Evan Krall
Site Reliability Engineer at Yelp
San Francisco, California, United States
Summary
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Rockstar🎓
Top SchoolEvan Krall is a Site Reliability Engineer based in San Francisco with 14 years of experience keeping high-traffic services healthy, fast, and easy for developers to operate. At Yelp since 2011, he has blended backend and DevOps work—shipping deployment automation, refining rollback and status tooling, and improving observability with sidecar integrations. His open-source contributions to projects like voxpupuli/puppet-consul show practical systems expertise, adding cross-distro init/systemd support and robust process management for production agents. Comfortable both writing deployment subcommands and tuning init scripts, he focuses on reliable operations that reduce toil and increase velocity. His background in climbing instruction hints at a steady, safety-minded approach to high-stakes engineering.
14 years of coding experience
2 years of employment as a software developer
B.S., Computer Science, B.S., Computer Science at Case Western Reserve University
Stackoverflow
3,046reputation
265kreached
9answers
6questions
Github Skills (26)
kubernetes10
puppeteer10
python10
redhat10
debian10
kubernetes-pods10
devops10
puppet9
automation-testing9
automation9
deployment-automation9
automations9
docker8
centos8
helm8
Programming languages (15)
Github contributions (5)
Yelp/paasta
Oct 2014 - Jan 2023
An open, distributed platform as a service
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:300 reviews, 1404 commits, 620 PRs in 8 years 5 months
Contributions summary:Evan's commits indicate a focus on PaaSTA deployment automation and configuration management. They implemented a new subcommand for working with deployments, and refactored aspects of the auto-rollback and status commands. The commits included changes in service management and configuration of the uwsgi_exporter sidecar container. They are contributing towards improving infrastructure.
mesosdockerplatform-as-a-servicedistributed-systemsmicroservices
voxpupuli/puppet-consul
Jun 2014 - May 2015
A Puppet Module to Manage Consul
Role in this project:DevOps Engineer
DevOps EngineerContributions:10 commits, 5 PRs, 2 pushes in 11 months
Contributions summary:Evan primarily focused on improving the module's init scripts and system integration. They added support for RedHat and Debian init scripts, including the integration of systemd, allowing the Consul agent to be run in different environments. The user also refined the Debian init script, improving its backgrounding, process management, and PID file creation for reliable service operation.
windows-puppet-modulepuppetpuppet-modulelinux-puppet-moduleconsul
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