Christopher Hoffman
Senior Software Engineer at IBM
Greater Tampa Bay Area United States
Summary
🤩
Rockstar🎓
Top SchoolChristopher Hoffman is a Senior Software Engineer with five years focused on back-end and storage systems engineering, currently working at IBM after a stint at Red Hat. He brings deep hands-on experience in distributed storage—contributing to high-profile open-source projects like Ceph and DAOS—where he’s addressed autoscaling health checks, race conditions, and critical test coverage. His background spans HPC and systems roles at national labs and research institutions, giving him a practical edge in performance-sensitive, large-scale environments. Known for both feature development and QA rigor, he blends systems-level debugging with test-driven improvements that reduce operational risk. Based in Greater Tampa Bay, he pairs a BS in Computer Networking and System Administration with real-world experience shipping robust storage infrastructure.
4 years of coding experience
9 years of employment as a software developer
Bachelor of Science (B.S.), Computer Networking and System Administration, Bachelor of Science (B.S.), Computer Networking and System Administration at Michigan Technological University
Github Skills (23)
c-language10
python10
testing10
distributed-systems10
dao10
c1110
c1710
data-storage10
ceph10
eos10
distributed-file-system10
backend10
cprogramming-language10
distributed-database10
qa-automation9
Programming languages (4)
Github contributions (5)
daos-stack/daos
Jun 2021 - Oct 2021
DAOS Storage Stack (client libraries, storage engine, control plane)
Role in this project:
Back-end Developer
Back-end DeveloperContributions:27 reviews, 14 commits, 19 PRs in 4 months
Contributions summary:Christopher contributed to the DAOS storage stack by implementing and modifying core functionalities and tests. Their work involved adding new options and features to the `dfuse` module and extending the autotest capabilities to include more comprehensive smoke tests. They also addressed bugs related to integer overflows and agent communication issues. Furthermore, the user removed unused or unsupported features and updated internal code to use the correct types.
pmdkspdkhyperconvergeddaosdistributed-storage
ceph/ceph
Dec 2021 - Jul 2022
Ceph is a distributed object, block, and file storage platform
Role in this project:Back-end Developer & QA Engineer
Back-end Developer & QA EngineerContributions:216 reviews, 21 commits, 33 PRs in 7 months
Contributions summary:Christopher Hoffman contributed to the Ceph distributed storage platform by implementing features and fixing bugs. His work included modifying the health check system to accommodate autoscaling, supporting image and pool-level overrides, adding a test case for verifying diff_iterate size. Additionally, he addressed race conditions in the locking mechanisms and improved the handling of blocklist scenarios, and localized mirror snapshot operations. Furthermore, he added new tests for verifying vxattr behavior and the removal function for CephFS.
fusefile-storagecephstorageopenebs
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