Ben Cullen-kerney
Staff Engineer II at Etsy
Portland, Oregon Metropolitan Area United States
Summary
👤
Senior🎓
Top SchoolBen Cullen-kerney is a Staff Engineer II based in Portland with 17 years of experience building reliable, business-impacting systems across ecommerce and logistics. He has led cross-functional teams at Stitch Fix and Etsy, translating product and data science partnerships into measurable improvements in onboarding conversion and network/transportation efficiency. Known for pragmatic leadership, Ben pairs hands-on engineering and test automation expertise—evidenced by contributions to the ruby/spec test suite—with strategic platform thinking to reduce cost and improve customer experience. He mentors engineers, fosters collaborative decision-making, and opts for kindness and respect as core engineering practices. Beyond product work, he has a track record of improving developer workflows and operational rigor at both startup and enterprise scale.
17 years of coding experience
17 years of employment as a software developer
Bachelor of Arts - BA, Bachelor of Arts - BA at California State University-Chicono degree, Law, no degree, Law at Lewis & Clark Law SchoolParadise High School
Github Skills (4)
mspec10
test-suite10
test-automation10
ruby10
Programming languages (9)
Github contributions (5)
ruby/spec
Nov 2012 - Mar 2013
The Ruby Spec Suite aka ruby/spec
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:5 commits in 4 months
Contributions summary:Ben primarily focused on improving the testing suite for the `ruby/spec` repository. Their contributions included modifying and clarifying test specifications for core Ruby methods like `Array#sample` and `Array#choice`, ensuring that tests accurately reflect the expected behavior and test the intended features. They added new test cases to cover various scenarios, including edge cases and distributions of results, enhancing the overall test coverage and robustness of the Ruby specifications. Their work also involved fixing minor textual inconsistencies in documentation-related files.
rubylanguage-specsmspecrubyspec
bak/keyboard_battle
Oct 2011 - Dec 2012
Contributions:12 commits in 1 year 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.