Rafael Franzke
Software Developer at SAP
Hockenheim, Baden-Württemberg, Germany
Summary
🤩
Rockstar🎓
Top SchoolRafael Franzke is a software developer with nine years' experience focused on cloud-native infrastructure and Kubernetes management, currently building Gardener on SAP Business Technology Platform. He contributes backend and DevOps expertise to the widely used gardener/gardener project, improving ETCD labeling, NetworkPolicy controllers, Prometheus integration, logging, and build processes to make cluster operations more reliable at scale. With an academic foundation from Goethe University Frankfurt and hands-on teaching experience, he combines strong systems thinking with clear documentation and operational rigor. Colleagues can count on him for pragmatic improvements that reduce technical debt and streamline platform tooling behind the scenes.
9 years of coding experience
Master’s Degree, Computer Science, Master’s Degree, Computer Science at The Goethe University Frankfurt
German, English, French, Italian
Github Skills (14)
golang10
kubernetes10
go10
devops10
kubernetes-pods10
controller9
etcd9
clustering9
cluster-computing9
network9
net9
kubernetes-cluster8
dockers7
docker7
Programming languages (9)
Github contributions (5)
gardener/gardener
Feb 2023 - Mar 2023
Homogeneous Kubernetes clusters at scale on any infrastructure using hosted control planes.
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:9 releases, 6682 reviews, 34 commits in 1 month
Contributions summary:Rafael focused on enhancing the Kubernetes cluster management capabilities of the `gardener/gardener` project. They contributed to features such as the use of labels for ETCD, enhancing the `gardener-resource-manager`'s `NetworkPolicy` controller, and adapting network policies for components scraped by Prometheus. They also implemented improvements to logging and support for kubeconfigs, demonstrating a strong focus on the project's core functionality and operational aspects. Additionally, they optimized the codebase by removing deprecated components and improving build processes.
gcpcontrollerclustersmetalstackequinixmetal
gardener/machine-controller-manager-provider-local
Nov 2021 - Sep 2022
Contributions:13 reviews, 10 commits, 17 PRs in 9 months
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