Aaron Rosenberg
Software Engineer at Gusto, Inc.
Philadelphia, Pennsylvania, United States
Summary
👤
SeniorAaron Rosenberg is a self-taught staff software engineer and engineering manager with 15 years of experience building and shipping full-stack web applications, currently contributing to product efforts at Gusto. He combines deep hands-on expertise in Ruby on Rails, JavaScript, APIs, automated testing and refactoring with a proven track record of scaling teams and mentoring engineers from junior to lead roles. As a former CTO and co-founder, he balances product-minded technical decision-making with pragmatic tradeoffs to meet deadlines and reduce risk. Aaron is an active technical communicator—his Stack Overflow writing and GitHub README showcase thoughtful problem-solving and open-source engagement beyond day-to-day delivery. Based in Philadelphia, he excels at rapidly adding server- and front-end value while improving developer efficiency and long-term maintainability.
15 years of coding experience
Stackoverflow
13,689reputation
1.5mreached
60answers
74questions
mysql
top-5%
activerecord
top-1%
redis
top-5%
database-design
top-5%
ruby-on-rails
top-1%
indexing
top-5%
Github Skills (162)
pandora10
error-reporting10
ruby10
stacktrace10
ruby-client10
webserver10
activerecord10
rack10
introspection10
backbone10
ruby-on-rails10
google-finance-api10
javascript10
developer-console10
yahoo-finance-api10
Programming languages (9)
Github contributions (5)
agrberg/secondbase
May 2016 - Dec 2022
Contributions:5 pushes, 2 branches in 6 years 8 months
ruby-on-railsrailsrubyseamlessdatabase
agrberg/array_proc
Sep 2020 - Feb 2026
Turn an array into an array of procs to be called on an object
Contributions:6 PRs, 15 pushes, 8 branches in 5 years 6 months
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