Andrew Kerrigan
Principal Software Engineer at Erlang Solutions
United States
Summary
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Rockstar🎓
Top SchoolAndrew Kerrigan is a Principal Software Engineer with 14 years of experience building and operating large-scale distributed systems, specializing in Golang, Erlang/OTP, Elixir and systems-level languages. He has driven infrastructure and service-discovery work at Mesosphere (contributing to notable projects like mesos-dns and marathon-lb) and led engineering efforts across startups and enterprise teams focused on networking, containers, and data pipelines. Known for combining deep systems architecture and performance benchmarking skills with hands-on DevOps improvements, he routinely surfaces practical fixes—from CI optimization to IPv6 and API compatibility updates—that keep production services robust. A curiosity-driven engineer, he thrives on solving hard problems, mentoring teams, and contributing to open-source tooling that serves millions of users.
14 years of coding experience
18 years of employment as a software developer
Bachelor of Science (B.S.) Computer Science, Bachelor of Science (B.S.) Computer Science at West Virginia University
Stackoverflow
161reputation
29kreached
0answers
2questions
Github Skills (17)
mesos10
docker10
python10
testing10
dockers10
cicd10
go10
dns10
haproxy10
devops10
ipv69
apidoc8
service-discovery8
api8
automation7
Programming languages (17)
Github contributions (5)
d2iq-archive/mesos-dns
Aug 2016 - Feb 2018
DNS-based service discovery for Mesos.
Role in this project:
DevOps Engineer & Back-end Developer
DevOps Engineer & Back-end DeveloperContributions:6 commits, 9 PRs, 35 pushes in 1 year 6 months
Contributions summary:Andrew primarily focused on improving the build and testing infrastructure by updating CI/CD configuration files (circle.yml, Jenkinsfile) and optimizing the use of gometalinter. They also implemented changes related to service discovery, port validation, and IPv6 support within the codebase. Additionally, the user refactored code, addressed bugs and addressed the renaming of an IAM secret.
dnsmesosservice-discoverydcos-networking-guilddcos
d2iq-archive/marathon-lb
Jul 2017 - Apr 2018
Marathon-lb is a service discovery & load balancing tool for DC/OS
Role in this project:Backend & DevOps Engineer
Backend & DevOps EngineerContributions:6 releases, 23 commits, 24 PRs in 9 months
Contributions summary:Andrew primarily contributed to the backend functionality and operational aspects of the `marathon-lb` project. They updated the code to align with Marathon 1.5 API changes, demonstrating an understanding of the underlying platform. Furthermore, the user implemented improvements to the reload process, including adding syslog support and adjusting retry mechanisms. They also made adjustments to address reconnect logging and timing.
load-balancingservice-discoveryload-balancermarathon-lbhaproxy
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