Andy Rusterholz
Senior Software Engineer at ezCater
Longmont, Colorado, United States
Summary
👤
Senior🎓
Top SchoolAndy Rusterholz is a senior back-end engineer with 11+ years building scalable, high-performance APIs, currently focused on Ruby and Elixir at ezCater. He’s delivered web applications across the spectrum—from multinational enterprise systems to nimble internal tools for startups—bringing pragmatic solutions that balance performance, reliability, and developer productivity. Comfortable across the full stack and infrastructure, Andy tackles issues from client-side bugs to hardware-level failures, which lets him diagnose and fix problems others miss. His career includes sustained API work at Blinker App and operational experience dating back to systems administration and hands-on roles at Apple and Anime Central. Based in Longmont, Colorado, he combines production-grade engineering with a troubleshooting mindset that values both automation and practical, hardware-aware fixes.
11 years of coding experience
12 years of employment as a software developer
BS, Computer Engineering, BS, Computer Engineering at University of Wisconsin-Madison
Github Skills (170)
devise10
authentication10
ruby10
activeadmin10
introspection10
sublime-text10
reflection10
rails10
pry10
warden10
sublime10
developer-console9
bpmn9
grpc9
spree9
Programming languages (9)
Github contributions (5)
BlinkerGit/pgcrypto
Jul 2015 - Oct 2017
A transparent ActiveRecord::Base extension pgcrypto encrypted columns
Contributions:5 pushes, 5 tags, 2 comments in 2 years 3 months
transparentrailsrubyencryptedcolumns
rusterholz/parametrization
Jul 2015 - May 2019
Simple, powerful, and flexible parameter filtering for Rails.
Contributions:2 PRs, 9 pushes, 2 branches in 3 years 10 months
ruby-on-railsrailsrubyparameterfiltering
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