Andreas Thienemann
Staff Software Engineer at GitHub
Amsterdam, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolAndreas Thienemann is a Staff Software Engineer based in Amsterdam with nine years of experience leading infrastructure, security, and networking engineering at scale. He has designed and operated highly available, high-performance systems that supported tens of millions of euros in daily revenue, and thrives in high-growth, agile environments. At GitHub and previously at Cisco (OpenDNS/Metacloud) he focused on resolver availability, cloud networking, CI/CD, and operational reliability for globally distributed fleets. Early career work at Booking.com and Schuberg Philis sharpened his mission-critical automation and security tooling skills, including vulnerability tracking and bug-bounty operations. He is an active back-end contributor to SaltStack, where he improved SELinux module functionality and added vendor GPU data to grains, demonstrating a pragmatic open-source mindset. Known for bridging deep systems knowledge with practical automation, he often surfaces subtle operational fixes that improve long-term reliability.
9 years of coding experience
16 years of employment as a software developer
Dipl.-Inform. (FH), Computer Science, Dipl.-Inform. (FH), Computer Science at Fachhochschule Furtwangen - Hochschule für Technik und WirtschaftFoundation degree, Business, Foundation degree, Business at Bellerbys College BrightonAbitur, Abitur at Max Planck Gymnasium BöblingenGoldberg Gymnasium Sindelfingen
English, French, German, Dutch, Spanish
Github Skills (7)
configuration-management10
selinux10
saltstack10
python10
infrastructure-as-code9
automation8
cloud-manager7
Programming languages (2)
Github contributions (5)
saltstack/salt
Aug 2016 - Jun 2018
Software to automate the management and configuration of infrastructure and applications at scale.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 commits in 1 year 9 months
Contributions summary:Andreas primarily focused on modifying the `selinux` module within the SaltStack project, specifically addressing functionality related to filetype string conversions. Their contributions involved changing the visibility of the `filetype_id_to_string` function to public and resolving associated issues. Additionally, the user incorporated lint suggested fixes and corrected minor issues such as spelling errors within configuration files. This user also made updates to the grains module to incorporate new vendor information for GPU chipsets.
pythonzeromqevent-streaminfrastructure-managementcloud-providers
athienem/proxmoxer
Apr 2017 - Apr 2017
Contributions:5 pushes in 1 day
apipythonproxmox-apiapi-wrapperpython-wrapper
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