Kristian Köhntopp
Distinguished Engineer at HERE Technologies
Hoofddorp, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolKristian Köhntopp is a Distinguished Engineer with 12+ years of experience designing and operating large-scale databases, data centers, and cloud systems across both startups and enterprises. He has led architecture and capacity planning at Booking.com, helped build production OpenStack/Ceph clouds, and currently shapes platform strategy at HERE Technologies. A hands-on technologist credited in PHP internals and contributor to Ansible modules, he blends deep systems, security and operations expertise with product-level leadership. He also maintains a long-running technical and political blog, reflecting a rare mix of practitioner insight and public-facing thought leadership. Notably, he has practical experience building a cloud and planning data centers end-to-end—skills that bridge hardware, software and organizational strategy.
12 years of coding experience
23 years of employment as a software developer
Abitur, Abitur at Max-Planck-Schule KielDiplom, Computer Science and Mathematics, Diplom, Computer Science and Mathematics at Christian Albrechts UniversitätHeinrich-Heine-Schule Kiel
German, English
Stackoverflow
3,323reputation
295kreached
41answers
0questions
mysql
top-1%
database
top-5%
Github Skills (21)
package-management10
python10
mysql10
ansible10
ansible-galaxy10
devops9
database9
automations8
automation8
aws7
documentation6
varchar6
php6
sql6
database-design6
Programming languages (11)
Github contributions (5)
ansible/ansible-modules-extras
Aug 2015 - Sep 2015
Ansible extra modules - these modules ship with ansible
Role in this project:
Backend & DevOps Engineer
Backend & DevOps EngineerContributions:1 PR, 4 comments, 3 issues in 13 days
Contributions summary:Kristian contributed to the Ansible modules, enhancing the `opkg` module by adding a `force` option for package management, allowing force installation and removal. They updated inline documentation to improve clarity. Additionally, the user's commits include merging updates from the upstream 'devel' branch, integrating changes across various cloud provider modules like AWS and Cloudstack.
ansibleship
isotopp/isotopp.github.io
Aug 2019 - Jan 2023
https://blog.koehntopp.info, previously named https://isotopp.github.io
Contributions:4 reviews, 1759 commits, 166 PRs in 3 years 5 months
batterymysqlsolarenergydatacenter
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