Justin Rainbow
Chief Technology Officer at Supurb
Tempe, Arizona, United States
Summary
🤩
Rockstar🎓
Top SchoolJustin Rainbow is a seasoned technology leader and CTO with 19 years of experience building high-availability, data-driven web platforms and content monetization systems. Currently leading engineering at Supurb, he designs and ships scalable software for online grocery delivery while maintaining a hands-on approach to architecture, devops, and product. His background spans founding Grateful Ventures and transforming large publishing properties like SheKnows and FoodBlogs.com into auto-scaling, distributed services and WordPress families. An active backend engineer, he has contributed to notable PHP open-source projects including Composer and a JSON Schema implementation, where he improved validation, format constraints, and performance-sensitive dependency handling. Based in Tempe, Arizona, he combines entrepreneurial instincts with deep systems engineering expertise to drive measurable business outcomes.
19 years of coding experience
12 years of employment as a software developer
The University of Arizona
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (22)
dependency-management10
caching10
validations10
session-management10
json-schema10
redis10
doctrine10
command-line-interface10
validation10
predis10
php10
symfony10
command-line10
symfony-ux10
package-manager10
Programming languages (4)
Github contributions (5)
jsonrainbow/json-schema
Dec 2011 - Mar 2015
PHP implementation of JSON schema. Fork of the http://jsonschemaphpv.sourceforge.net/ project
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 release, 90 commits, 1 PR in 3 years 4 months
Contributions summary:Justin contributed to the project by adding a LICENSE file and initial documentation setup. They made code modifications to the core JSON schema validation logic, including fixing tests to handle empty, null, and false values. The user implemented the "format" constraint, allowing for validation of data formats like dates, times, and email addresses.
json-schemaphpjsonsourceforgejsonschema
snc/SncRedisBundle
Nov 2010 - Apr 2012
A Redis bundle for Symfony supporting Predis and PhpRedis
Role in this project:Back-end Developer
Back-end DeveloperContributions:12 commits in 1 year 5 months
Contributions summary:Justin primarily contributed to the Redis bundle for Symfony, focusing on session storage and Doctrine cache integration. Their work involved refactoring the RedisSessionStorage to use Predis's logging connection and the correct Expires command for caching. They also added documentation and formatted code to meet Symfony2 standards. Further contributions involved adding a Redis data collector for the Symfony profiler and adjusting the session handler to extend NativeSessionHandler.
phpredisredisbundlephpsymfony-bundle
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