Karim Geiger
Founder at OakHost OÜ
Tallinn, Harju County, Estonia
Summary
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RockstarKarim Geiger is a founder and seasoned software professional with 12 years of experience, based in Tallinn, Estonia, who builds specialized infrastructure and software solutions for Mac hosting. As founder of OakHost OÜ he combines hands-on engineering with customer-focused operations to deliver bespoke hardware, remote Mac management, and integrated software that prioritize security, scalability, and reliability. He contributes to open source tooling for developers, notably enhancing the Simple Regex Language (SRL) PHP project with advanced regex features, improved builder architecture, and stronger error handling. Karim’s background reflects both product-driven entrepreneurship and deep backend engineering chops, able to translate complex infrastructure needs into maintainable systems. He brings an unusual focus on Apple-centric data center ops—an often-overlooked niche—paired with a developer’s attention to expressive, well-documented code.
12 years of coding experience
German, English
Stackoverflow
631reputation
124kreached
6answers
4questions
Github Skills (14)
regular-expression10
php10
query-builder10
testing10
refactor9
refactoring9
unit-testing9
laravel-sanctum6
android-webview6
browser6
middleware6
laravel6
android6
redirect6
Programming languages (14)
Github contributions (5)
SimpleRegex/SRL-PHP
Aug 2016 - Feb 2017
Simple Regex Language
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 release, 58 commits, 27 PRs in 6 months
Contributions summary:Karim contributed significantly to the Simple Regex Language (SRL) project, primarily focusing on enhancing the core functionalities of the regular expression builder. They implemented features such as capture groups, positive/negative lookaheads/lookbehinds, and methods to specify quantifiers. Furthermore, the user refactored and extended the Builder class, added result methods, and improved error handling and documentation. These contributions aimed to expand the expressiveness and robustness of the SRL project.
kebab-caseregular-expressionscomposer-packagesregexregular-expression
KarimGeiger/YOLO
Oct 2014 - Feb 2018
Contributions:37 commits, 27 PRs, 26 pushes in 3 years 4 months
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