Kevin Newton
Staff Production Engineer at Shopify
United States
Summary
🤩
Rockstar🎓
Top SchoolKevin Newton is a Staff Production Engineer with 12 years of experience building and operating reliable backend systems, currently helping scale merchant-facing services at Shopify. He brings deep Ruby and Rails expertise—demonstrated by contributions to core projects like ruby/ruby, rails/rails, and rubygems—alongside practical experience in SDKs, platform APIs, and DevOps from roles at Localytics and DrugDev. Kevin blends hands-on performance tuning, language-level changes (regex, string handling, parsers) and test-first improvements that reduce developer friction and runtime errors. As a former CTO, he pairs technical ownership with product sensibility and mentoring experience across fast-moving startups and large teams. An unusual strength is his fluency across the full lifecycle—from core language internals to customer-facing SDKs and CLI UX—making him effective at bridging low-level optimization and high-level product outcomes.
12 years of coding experience
7 years of employment as a software developer
Bachelor of Science, Computer Science and Music, 3.71, Bachelor of Science, Computer Science and Music, 3.71 at The College of William and MaryThomas Jefferson High School for Science and Technology
French
Github Skills (29)
unit-testing10
ruby-rails10
string-parsing10
rubygems10
testing10
command-line-interface10
rails10
data-structure10
ruby10
regular-expression10
lexical-analysis10
exception-handling10
parsing10
spellchecking10
command-line10
Programming languages (15)
Github contributions (5)
ruby/prism
Aug 2022 - Mar 2023
Prism Ruby parser
Role in this project:
Back-end Developer
Back-end DeveloperContributions:34 releases, 1093 reviews, 1058 commits in 7 months
Contributions summary:Kevin primarily worked on the Ruby Prism parser, making significant contributions to its functionality and correctness. Their commits focused on implementing new functionalities like supporting more features for regular expressions, enabling the parsing of different number types, including hexadecimal values, and incorporating code to handle various aspects of string literals like escapes and interpolation. They also implemented a mechanism to identify and utilize named capture groups within regular expressions.
yet-anotherrubyparser
ruby/ruby
Jun 2017 - Mar 2025
The Ruby Programming Language
Role in this project:Back-end Developer
Back-end DeveloperContributions:325 reviews, 640 PRs, 308 pushes in 7 years 10 months
Contributions summary:Kevin primarily worked on the Prism codebase, making changes focused on improving core Ruby language functionality and performance. Their contributions involved implementing optimizations, debugging and fixing bugs, and refactoring internal workings. The user modified the regular expression engine, improved string handling and made enhancements to internal data structures. The user also updated the codebase to support new language features.
object-orientedruby-languageprogramming-languagerubyc
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