Sascha Grunert
Principal Software Engineer at Red Hat
Greater Leipzig Area Germany
Summary
🤩
Rockstar🎓
Top SchoolSascha Grunert is a Principal Software Engineer based in the Greater Leipzig Area with 12 years of experience building resilient container and cloud-native infrastructure. He combines deep backend and DevOps expertise—especially around OCI runtimes, image tooling, and Kubernetes release/test infrastructure—with hands-on work in Go and Rust, contributing to high-profile projects like Kubernetes, Podman, Buildah, runc and sigstore/cosign. Sascha is pragmatic about reliability and security: his contributions span seccomp/AppArmor integration, container image signing, storage robustness, and CI/CD hardening across multiple ecosystems. He also ships full-stack prototypes (a Rust/Yew webapp) and tinkers with embedded firmware for custom keyboards, illustrating a rare mix of systems-level rigor and personal craftsmanship. Known for improving developer experience and observability, he cares about listening to users—turning feedback into better APIs, tests, and automation.
12 years of coding experience
8 years of employment as a software developer
Diplom-Ingenieur Informationstechnologie, Diplom-Ingenieur Informationstechnologie at Hochschule für Technik und Wirtschaft Dresden
German, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (108)
dependency-management10
go-modules10
nix10
qmk-firmware10
testing10
firmware10
command-line-interface10
test-framework10
websocket10
qmk10
c1110
gcp10
c1710
automation10
build-automation10
Programming languages (33)
Github contributions (5)
kubernetes-sigs/security-profiles-operator
Apr 2020 - Jan 2023
The Kubernetes Security Profiles Operator
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:16 releases, 1829 reviews, 483 commits in 2 years 9 months
Contributions summary:Sascha's contributions focused on improving the build process and supporting the operator's deployment within a Kubernetes environment. They introduced a Makefile for managing build and test targets, including module verification. Moreover, they restructured the project for a standard Go project layout, moved the binary to `cmd/seccomp-operator`, and implemented a version subcommand. The user also added e2e test configurations and the integration for CI jobs within Prow.
apparmorseccomp-profilesseccompk8s-sig-nodesecurity-profiles
kubernetes/release
Apr 2019 - Jan 2023
Release infrastructure for Kubernetes and related components
Role in this project:Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:24 releases, 963 reviews, 496 commits in 3 years 9 months
Contributions summary:Sascha made several contributions to the release infrastructure for Kubernetes. They focused on improving the code quality and maintainability by simplifying and optimizing existing logic. The user also addressed build-related issues, adding error checks and enhancing the reliability of the build process. The user's work included modifying Go code, as evidenced by the commit messages.
kubernetesrelease-infrastructureinfrastructure
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