Kirill Spitsyn
Software Engineer at Google
Fremont, California, United States
Summary
👤
Senior🎓
Top SchoolKirill Spitsyn is a seasoned software engineer with 13 years of experience building and operating large-scale systems, currently working at Google after seven years as an SRE there and prior production engineering at Facebook. He blends deep Python development skills with systems and server architecture expertise across FreeBSD and Debian, having led high‑traffic deployments, storage designs, and video-processing infrastructure earlier in his career. Kirill is an active open-source contributor to security-focused tooling—most notably enhancing GTPv2 support in the widely used Scapy packet-manipulation library—demonstrating practical protocol and security knowledge beyond typical backend work. Based in Fremont, CA, he pairs hands-on coding with project management and hiring experience, making him effective at taking complex infrastructure projects from design through production.
13 years of coding experience
8 years of employment as a software developer
Computer Science Mathematics Economics, Computer Science Mathematics Economics at “Kyiv Politechnical Institute”, Educational and Scientific Complex “Institute of Applied System Analisys”
Stackoverflow
226reputation
17kreached
5answers
0questions
Github Skills (18)
packet-injection10
python10
network-analysis10
data-manipulation10
packet10
manipulation10
network-security10
security-txt9
security9
security-scan9
network9
gdb6
disassembly6
google-maps6
x866
Programming languages (5)
Github contributions (5)
secdev/scapy
Oct 2019 - Oct 2019
Scapy: the Python-based interactive packet manipulation program & library.
Role in this project:
Back-end Developer & Security Engineer
Back-end Developer & Security EngineerContributions:10 commits, 11 PRs, 6 comments in 10 days
Contributions summary:Kirill contributed extensively to the `scapy` library, focusing on the GTPv2 protocol implementation. They added comprehensive support for GTPv2 message types, interface types, and cause values, as well as implementing the "Private Extension" IE. The user also refactored parts of the existing code, including user location information, and improved request/response matching for GTPv2 packets, enhancing the library's ability to work with and analyze GTPv2 traffic. Furthermore, the user demonstrated expertise in packet manipulation and security protocols by their deep involvement in the GTPv2 implementation.
pythonpython2manipulationsecurity-toolsscapy
x746e/dotfiles
Jan 2015 - Apr 2025
Contributions:58 pushes, 1 branch in 10 years 4 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.