Fabian von Feilitzsch

Raleigh, North Carolina, United States

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Summary

🤩

Rockstar

Fabian Von Feilitzsch is a Principal Software Engineer at Red Hat with 12 years of experience building and automating OpenShift and Kubernetes platforms and applications. He blends deep hands‑on expertise in Python, Ruby, Go, and Ansible with a strong focus on test automation and CI/CD for operator and platform workflows, contributing to high-profile projects like the Kubernetes Python client, operator-sdk, and openshift-restclient-python. Fabian’s background in functional programming and formal verification informs pragmatic engineering choices—he experiments with proof-oriented languages such as Coq and Idris and often ports functional ideas into Python. He’s driven by resilient, reproducible automation: from extending OpenShift Ansible playbooks to improving e2e testing with Molecule and refining discovery and cleanup logic in client libraries. Based in Raleigh, he’s currently focused on private cloud and home-IoT infrastructure to enable privacy-preserving automation without vendor lock-in.

12 years of coding experience

Stackoverflow

Stats

855reputation

276kreached

9answers

0questions

Github Skills (45)

api-rest10

kubernetes10

docker10

javascript10

pytest10

py10

python10

apidoc10

kubernetes-apiserver10

api-design10

restful-api10

django10

testing10

dockers10

cicd10

Programming languages (20)

JavaC++JinjaCMakefileGoMustacheHTML

Github contributions (5)

openshift/openshift-restclient-python

Mar 2017 - Feb 2022

Python client for the OpenShift API

Role in this project:

Back-end Developer & Test Automation Engineer

Contributions:56 releases, 8 reviews, 216 commits in 4 years 11 months

Contributions summary:Fabian contributed significantly to the test suite within the OpenShift Python client project. Their work involved adding and expanding functional tests for persistent volumes, persistent volume claims, replica sets, stateful sets, and horizontal pod autoscalers. These tests used helper functions for interacting with the OpenShift API and covered object creation, retrieval, patching, replacing and deletion, ensuring functionality and addressing API version issues. The user also implemented fixes related to stateful set and other minor improvements to the test suite.

openshiftpython

operator-framework/operator-sdk

Nov 2018 - Nov 2021

SDK for building Kubernetes applications. Provides high level APIs, useful abstractions, and project scaffolding.

Role in this project:

DevOps Engineer & Automation Engineer

Contributions:85 reviews, 56 commits, 128 PRs in 3 years

Contributions summary:Fabian primarily contributed to the automation and testing aspects of the Kubernetes operator SDK. Their work focused on enhancing the Ansible-based operator development workflow, adding and refining end-to-end (e2e) testing capabilities using Molecule. They implemented features to facilitate operator testing within CI/CD pipelines, by introducing features such as new test scenarios, log aggregation, and dependency management. Furthermore, they addressed issues, such as how parameters are converted, and incorporated best practices.

kubernetesoperatorsdk

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