Guillermo Suarez
Software Engineer at Stocktwits
Vancouver, British Columbia, Canada
Summary
🤩
Rockstar🎓
Top SchoolGuillermo Suarez is a software engineer with 16 years of experience building backend and full-stack tooling, currently at Stocktwits in Vancouver. A long-time Rails core contributor, he has shipped fixes and features across Rails internals (ActiveRecord, ActionView, Railties) and maintained well-known libraries like rails-observers, webpacker, sprockets and sass-rails. He also contributes to language-level projects such as Elixir and Rubinius, showing strong grounding in both object-oriented and functional runtimes. His work spans performance-minded libraries (fast_jsonapi) and developer tooling (fakeredis), reflecting a focus on reliable developer experiences and production compatibility. Having held senior engineering roles at Treasure Data, Cookpad and others, he pairs pragmatic product delivery with deep open-source stewardship. An interesting detail: beyond typical app work he’s fixed low-level language and standard-library behaviors, evidencing comfort changing the foundations developers rely on.
16 years of coding experience
13 years of employment as a software developer
Bachelor's degree, Computer Engineering, Bachelor's degree, Computer Engineering at Universidad del Norte
Stackoverflow
61reputation
2kreached
3answers
0questions
Github Skills (54)
dependency-management10
activemodelserializers10
json10
ruby-rails10
application-framework10
debug10
programming-language10
maintenance10
javascript10
npm10
serializer10
redis10
api-design10
elixir10
rubygems10
Programming languages (14)
Github contributions (5)
guilleiguaran/fakeredis
Feb 2011 - Aug 2020
In-memory driver for redis-rb, useful for development and test environments
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 review, 207 commits, 71 PRs in 9 years 7 months
Contributions summary:Guillermo primarily contributed to the implementation and testing of string-related commands for a Redis-like in-memory data store. Their work involved adding functionality for string manipulation methods such as `set`, `get`, `append`, `strlen`, `setrange`, and related commands. The user also wrote comprehensive specifications, ensuring the correctness of the implemented string operations within the `fakeredis` project. Furthermore, the user implemented hash and list commands, extending the functionality of the data store.
memoryin-memoryredisenvironments
rails/sass-rails
Mar 2012 - Apr 2019
Ruby on Rails stylesheet engine for Sass
Role in this project:Back-end Developer
Back-end DeveloperContributions:20 commits, 13 PRs, 10 pushes in 7 years 2 months
Contributions summary:Guillermo primarily focused on updating and maintaining the `sass-rails` library. They contributed by upgrading dependencies like `sprockets-rails`, bumping the version of the gem, and refactoring the code to wrap the library around `sassc-rails`. They also modified the code to compress CSS and provided deprecation warnings. These changes indicate a focus on library maintenance and improvements.
ruby-on-railsstylesheetsassrailscss
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