Aaron Rosenberg
Staff Software Engineer at Gusto
Philadelphia, Pennsylvania, United States
Summary
👤
Senior🎓
Top SchoolAaron 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
15 years of employment as a software developer
Bachelor of Science Computer Engineering, Bachelor of Science Computer Engineering at Tufts University
Japanese, Spanish
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 (192)
pandora10
error-reporting10
ruby10
opal10
stacktrace10
ruby-client10
activerecord10
pty10
rack10
introspection10
backbone10
ruby-on-rails10
google-finance-api10
developer-console10
hanami10
Programming languages (7)
Github contributions (5)
agrberg/secondbase
May 2016 - Dec 2022
Contributions:5 pushes, 2 branches in 6 years 8 months
ruby-on-railsrailsrubyseamlessdatabase
agrberg/benchmarks
Feb 2017 - Jan 2025
Contributions:50 pushes, 1 branch in 8 years 1 month
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.