Claudiu Belu
Senior Cloud Engineer at Liga AC
Timiș, Romania
Summary
🤩
Rockstar🎓
Top SchoolClaudiu Belu is a Senior Cloud Engineer based in Timiș, Romania, with 12 years of experience building and integrating cloud and virtualization solutions, particularly around OpenStack and Hyper-V. At Cloudbase Solutions he has implemented Hyper-V support, developed plugins and RESTful APIs, and contributed production-grade fixes to telemetry and networking components. He is an active open-source contributor with notable work on flagship projects like Kubernetes and containerd, focusing on image-building, CI/CD and Windows support for container runtimes and E2E tests. His background as a backend developer includes deep Hyper-V expertise—vNUMA, PCI passthrough, disk and CPU metrics—and practical experience making Windows images and tests reliable in large-scale infrastructure. Comfortable across DevOps, test automation and backend systems, he blends systems-level engineering with pragmatic automation to keep complex cloud stacks testable and production-ready. Collected work shows a pattern of fixing platform-specific edge cases that often go unnoticed but materially improve cross-platform reliability.
12 years of coding experience
1 year of employment as a software developer
Master's Degree, Computer Software Engineering, Master's Degree, Computer Software Engineering at Universitatea „Politehnica” din Timișoara
Romanian, English, French, Japanese
Github Skills (41)
kubernetes10
docker10
back-end-development10
python10
hyper-v10
wmi10
image10
testing10
windows10
test-framework10
bash10
n10
dockers10
cicd10
security10
Programming languages (12)
Github contributions (5)
openstack/nova
Oct 2013 - Sep 2020
OpenStack Compute (Nova). Mirror of code maintained at opendev.org.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:118 commits in 7 years
Contributions summary:Claudiu focused on fixing bugs and improving functionality within the OpenStack Compute (Nova) project, specifically within the Hyper-V driver. They addressed issues related to the reporting of individual disk metrics and implemented changes to ensure proper volume boot order for Generation 2 VMs. Additionally, the user contributed to the implementation of vNUMA and PCI passthrough features, enhancing the capabilities of the Hyper-V driver and the instances it manages. The user's contributions involved changes across various files, demonstrating a strong understanding of the Hyper-V compute environment.
novaopendevopenstackcompute
kubernetes/kubernetes
Apr 2018 - Jan 2023
Production-Grade Container Scheduling and Management
Role in this project:DevOps Engineer & Automation Engineer
DevOps Engineer & Automation EngineerContributions:212 reviews, 248 commits, 301 PRs in 4 years 10 months
Contributions summary:Claudiu primarily focused on improving the image building process and ensuring test image builds in the Kubernetes repository. They added various fixes and improvements to image-util.sh, specifically addressing issues related to Windows test images, including handling remote Docker connections and manifest list annotations. Furthermore, the user made improvements to the testing framework by including and updating test images and refactoring code to simplify testing.
containersschedulingdockergradeproduction-grade
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