Keenan Brock
Software Developer at Stealth
Westford, Massachusetts, United States
Summary
🤩
Rockstar🎓
Top SchoolKeenan Brock is a pragmatic engineering leader with 17 years of hands-on experience designing and scaling backend systems and data platforms across FinTech, Healthcare, and Cloud. He excels at turning slow, brittle architectures into efficient, maintainable systems—reducing multi-minute queries to seconds, eliminating widespread N+1s, and shrinking batch payloads from megabytes to bytes. A long-time Rubyist and active open-source contributor (including notable work on Rails, RubyGems.org, and performance tooling like rack-mini-profiler and mutant), he blends deep SQL and performance tuning with pragmatic developer tooling and deployment automation. Comfortable writing production code or driving requirements, he prioritizes reducing team friction so engineering organizations can sustainably ship high-quality software. Based in Westford, MA, he’s equally likely to mentor a colleague as to debug a tricky DB plan—he also admits his happiest code is Ruby written on evenings with his family.
17 years of coding experience
29 years of employment as a software developer
Bachelor of Science - BS, Computer Engineering, Bachelor of Science - BS, Computer Engineering at Lehigh UniversityKent School
English
Stackoverflow
987reputation
768kreached
27answers
0questions
Github Skills (60)
database-migrations10
application-framework10
debugging10
ruby-rails10
debug10
authorizations10
benchmark10
lib10
postgresql10
back-end-development10
qmk-firmware10
rubygems10
testing10
firmware10
associations10
Programming languages (22)
Github contributions (5)
stefankroes/ancestry
Dec 2015 - Jan 2023
Organise ActiveRecord model into a tree structure
Role in this project:
Back-end Developer
Back-end DeveloperContributions:17 reviews, 324 commits, 454 PRs in 7 years 2 months
Contributions summary:Keenan primarily contributed to the `ancestry` Ruby gem, focusing on improving the core functionality. Their work included removing deprecated code, fixing test-related issues, and optimizing performance. The user also added new features, such as the `path_of` scope, and implemented enhancements related to database interactions for improved efficiency. These changes indicate a focus on maintaining and evolving the gem's core features.
railsrubyorganiseactiverecord-modeltree-structure
active-hash/active_hash
Apr 2012 - Jan 2023
A readonly ActiveRecord-esque base class that lets you use a hash, a Yaml file or a custom file as the datasource
Role in this project:Back-end Developer
Back-end DeveloperContributions:2 releases, 92 reviews, 58 commits in 10 years 11 months
Contributions summary:Keenan contributed significantly to the `active_hash` library, focusing on enhancing its association capabilities. They implemented `has_one` and `belongs_to` associations, mirroring ActiveRecord's interface. Furthermore, the user added support for multiple keys in the `where` clause and addressed compatibility issues with newer versions of the Psych YAML library. Several commits involved refactoring to adhere to RSpec's best practices and updating dependencies.
hashidshashrailsrubyreadonly
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