Justin York
Engineering Manager at SmartRent
Pierce City, Missouri, United States
Summary
👤
Senior🎓
Top SchoolJustin York is an engineering manager with 13 years of experience building and scaling web applications, now leading engineering at SmartRent. He combines hands-on expertise across full lifecycle delivery—architecture, implementation, testing, deployment, and monitoring—with measurable operational wins like cutting critical error rates from 65% to 10% and shrinking a high-use table from 39M to 4.5M records. A pragmatic technologist fluent in Elixir, React, Postgres and cloud platforms, he has driven major performance improvements (80–90%) and near-elimination of integration timeouts. Justin also has strong product and startup chops—founding a consultancy that grew to 15 clients and co-founding a startup that became a top partner for FamilySearch—and holds an MBA from BYU’s Marriott School. He contributes to open-source testing tools, improving php-vcr’s reliability across HTTP clients, reflecting a persistent focus on testability and developer experience. Based in Pierce City, Missouri, he blends operational rigor with mentoring and cross-team architecture leadership to deliver customer value predictably.
13 years of coding experience
13 years of employment as a software developer
Master of Business Administration - MBA, Master of Business Administration - MBA at Brigham Young University Marriott School of BusinessBS, Computer Science, BS, Computer Science at Brigham Young University
Spanish
Stackoverflow
245reputation
7kreached
1answer
0questions
Github Skills (18)
json10
serializable10
serializer10
guzzle10
phpunit10
serialization10
deserialization10
php10
api-testing10
test-automation10
unit-testing9
curl9
namespaces8
management8
apidoc8
Programming languages (12)
Github contributions (5)
stoicflame/enunciate
Feb 2013 - May 2016
Build-time enhancement tool for Java-based Web services projects
Role in this project:
Back-end Developer
Back-end DeveloperContributions:21 commits, 3 PRs, 4 comments in 3 years 3 months
Contributions summary:Justin primarily focused on developing a PHP module for the project. Their work involved creating and integrating PHP classes and functions, generating valid syntax, and resolving namespace issues. They also worked on testing by generating the correct json object for PHP serialization and deserialization testing. The user's contributions culminated in working through all tests without errors.
enhancementweb-basedweb-servicesjava11jetty
php-vcr/php-vcr
Jun 2015 - Jun 2015
Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests.
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:11 commits, 2 PRs, 21 comments in 6 days
Contributions summary:Justin primarily focused on improving the test suite for the php-vcr project, which is centered around recording and replaying HTTP interactions for testing. Their contributions involved writing new tests, fixing existing ones, and ensuring compatibility with different versions of Guzzle, a popular HTTP client library. The user also addressed issues related to cURL integration, making changes to the cURL helper and hook classes. This suggests a focus on enhancing the reliability and functionality of the testing framework within the project.
guzzle-testapi-testingtesting-toolssoap-testtest-webservices
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