Sebastian Holstein
CEO at Qaze Software UG (haftungsbeschränkt)
Hamm, North Rhine-Westphalia, Germany
Summary
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RockstarSebastian Holstein is a software leader and entrepreneur with 14 years of experience, currently CEO of Qaze Software while also serving as Senior Software Architect at adesso SE in Hamm, Germany. He balances startup leadership with hands-on enterprise architecture work, bridging strategic direction and day-to-day engineering. A JavaScript enthusiast and Gopher, he is an active open-source author—creator of angular-google-maps and the qaze-dev initiative—known for practical front-end contributions like custom map labels, markers and styling. Sebastian’s strength is marrying user-focused front-end polish with scalable backend design, helping teams deliver clean, maintainable systems across the stack.
15 years of coding experience
5 years of employment as a software developer
Stackoverflow
11reputation
248reached
1answer
0questions
Github Skills (13)
component-development10
typescript10
typescript310
typescripts10
front-end-development10
typescript210
google-maps-api10
typescript-types10
angular10
userinterface9
ui-design9
interface-design9
user-interface9
Programming languages (9)
Github contributions (5)
sebholstein/angular-google-maps
Nov 2015 - May 2021
Angular 2+ Google Maps Components
Role in this project:
Front-end Developer
Front-end DeveloperContributions:357 commits, 788 PRs, 590 pushes in 5 years 7 months
Contributions summary:Sebastian primarily contributed to the front-end development of the project. Their work included adding and improving Angular components, which involved implementing Google Maps features like markers and info windows. They also focused on styling and user experience improvements, such as styling the map and adding a custom label feature.
angular-libraryangular5angular4agmng2
sebholstein/astro-google-fonts-optimizer
Jul 2022 - Jun 2024
An Astro integration to optimize the Google Fonts loading performance
Contributions:3 reviews, 5 PRs, 24 pushes in 1 year 11 months
astrogoogle-fontsfontsperformanceastro-integration
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