Sebastian Holstein
CEO at Qaze Software UG (haftungsbeschränkt)
Hamm, North Rhine-Westphalia, Germany
Summary
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RockstarSebastian Holstein is a seasoned software architect and entrepreneur with 15 years of experience designing and delivering web applications and developer tooling. He leads Qaze Software as CEO, building Qaze.app — a NATS management GUI — while continuing to shape architecture and teams as a Senior Software Architect at adesso SE. A JavaScript enthusiast and Gopher, he combines front-end craftsmanship (notably authoring angular-google-maps components) with cloud-native messaging expertise. Sebastian is comfortable moving between hands-on implementation and strategic technical leadership, improving UX details like custom map labels as well as system-level integrations. Based in Hamm, Germany, he blends product-minded entrepreneurship with deep open-source engagement, often turning small but impactful contributions into widely reused components.
15 years of coding experience
5 years of employment as a software developer
Stackoverflow
11reputation
248reached
1answer
0questions
Github Skills (10)
component-development10
typescript10
typescripts10
front-end-development10
google-maps-api10
typescript-types10
angular10
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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