Klaus Reimer
Senior Software Developer at ip.labs GmbH
Cologne Bonn Region Germany
Summary
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Rockstar🎓
Top SchoolKlaus Reimer is a Senior Software Developer based in the Cologne–Bonn region with 22 years of hands-on experience building web and developer-facing tooling. He has been a senior engineer at ip.labs since 2004, combining long-term product knowledge with practical full-stack development skills. An active open-source contributor, Klaus improved TypeScript-to-JSON-Schema tooling (including draft-07 support and class handling) and contributed precise TypeScript definitions to DefinitelyTyped for modern browser APIs like OffscreenCanvas. His work spans front-end polish—improving a jQuery fullscreen demo and UX—to backend type parsing, caching, and bug fixes that noticeably improve performance and developer ergonomics. Known for pragmatic problem solving, he often focuses on making APIs safer and tooling faster, not just adding features. With formal technical training from Bonn and a career that started in customer support, he brings both deep implementation expertise and a user-oriented perspective.
22 years of coding experience
6 years of employment as a software developer
Informationstechnischer Assistent, Technics, Informationstechnischer Assistent, Technics at Gewerbliche Bildungsanstalt der Stadt Bonn
German, English
Stackoverflow
21,387reputation
2.1mreached
58answers
102questions
c-preprocessor
top-5%
java
top-5%
javascript
top-5%
Github Skills (29)
javascript10
jquery10
json-schema10
typescript10
generator10
typescript-definitions10
type-definition10
dts10
compiler-compiler10
typescript-types10
html10
compiler10
typescripts10
c-preprocessor9
java9
Programming languages (9)
Github contributions (5)
code-lts/jquery-fullscreen-plugin
Apr 2012 - Apr 2020
This jQuery plugin provides a simple to use mechanism to control the new fullscreen mode of modern browsers
Role in this project:
Front-end Developer
Front-end DeveloperContributions:29 commits, 7 PRs, 3 pushes in 8 years 1 month
Contributions summary:Klaus primarily focused on enhancing the jQuery fullscreen plugin's demo and updating its documentation. They improved the demo's functionality and user experience by incorporating event handling for fullscreen changes and errors, updating the demo's HTML to reflect these changes, and adding an iframe example. The user also addressed a typo and updated the minified version of the plugin.
mechanismfullscreen-modejquerybrowsersjavascript
vega/ts-json-schema-generator
Jun 2019 - Jun 2019
Generate JSON schema from your Typescript sources
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:22 commits, 20 PRs, 57 comments in 23 days
Contributions summary:Klaus primarily contributed to the development of a TypeScript-based JSON schema generator. Their work focused on updating the project to support draft-07 JSON schema specifications, including adding new keywords and improving error messages. They implemented class support, enhanced type parsing capabilities, and addressed issues related to type handling within the schema generation process. Furthermore, they made improvements to the caching mechanism to improve speed and fixed bugs.
generate-jsonjson-schematypescriptgeneratorjson
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