Jeffrey Chupp is an engineering manager with 16 years of experience building and scaling product-focused teams and systems, currently leading engineering at Miro. He combines hands-on backend expertise—contributing to open-source Ruby/Rails projects like the Split A/B testing framework—with a talent for growing teams and shipping product improvements, having guided multiple startups through acquisition. Jeffrey emphasizes automated testing, thoughtful commit hygiene, and continuous learning, and has a track record of smoothing integrations and session management in complex web apps. He’s equally comfortable as a founding engineer and as a staff-level technical manager, having led engineering at Dribbble, Wistia, and HubSpot. Based in Rome, Georgia, he balances technical depth with people-first leadership and an unusual attention to polish in developer workflows. Outside work he’s a polyglot and three-time dad—details that hint at his patience, adaptability, and knack for pleasing stakeholders.
:chart_with_upwards_trend: The Rack Based A/B testing framework
Role in this project:
Back-end Developer
Contributions:10 commits, 1 PR, 5 comments in 6 years 5 months
Contributions summary:Jeffrey primarily worked on improving the Rails integration and session management within the A/B testing framework. Their commits included refactoring code in `lib/multivariate/helper.rb`, `lib/multivariate/experiment.rb`, and `spec/helper_spec.rb` to enhance functionality and address edge cases, as well as implementing session clearing after experiment completion. The user also addressed the distribution of experiments and added support for specifying winning alternatives.
Contributions:12 reviews, 70 PRs, 129 pushes in 2 years 7 months
reactprefabproviderreact-hookshooks
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.