Ciprian Hacman
Senior Software Engineer Kubernetes SME at Microsoft
Bucharest, Romania
Summary
🤩
Rockstar🎓
Top SchoolCiprian Hacman is a Senior Software Engineer and Kubernetes SME with 11 years of experience building and running Kubernetes at scale, currently advising Microsoft’s runtime and AKS teams. He designs pragmatic, upstream-first solutions—custom controllers and production fixes—and has a strong track record of contributing to flagship projects like kubernetes/kops and core Kubernetes itself. His work spans cloud providers (AWS, Hetzner), test-infrastructure and etcd tooling, and he helps lead the etcd-operator working group while sharing field lessons at KubeCon. Known for removing legacy cruft (dockershim-era flags) and improving cluster automation and security, he blends systems-level C/C++ and Python background with modern GitOps practices. Based in Bucharest, he pairs hands-on engineering with open-source stewardship, driving changes that land in production and upstream repositories.
11 years of coding experience
13 years of employment as a software developer
POLITEHNICA București National University for Science and Technology
English, French, Romanian
Stackoverflow
1reputation
0reached
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Github Skills (24)
kubernetes10
docker10
cloud-computing10
testing10
etcd10
dockers10
terraform10
cicd10
terraformer10
automation10
containerd10
go10
aws10
kubernetes-pods10
automations10
Programming languages (17)
Github contributions (5)
kubernetes/kops
Mar 2020 - Jan 2023
Kubernetes Operations (kOps) - Production Grade k8s Installation, Upgrades and Management
Role in this project:
Backend & DevOps Engineer
Backend & DevOps EngineerContributions:53 releases, 3399 reviews, 1254 commits in 2 years 10 months
Contributions summary:Ciprian's commits focused on applying suggestions from code reviews to enhance the functionality and maintainability of the codebase. The changes included modifications across multiple files within the AWS cloud infrastructure management tool, kops. The user updated code related to handling subnets, load balancer configuration, and AWS EBS CSI driver, setting specific attributes such as the backup interval and setting instance metadata for the nodes. The user also contributed to infrastructure and test setup, including changes to testing scenarios, Kubernetes version handling, and the utilization of test frameworks.
containersgcphelmlinodeinstallation
kubernetes/cloud-provider-aws
Jun 2021 - Dec 2022
Cloud provider for AWS
Role in this project:Cloud Engineer / Infrastructure Engineer
Cloud Engineer / Infrastructure EngineerContributions:85 reviews, 39 commits, 48 PRs in 1 year 7 months
Contributions summary:Ciprian primarily focused on enhancing the cloud provider functionality for AWS within the Kubernetes ecosystem. Their contributions include adding support for IPv6 node addresses by modifying existing code and test cases within the cloud provider's AWS implementation. The user updated Kubernetes dependencies and AWS SDK versions, along with modifying build scripts for automated release tagging and e2e testing. This includes setting up e2e tests with the `--dns=none` flag and migrating the e2e tests to Ginkgo 2.0.
awsamazon-web-servicesk8s-sig-cloud-providersubnet
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