Chen Ji
Senior Technical Staff Member (STSM) at IBM
Chaoyang District, Beijing, China
Summary
🤩
Rockstar🎓
Top SchoolChen Ji is a Senior Technical Staff Member with 12+ years building and architecting IaaS and cloud-native solutions, specializing in OpenStack, Kubernetes, and cloud enablement for enterprise platforms like IBM LinuxONE. He combines deep backend and DevOps expertise—contributing to high-profile open-source projects such as OpenStack Nova, Kubernetes Service Catalog, Cluster API and the Kepler energy-efficiency exporter—with a track record of stabilizing APIs, improving CSI drivers, and adding test coverage. At IBM he has driven OpenStack-based architectures across z/VM and KVM hypervisors and maintained the Cluster API OpenStack provider, reflecting both hands-on coding and systems-level design. Earlier work in embedded OS and filesystem/database development at Samsung and UTStarcom gives him uncommon depth from embedded to cloud-scale systems. He’s known for pragmatic fixes that reduce operational noise (quota/exception hardening, better logging) and for advancing sustainable computing through tooling and metrics.
12 years of coding experience
7 years of employment as a software developer
Master's degree, Automatic control, master, Master's degree, Automatic control, master at Southeast University
Github Skills (49)
laravel-nova10
unit-testing10
kubernetes10
python10
apidoc10
ebpf10
gcloud10
back-end-development10
testing10
command-line-interface10
cloud-infrastructure10
openstack-nova10
cicd10
automation10
infrastructure10
Programming languages (11)
Github contributions (5)
kubernetes/cloud-provider-openstack
Sep 2018 - Dec 2022
Role in this project:
Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:4 releases, 344 reviews, 149 commits in 4 years 4 months
Contributions summary:Chen primarily contributed to the OpenStack cloud provider for Kubernetes, focusing on the Cinder CSI plugin. Their work involved implementing features such as snapshot creation, deletion, and listing, along with volume expansion capabilities. Furthermore, the user addressed bug fixes related to volume detach operations and improved logging for debugging purposes. The contributions also included enhancements to the CSI driver, such as versioning and controller capabilities, and improvements to the ingress controller.
k8s-sig-storagecsi-plugink8s-sig-cloud-providerkubernetesopenstack
kubernetes-sigs/cluster-api-provider-openstack
Jan 2019 - Jan 2023
Cluster API implementation for OpenStack
Role in this project:Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:6 releases, 337 reviews, 165 commits in 4 years
Contributions summary:Chen primarily focused on improving the infrastructure and automation aspects of the OpenStack provider for the Cluster API project. Their contributions included automating the generation of RBAC and CRD files using controller-gen, along with making changes to the generate-yaml.sh script and Kustomize templates for more streamlined builds and deployments. Furthermore, the user added support for various configurations, such as config drive and the ability to configure the token TTL through the CLI. The user also implemented fixes for deployment issues and enhanced logging for improved debugging.
k8s-sig-cluster-lifecycle
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