Cezar Crăciunoiu
Junior Maintainer at Unikraft
Bucharest, Romania
Summary
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Rockstar🎓
Top SchoolCezar Crăciunoiu is a Junior Maintainer and graduate teaching assistant with seven years of software engineering experience focused on systems, programming languages and open-source development. He contributes to the Unikraft unikernel—working on low-level kernel features, allocators, tooling and platform support—while using the project as a research and deployment playground. As a master's student in Advanced Cybersecurity with top grades, he combines rigorous academic grounding with practical systems work, teaching Operating Systems and Performance Evaluation. Known for breaking complex problems into small, testable tasks, he also brings hands-on experience building Java EE tooling and performance testing from industry internships.
7 years of coding experience
POLITEHNICA București National University for Science and Technology
English, Romanian, French, German
Stackoverflow
1reputation
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Github Skills (15)
c1710
kernel10
unikernel10
system-programming10
c1110
operating-system10
x86-649
x869
build-automation8
python8
cprogramming-language7
cloud-native7
automations7
automation7
c-language7
Programming languages (11)
Github contributions (5)
unikraft/unikraft
Oct 2021 - Jun 2022
A next-generation cloud native kernel designed to unlock best-in-class performance, security primitives and efficiency savings.
Role in this project:
Back-end Developer & Systems Engineer
Back-end Developer & Systems EngineerContributions:294 reviews, 4 commits, 51 PRs in 7 months
Contributions summary:Cezar primarily contributed to the Unikraft kernel, focusing on low-level system functionalities. Their work includes fixing compiler warnings related to time structures and introducing a library skeleton for `ukstore`. They implemented static entry registration within `ukstore` for allocator statistics. Furthermore, they added support for pvpanic devices on x86 platforms. Additionally, the user enhanced the codebase with dynamic API support and addressed python script suggestions related to `uk-libinfo`, `uk_trace/trace`, `mkbootinfo`, `mkukreloc`, `uk-gdb`, `ukgcov`, `multiboot` and `mkefi`.
kernelposix-compliantvirtualizationmicroserviceposix
craciunoiuc/kraftkit
Oct 2022 - Mar 2025
Build and use highly customized and ultra-lightweight unikernel VMs.
Contributions:2 releases, 7 PRs, 699 pushes in 2 years 4 months
customizedvmsultraunikernel
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