Evan Zelkowitz
Software Engineer at Apple
Aurora, Colorado, United States
Summary
🤩
Rockstar🎓
Top SchoolEvan Zelkowitz is a software engineer with 16 years of experience specializing in high-performance caching proxies and CDN control planes, currently at Apple after a long tenure as a Principal SDE at Comcast. He has deep systems and embedded C/C++ expertise from building set-top box driver interfaces at Dish and large-scale CDN features and CI infrastructure for Apache Traffic Server and Traffic Control, contributing back to those prominent Apache projects. Evan blends backend and DevOps skills—extending runtime plugins, adding system-level stats, and improving configuration handling—while also managing LTS releases and CVE-driven maintenance. Based in Aurora, Colorado, he pairs production-oriented engineering with open-source stewardship, and his work includes practical improvements like cachekey integration and automated MaxMind DB updates that quietly reduce operational friction.
17 years of coding experience
20 years of employment as a software developer
BSEE Computer Engineering, BSEE Computer Engineering at Purdue University
Github Skills (23)
c-language10
congestion-control10
plugin-development10
cdn10
configuration-management10
apache10
perl10
cprogramming-language10
traffic10
logger9
caching9
proxy9
logfile9
disk-cache9
web-cache9
Programming languages (11)
Github contributions (5)
apache/trafficcontrol
Nov 2017 - Nov 2022
Apache Traffic Control is an Open Source implementation of a Content Delivery Network
Role in this project:
Back-end Developer
Back-end DeveloperContributions:56 reviews, 59 commits, 39 PRs in 5 years
Contributions summary:Evan focused on modifying and improving the Apache Traffic Control's configuration handling related to Apache Traffic Server (ATS). Their work involved modifying Perl scripts, specifically within the context of remap and delivery service configurations. The commits show changes for handling different versions of ATS, particularly focusing on the integration of the cachekey plugin and the generation of logging configurations. Further contributions include the addition of a maxmind database updating feature.
content-delivery-networktrafficcontrolapachecdncontentdelivery
apache/trafficserver
Nov 2017 - Dec 2022
Apache Traffic Server™ is a fast, scalable and extensible HTTP/1.1 and HTTP/2 compliant caching proxy server.
Role in this project:Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:216 reviews, 143 commits, 412 PRs in 5 years 1 month
Contributions summary:Evan's primary contribution focuses on extending the "system_stats" plugin to include system information in the stats list. This involves creating new stats, modifying the plugin to collect data from the sysfs for network devices. Also included a fix in a test script related to header syntax. Furthermore, the user added new features in the header_rewrite plugin and included other minor fixes and enhancements in several plugins, as well as documentation updates and a config setup for the parent select.
caching-proxyproxycdncacheapache
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