Ondřej Nový
Development Director at Debian
Brno, South Moravia, Czechia
Summary
🤩
Rockstar🎓
Top SchoolOndřej Nový is a seasoned technology leader with 25 years of experience, currently serving as Development Director at Seznam.cz and an active Debian Developer. He combines hands-on back-end and security engineering—contributing to critical open-source infrastructure like BIND 9, testssl.sh, libuv and OSS-Fuzz—with senior leadership in product and platform teams. His work shows deep roots in DNS, networking and TLS security, including integrating BIND into continuous fuzzing and hardening parsing vulnerabilities in widely used libraries. Comfortable switching between hands-on patching and large-team delivery, he has a track record of streamlining legacy code, improving reliability and shipping compatibility fixes for package ecosystems like Homebrew. Based in Brno, he brings a pragmatic engineering mindset informed by long-term maintenance of internet-facing systems and a history of mentoring and technical training.
25 years of coding experience
8 years of employment as a software developer
bachelor, Information Technology, bachelor, Information Technology at Brno University of Technologygraduation, Electrical and Electronics Engineering - Information technologies, graduation, Electrical and Electronics Engineering - Information technologies at ISŠ COP Brno
Czech, English
Stackoverflow
333reputation
18kreached
5answers
1question
Github Skills (53)
udp10
debug10
ssl10
tls1210
package-management10
image-processing10
testing10
it-security10
ip10
linux10
bash10
software-update10
c1110
io10
tls1310
Programming languages (22)
Github contributions (5)
isc-projects/bind9
Oct 2017 - Jan 2023
Mirror of https://gitlab.isc.org/isc-projects/bind9, please submit issues and PR/MRs in the GitLab. Any issues and PRs opened here will be closed without a comment.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:4530 commits, 11 PRs, 6875 pushes in 5 years 3 months
Contributions summary:Ondřej primarily contributed to the BIND 9 DNS server project by adding and implementing features related to networking and DNS functionality. Their work involved adding a network manager-based timer API and improving the handling of TCP connections, focusing on performance and reliability by addressing potential issues like connection timeouts and invalid HTTP requests. Furthermore, they were responsible for removing the unused and deprecated functionalities of the DNS, leading to a streamlined implementation.
openedbind9dnsclosedbind
libgd/libgd
Apr 2013 - Jan 2017
GD Graphics Library
Role in this project:Security Engineer
Security EngineerContributions:2 releases, 40 commits, 6 PRs in 3 years 9 months
Contributions summary:Ondřej primarily focused on identifying and fixing security vulnerabilities in the `libgd/libgd` library, specifically related to TGA file parsing. Their contributions included patching potential out-of-bounds read errors and addressing vulnerabilities like CVE-2016-6132. They also added test cases to verify the fixes. Furthermore, they addressed boundary issues within the `gdImageFillToBorder` function.
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