Julian Tölle
Team Lead - Open Source Integrations
Bielefeld, North Rhine-Westphalia, Germany
Summary
🤩
Rockstar🎓
Top SchoolJulian Tölle is a seasoned cloud and DevOps leader with 11 years of experience, now heading Open Source Integrations at Hetzner Cloud. He blends hands-on Go development and Kubernetes expertise with a track record of improving core cloud tooling—contributions include metrics, stability, and CI/CD enhancements to projects like the Hetzner CSI driver, Kubernetes autoscaler, and the Hetzner CLI. Julian excels at bridging product teams and external communities, shepherding SDKs, providers, and operator workflows from design to production while proactively shaping APIs for clarity and usability. His background building Cluster API integrations and custom Cluster API deployments for production services highlights a pragmatic focus on reliability, testing, and observability. Comfortable leading small teams and driving cross-functional initiatives, he also brings a propensity for upstream contribution and reducing operational toil through automation. Based in Bielefeld, he combines deep infrastructure know-how with a commitment to open-source collaboration and shipping resilient cloud-native systems.
11 years of coding experience
7 years of employment as a software developer
Abitur, Abitur at Ev. Gymnasium Werther
Stackoverflow
3reputation
179reached
1answer
1question
Github Skills (34)
hetzner-cloud10
kubernetes10
github-ci10
docker10
apidoc10
controller10
lifecycle10
cloud-infrastructure10
dockers10
cicd10
go10
prometheus10
api10
openstack10
kubernetes-pods10
Programming languages (14)
Github contributions (5)
hetznercloud/csi-driver
Oct 2019 - Jan 2023
Kubernetes Container Storage Interface driver for Hetzner Cloud Volumes
Role in this project:
DevOps Engineer
DevOps EngineerContributions:10 releases, 170 reviews, 29 commits in 3 years 4 months
Contributions summary:Julian's contributions primarily revolve around enhancing the Hetzner Cloud CSI driver's functionality and maintainability. They introduced Prometheus metrics support, including the necessary dependencies and integration into the gRPC server. Furthermore, the user streamlined the deployment process by incorporating a default metrics endpoint and configuring the driver to use the official Prometheus port. They also improved the testing suite, fixing integration tests and updating dependencies.
volumeskubernetes-volumeshetznercsi-plugincsi-driver
hetznercloud/cli
Nov 2022 - Dec 2022
A command-line interface for Hetzner Cloud
Role in this project:DevOps Engineer & Go Developer
DevOps Engineer & Go DeveloperContributions:9 releases, 266 reviews, 36 commits in 26 days
Contributions summary:Julian primarily contributed to improving the build and release process and fixing build-related issues. They updated the Go module dependencies and implemented fixes for generating mocks used in testing. Furthermore, the user addressed race conditions within the macOS binary signing process, ensuring build stability, and enhanced the CI/CD pipeline's logging. They also refactored the primary IP listing function to efficiently fetch results and improved the autocompletion for network zones by integrating API calls to retrieve the available zones.
command-line-toolhcloudhetznercommand-line-interfacehetzner-cloud
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.