Ivan Kolodyazhny
Senior Software Engineer at OpenStack
Kharkiv, Kharkiv Oblast, Ukraine
Summary
🤩
Rockstar🎓
Top SchoolIvan Kolodyazhny is a Senior Software Engineer with 15 years of experience specializing in web applications, cloud and OpenStack ecosystems, and backend Python development. He currently contributes to and leads efforts in OpenStack (Horizon PTL and core reviewer) and works at NVIDIA, bringing deep expertise in Cinder, Neutron, and Horizon codebases. Ivan is an active open-source contributor—his network-focused enhancements to the popular netlink Go library and bugfixes/security improvements in OpenStack Cinder demonstrate a practical focus on reliability and infrastructure at scale. He combines strong JavaScript/front-end optimization skills with systems-level knowledge (databases, Linux/Windows administration, and cloud platforms like GAE and OpenStack). Organizer of Kharkiv Python community events and a past lecturer on ASP.NET MVC, DLR/IronPython and GAE, he pairs community leadership with hands-on engineering. Notably, despite early .NET experience, he now prefers non-.NET roles, signaling a deliberate focus on cloud-native and Python-centric work.
15 years of coding experience
14 years of employment as a software developer
Kharkiv National University of Radio ElectronicsSoftware Development, Software Development at Kharkov Patent-Computer Colledge
English, Russian, Ukrainian
Stackoverflow
574reputation
68kreached
29answers
0questions
Github Skills (52)
code-optimization10
benchmark10
preprocessing10
python10
back-end-development10
preprocess10
django10
cinder10
rally10
benchmarking10
html-template10
python-templates10
networking10
network-programming10
sc10
Programming languages (10)
Github contributions (5)
openstack/cinder
Jul 2014 - Dec 2020
OpenStack Block Storage (Cinder). Mirror of code maintained at opendev.org.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:153 commits in 6 years 6 months
Contributions summary:Ivan primarily contributed to the back-end functionality of the OpenStack Block Storage (Cinder) repository. Their work involved addressing bugs, enhancing security, and improving code quality, specifically through the use of PyCrypto for password generation and the implementation of immutable default values for function arguments. The user also made improvements to the database interaction and schema migration, and fixed some inconsistencies within API implementations.
cinderblockchainopendevblock-storageopenstack
openstack/horizon
Apr 2014 - Dec 2020
OpenStack Dashboard (Horizon). Mirror of code maintained at opendev.org.
Role in this project:Back-end Developer
Back-end DeveloperContributions:135 commits in 6 years 8 months
Contributions summary:Ivan primarily contributed to bug fixes and improvements within the OpenStack Horizon dashboard. Their work included addressing issues related to search form submissions and missing translations in firewall views. They also resolved style issues in the error page template and added functionality related to volume creation, showcasing an understanding of the underlying infrastructure. The user's commits demonstrate proficiency in the codebase and a focus on improving the user experience and resolving technical problems.
horizonopendevopenstackdashboardenterprise
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