Răzvan Deaconescu
Head Of Field Engineering at University POLITEHNICA of Bucharest
Bucharest, Romania
Summary
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Rockstar🎓
Top SchoolRăzvan Deaconescu is a systems-focused technology leader with 18 years of experience bridging academic research and production engineering, currently heading Field Engineering at Unikraft to deliver true sub-10ms serverless for heavy workloads. He pairs deep low-level expertise—contributions to the Unikraft kernel include syscall implementation, PIC assembly fixes, and filesystem bug fixes—with practical CI/CD and DevOps work demonstrated in education-focused repos. As an associate professor at University POLITEHNICA of Bucharest he teaches and researches operating systems, security and program analysis, while mentoring industry collaborations with companies like Amazon and Intel. He has a PhD in Computer Engineering and a track record of turning OS research into tangible efficiency gains (100x resource improvements) and novel deployment patterns for AI agents and databases. Beyond leadership, he remains hands-on in kernel internals and developer tooling, reflecting a rare combination of academic rigor and production-grade systems engineering.
18 years of coding experience
7 years of employment as a software developer
Bacalaureat Diploma, Mathematics and Informatics, Bacalaureat Diploma, Mathematics and Informatics at Colegiul Național I.C. Brătianu PiteștiPOLITEHNICA București National University for Science and Technology
Romanian, English
Stackoverflow
11reputation
192reached
0answers
1question
Github Skills (19)
github-ci10
bash10
os-development10
c1110
c1710
githubaction-workflow10
operating-system10
makefile9
kernel9
ed255198
od8
qemu7
virtualization7
security7
documentation7
Programming languages (20)
Github contributions (5)
unikraft/unikraft
Mar 2020 - Nov 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 / System Engineer
Back-end Developer / System EngineerContributions:7 releases, 604 reviews, 30 commits in 2 years 8 months
Contributions summary:Răzvan primarily contributed to the Unikraft kernel project by implementing and refining system calls and low-level functionalities. Their work included modifying assembly code for position-independent code (PIC) in critical sections like thread startup and context switching, enhancing the system's flexibility and security. They also registered and stubbed various system calls within the syscall shim, like `gettimeofday`, `pause`, `alarm`, `times`, and `time`, expanding the functionality of the unikernel. Moreover, the user identified and fixed bugs in the vfscore library, improving file system operations.
kernelposix-compliantvirtualizationmicroserviceposix
open-education-hub/operating-systems
Jan 2022 - Jan 2023
Teaching resources (OER) for Operating Systems
Role in this project:DevOps Engineer & Technical Writer
DevOps Engineer & Technical WriterContributions:166 reviews, 19 commits, 82 PRs in 11 months
Contributions summary:Răzvan primarily focused on improving the repository's infrastructure and documentation. They added a Super-Linter GitHub Action to validate the codebase and enhanced the build process, demonstrating a focus on CI/CD. Furthermore, the user added a script for updating the repository with the content of specific labs. They also contributed to documentation with the addition of the "Software Stack" lecture and lab READMEs, as well as making changes to existing files to follow cpplint checks.
openeduoperating-systemsoperating-systemteachingsystem-programming
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