Christoph Stäbler
Principal Software Engineer at Red Hat
Kemnat, Baden-Württemberg, Germany
Summary
🤩
Rockstar🎓
Top SchoolChristoph Stäbler is a Principal Software Engineer with 11 years of experience building and stabilizing cloud-native infrastructure, currently focused on Red Hat OpenShift Serverless and Knative Eventing. He combines backend engineering, DevOps and test-automation expertise—evident from contributions to high-profile open-source projects like Knative Eventing and OVN Kubernetes—where he has driven CI/CD, reliability fixes, and feature promotions to GA. Christoph has a strong background in Kubernetes networking, bare-metal OpenShift, and automation, plus practical experience designing Kubernetes platforms for autonomous driving at Mercedes‑Benz. He’s skilled at turning flaky tests and deployment issues into robust, observable systems, often improving logging, leader election, and webhook stability. Colleagues benefit from his pragmatic focus on maintainability, e2e test quality, and operational readiness. Based in Kemnat, Germany, he blends academic software-engineering foundations with hands-on production experience across large enterprise and open-source ecosystems.
11 years of coding experience
12 years of employment as a software developer
Ausbildung Fachinformatiker Anwendungsentwicklung, Ausbildung Fachinformatiker Anwendungsentwicklung at IT.Schule StuttgartSoftware Engineering, Software Engineering at Jönköping UniversityBachelor of Engineering - BE Softwaretechnik, Bachelor of Engineering - BE Softwaretechnik at Hochschule Esslingen - University of Applied Sciences
Github Skills (29)
e2e-testing10
snyk10
kubernetes10
back-end-development10
scripting10
testing10
e2e-test10
cni10
bash10
networking10
cicd10
automation10
script10
go10
openshift10
Programming languages (14)
Github contributions (5)
knative/eventing
Nov 2022 - Jan 2023
Event-driven application platform for Kubernetes
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:562 reviews, 9 commits, 147 PRs in 2 months
Contributions summary:Christoph primarily contributed to the Knative Eventing project by removing a feature flag related to strict subscriber validation and promoting it to GA, indicating a focus on improving the core functionality. They also refactored code, replacing deprecated `pointer.XYZPtr()` functions with `pointer.XYZ()`, enhancing code maintainability. Furthermore, the user addressed webhook schema registrations and sequence statuses, resolving issues related to the correct operation and stability of the system. The user's contributions included code changes, demonstrating a focus on backend logic and system stability.
eventingeventscloudeventsspecificationdeveloper-productivity
openshift/cluster-network-operator
Jul 2021 - Sep 2022
Create and manage cluster networking configuration
Role in this project:Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:11 reviews, 11 commits, 8 PRs in 1 year 2 months
Contributions summary:Christoph's contributions primarily focused on enhancing the cluster-network-operator. They made changes to improve leader election durations for Single Node OpenShift (SNO) clusters and added millisecond resolution to OVN logs. Furthermore, they added a controller to synchronize API and Ingress VIPs within the infrastructure configuration and implemented server-side apply for updates. These changes indicate a focus on improving stability, logging, and infrastructure management related to the project.
networkingsdnoperatorkubernetescluster
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