Christopher Schaefer - Software Engineer at IBM

Christopher Schaefer

Software Engineer at IBM

Rochester, Minnesota, United States

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Summary

🤩

Rockstar

🎓

Top School

Christopher Schaefer is a software engineer with a decade of experience building and testing cloud-native platforms, currently focused on DevOps and end-to-end scenario testing for IBM's Kubernetes-based cloud. He has led development of cloud services and an auto-recovery prototype, and is developing a reusable test microservice to run diverse test suites across IBM’s container platforms. Christopher has significant open-source experience with OpenStack and has contributed to widely used projects like the OpenShift installer—adding IBM Cloud VPC, DNS, and encryption-aware integrations—and improved security tooling through enhanced tests in the Bandit project. His background spans licensing and distribution of open source software, security-focused code review, and practical CI/CD-driven service delivery, reflecting both product-side and infrastructure-level expertise. Based in Rochester, MN, he blends systems thinking with hands-on engineering to make cloud platforms more resilient and auditable.

10 years of coding experience

Bachelor of Science (B.S.), Compute Science, Bachelor of Science (B.S.), Compute Science at Minot State University

Master of Science (M.S.), Computer Science, Master of Science (M.S.), Computer Science at North Dakota State University

English

Github Skills (18)

unit-testing10

kubernetes10

pytest10

python10

ibm-cloud10

terraform10

terraformer10

go10

openshift10

kubernetes-pods10

test-automation10

cicd9

subprocess9

security9

aws-security-group9

Programming languages (5)

JavaShellGoHTMLPython

Github contributions (5)

openshift/installer

Sep 2021 - Sep 2022

Install an OpenShift 4.x cluster

Role in this project:

Back-end & DevOps Engineer

Contributions:119 reviews, 40 commits, 89 PRs in 1 year

Contributions summary:Christopher contributed significantly to the infrastructure setup and configuration of an IBM Cloud-based OpenShift cluster installer. Their work focused on integrating IBM Cloud-specific components, particularly by incorporating subnet names into the IBM Cloud provider configuration for VPC, which involved code changes in multiple files. Furthermore, the user added support for handling IBM Cloud DNS Services, incorporating various fixes, and addressing limitations related to security groups and customer-managed encryption keys, displaying a strong emphasis on deployment and management of the platform.

gcpvmsansiblelibvirtopenshift

openstack-archive/bandit

Jan 2016 - Mar 2016

Python AST-based static analyzer from OpenStack Security Group

Role in this project:

QA Engineer / Test Automation Engineer

Contributions:16 commits in 2 months

Contributions summary:Christopher primarily contributed to improving the test coverage of the `bandit` codebase. Their work focused on adding and expanding unit tests, particularly for the `baseline` and `cli.main` modules. They addressed edge cases related to git commands and subprocess calls. Additionally, the user created functional tests to evaluate the baseline functionality and its candidate comparisons.

static-analyzerpython-astpythonsecuritysecurity-group

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