Corey Bryant
Manager, Release Operations - Mozilla Thunderbird
Cary, North Carolina, United States
Summary
🤩
Rockstar🎓
Top SchoolCorey Bryant is a seasoned software engineering leader with 12 years of experience currently managing Release Operations for Mozilla Thunderbird, where he oversees engineering and QA for client builds, releases, and distribution. He combines deep systems engineering roots from a decade at Canonical—maintaining hundreds of Python packages, backporting OpenStack to Ubuntu LTS, and co-maintaining dozens of deployment charms—with hands-on open source contributions to core OpenStack projects like Nova and Cinder. His background spans low-level systems and security work at IBM (KVM, LDAP, and z/OS runtimes) through to cloud release automation, giving him a rare fluency across infrastructure, packaging, and release tooling. Known for fixing tricky race conditions, cross-version Python compatibility, and storage edge cases, he brings pragmatic debugging skills to complex distributed systems. He also has substantial people leadership experience—running onboarding programs and interviewing extensively—so he marries technical depth with proven team-building and process discipline.
12 years of coding experience
20 years of employment as a software developer
BS Computer Science, BS Computer Science at Binghamton UniversityMS Information Technology MIS Concentration, MS Information Technology MIS Concentration at Rensselaer Polytechnic Institute
Github Skills (17)
unit-testing10
pytest10
python10
back-end-development10
blockdevice10
openstack10
service-design10
test-automation10
backend9
service-provider9
ceph9
database-management9
drbd8
deprecated8
six8
Programming languages (13)
Github contributions (5)
openstack/python-keystoneclient
Jun 2015 - Jun 2019
OpenStack Identity (Keystone) Client. Mirror of code maintained at opendev.org.
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:8 commits in 4 years 1 month
Contributions summary:Corey's contributions primarily focus on improving the quality and maintainability of the codebase through the modification of existing test cases. They addressed compatibility issues and deprecated functionalities related to older Python versions and libraries. The user demonstrated a focus on ensuring code correctness and adherence to best practices by updating tests to reflect changes in the project's dependencies and APIs. They updated existing tests to handle deprecation warnings and ensure code coverage across different Python versions.
opendevkeystoneidentityopenstack
openstack/cinder
Jan 2015 - Jan 2021
OpenStack Block Storage (Cinder). Mirror of code maintained at opendev.org.
Role in this project:Backend Developer & QA Engineer
Backend Developer & QA EngineerContributions:14 commits in 6 years 1 month
Contributions summary:Corey primarily contributed to the backend functionality and testing of the OpenStack Cinder project. Their work involved fixing bugs related to Python versions and certificate verification. They also addressed issues related to the rados library and ensuring the correct handling of byte data, particularly in the context of metadata backups. The user further implemented improvements in the area of RBD, addressing retry mechanisms for volume deletion, and added relevant tests.
cinderblockchainopendevblock-storageopenstack
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