component-development10
typescript10
language-service10
webpages10
web-content10
cli-app10
cli-application10
material-design10
schematic10
svg10
front-end-development10
Programming languages (10)
Github contributions (5)
crisbeto/angular-svg-round-progressbar
May 2014 - Jan 2023
Angular module that uses SVG to create a circular progressbar
Role in this project:
Front-end Developer
Front-end DeveloperContributions:63 releases, 8 reviews, 107 commits in 8 years 9 months
Contributions summary:Kristiyan primarily contributed to the implementation of the animationDelay option, enhancing the angular-svg-round-progressbar module. This involved adding new options in the roundProgress.js, build/index.html, and src/roundProgressConfig.js files to introduce animation delay. Furthermore, the user improved the code, preventing parallel animations and bumped the version, and build the files.
angular-modulecircular-progress-barsvgangularprogress-circle
angular/material.angular.io
Oct 2018 - Jan 2023
Docs site for Angular Components
Role in this project:Front-end Developer
Front-end DeveloperContributions:82 reviews, 77 commits, 222 PRs in 4 years 4 months
Contributions summary:Kristiyan's primary contribution involved enhancing the documentation site for Angular Material components. They implemented features to improve the user experience, such as adding the ability to link to specific themes and incorporating a 404 page. The user also focused on improving the site's accessibility, performance, and code quality by addressing missing imports, updating Google Fonts snippets, and removing unnecessary dependencies. They demonstrated expertise in Angular, HTML, and CSS by modifying various components, templates, and styles.
angular-component
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