Maciej Żenczykowski
Kernel Networking Developer at Google
Sunnyvale, California, United States
Summary
👤
Senior🎓
Top SchoolMaciej Żenczykowski is a Kernel Networking Developer with over 26 years in software and seven years focused on Linux kernel networking for Android at Google. He blends deep C and systems expertise—demonstrated by bug fixes in iputils and nuanced documentation improvements in AOSP networking APIs—with practical SRE experience from earlier roles. Maciej has contributed IPv6 and Neighbor Discovery enhancements to Android's bionic library and clarified interface management behaviors that reduce edge-case failures. Based in Sunnyvale, he pairs an academic background in physics and computer science from Jagiellonian University with long-term production-hardened work on critical open-source networking components.
26 years of coding experience
3 years of employment as a software developer
MSc, Physics (+ Computer Science/Mathematics), MSc, Physics (+ Computer Science/Mathematics) at Jagiellonian University
English, Polish, French
Stackoverflow
21reputation
14kreached
2answers
0questions
Github Skills (21)
debugging10
debug10
c-language10
bionic10
net10
errorcode10
c1110
networking10
c1710
network10
clib10
cprogramming-language10
lib9
network-programming9
ipv69
Programming languages (7)
Github contributions (5)
aosp-mirror/platform_system_core
Feb 2019 - Jan 2023
Role in this project:
Back-end Developer
Back-end DeveloperContributions:133 commits in 3 years 11 months
Contributions summary:Maciej primarily contributed to documentation and improvements related to the return codes of `ifc_add_address` and `ifc_del_address` functions. The contributions included adding comments and clarifying the behavior of these functions. Additionally, the user was involved in merging and integrating other changes. This work focused on network interface management within the Android Open Source Project.
aosp-mirror/platform_bionic
Mar 2020 - May 2022
Role in this project:Back-end Developer
Back-end DeveloperContributions:57 commits in 2 years 1 month
Contributions summary:Maciej primarily contributed to the bionic library, focusing on adding and merging features related to IPv6 networking, specifically captive portal and PREF64 options for Neighbor Discovery. Their work involved modifying the `icmp6.h` header file to define new structures and constants and modifying the `linker/linker.cpp` file. The user's commits also involved the removal of a specific property related to eBPF support.
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