Grünhage Grünhage
Member Of Technical Staff at Databricks
Karlsruhe, Baden-Württemberg, Germany
Summary
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RockstarGrünhage Grünhage is a pragmatic DevOps and infrastructure engineer with 11 years of experience running Linux servers, automating deployments, and shipping backend features across languages from C/C++ and Java to Go and—most fluently—Rust. He has led an infrastructure team at Famedly and moved into developer productivity and platform roles at Neon and Databricks, combining hands-on engineering with team leadership. Deep experience with Ansible includes writing roles, modules and custom plugins, and he has contributed automation tooling for notable open-source projects such as the yggdrasil encrypted IPv6 overlay and the Matrix Synapse client. His open-source work spans package maintenance for Void Linux, Matrix client state handling, and performance-focused backend contributions, showing an eye for practical fixes and tooling improvements. Colleagues rely on him for robust automation, pragmatic design choices, and for turning complex deployment workflows into repeatable, maintainable systems. Based in Karlsruhe, Germany, he brings a rare mix of systems programming savvy and operational scale experience, favoring Rust for new projects.
11 years of coding experience
6 years of employment as a software developer
English, German
Stackoverflow
81reputation
5kreached
1answer
2questions
Github Skills (29)
matrix10
python10
back-end-development10
package-management10
api-design10
patch10
linux10
asyncio10
matrix-org10
automation10
go10
ansible10
ansible-galaxy10
automations10
json-schema9
Programming languages (24)
Github contributions (5)
void-linux/void-packages
Dec 2021 - Jan 2023
The Void source packages collection
Role in this project:
Back-end Developer
Back-end DeveloperContributions:160 reviews, 124 commits, 602 PRs in 1 year 1 month
Contributions summary:Grünhage's primary contribution involves package management and build system modifications within the Void Linux source packages collection. They have added new packages by creating relevant patches and updated existing packages. The user's work showcases proficiency in managing build dependencies and creating patches to modify source code files to fit within the build system. These commits demonstrate involvement in maintaining and expanding the software available in the Void Linux repository.
package-managerlinuxbinariesvoidvoidlinux
matrix-org/synapse
Apr 2018 - Jun 2022
Synapse: Matrix homeserver written in Python/Twisted.
Role in this project:Back-end Developer
Back-end DeveloperContributions:7 reviews, 20 commits, 16 PRs in 4 years 2 months
Contributions summary:Grünhage primarily contributed to the back-end functionality of the Synapse homeserver. Their work included adding features related to phone home statistics, specifically for encrypted messages and cache size configurations. They also implemented a crucial change to allow Python 3 to function within the Docker container. Furthermore, they modified the authentication header to include the destination server in federation requests.
pythonmatrix-synapsematrix-synapse-homeserverhomeservermatrix
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