Yuki Nishijima
Application Developer
Tokyo, Japan
Summary
🤩
RockstarYuki Nishijima is an Application Developer based in Tokyo with 15 years of experience specializing in Ruby and Rails ecosystems. He is a hands-on contributor to high-profile open-source projects including ruby/ruby, rails/rails, and rails/jbuilder, where he has improved performance, caching, and error-suggestion tooling. His work spans back-end core language and framework improvements as well as front-end and iOS UI contributions for Artsy, demonstrating full‑stack versatility. Known for pragmatic bug fixes, test-driven enhancements, and thoughtful refactors, he also brings security-minded backend experience such as IP whitelisting and robust CI integrations. A lesser-known strength is his applied knowledge of string-matching algorithms (Levenshtein and Jaro-Winkler) used to improve developer-facing error messages in did_you_mean.
15 years of coding experience
Stackoverflow
1,802reputation
47kreached
8answers
3questions
Github Skills (50)
json10
ruby-rails10
programming-language10
javascript10
ios10
react-native10
apidoc10
artoo10
testing10
app-framework10
typescript10
rails10
ui-design10
ruby10
actionpack10
Programming languages (10)
Github contributions (5)
ruby/did_you_mean
Jan 2014 - Jan 2023
The gem that has been saving people from typos since 2014
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:29 releases, 2 reviews, 750 commits in 9 years
Contributions summary:Yuki implemented and tested a 'did you mean?' feature to suggest method and class names when encountering related errors. They developed extensions for NameError and NoMethodError, incorporating Levenshtein and Jaro-Winkler distance calculations to provide accurate suggestions. Additionally, the user wrote several unit tests to verify the functionality of the implemented suggestions for both method and variable name errors.
spell-checkrubyspelling-checkertypotypos
kaminari/kaminari
Aug 2011 - Dec 2021
⚡ A Scope & Engine based, clean, powerful, customizable and sophisticated paginator for Ruby webapps
Role in this project:Back-end Developer
Back-end DeveloperContributions:11 releases, 1 review, 392 commits in 10 years 5 months
Contributions summary:Yuki primarily contributed to implementing and improving the pagination functionality of the Kaminari library. They focused on enabling pagination for embedded documents in Mongoid and addressed related issues. Furthermore, they made significant changes to support next/previous page methods and the `out_of_range?` method, enhancing the overall user experience. The user also fixed a bug in `PaginatableArray`'s `total_pages` method and addressed issues to improve the library's performance.
ruby-on-railsspreerubyonrailskaminaripagination
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.