Sam Harrison
Senior Software Engineer at SuperDuper
Dallas, Texas, United States
Summary
🤩
Rockstar🎓
Top SchoolSam Harrison is a Senior Software Engineer based in Dallas with a decade-plus career building scalable, secure systems across startups and large tech firms including Amazon and Twilio. Skilled in Ruby on Rails, Java, Unix, and AWS, he combines hands-on backend engineering with test automation and API design to deliver reliable distributed systems. At Twilio and across many prominent open-source SDKs (Twilio, SendGrid), he improved thread safety, serialization robustness, and cross-language compatibility—work that often touched core client libraries used widely by developers. He thrives in cross-functional teams, shipping user-focused features while advocating for clean, maintainable code and stronger test suites. An MS in Computer Science from UT Dallas underpins his pragmatic approach to architecture and tooling, and his GitHub contributions reveal a knack for subtle but impactful fixes that improve library reliability in multithreaded and cross-language scenarios.
7 years of coding experience
18 years of employment as a software developer
Master of Science (M.S.), Computer Science, Master of Science (M.S.), Computer Science at The University of Texas at Dallas
English
Github Skills (59)
unit-testing10
apim10
api-rest10
javascript10
docker10
tml10
sendgrid10
sendmail10
python10
apidoc10
api-design10
restful-api10
send-email10
testing10
twilio-api10
Programming languages (15)
Github contributions (5)
twilio/twilio-csharp
Mar 2019 - Jan 2023
Twilio C#/.NET Helper Library for .NET6+.
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:67 reviews, 58 commits, 61 PRs in 3 years 11 months
Contributions summary:Sam contributed to the thread safety of async HTTP requests within the Twilio C#/.NET helper library. They implemented a test suite to verify the thread safety, ensuring the library's reliability in multi-threaded environments. Furthermore, the user addressed JSON deserialization issues by handling `null` string enum lists, improving the library's robustness against unexpected data formats. The user also updated the code to handle API redirect responses.
apidotnetphonetwimltwilio
twilio/twilio-php
Mar 2019 - Jan 2023
A PHP library for communicating with the Twilio REST API and generating TwiML.
Role in this project:Back-end Developer
Back-end DeveloperContributions:37 reviews, 65 commits, 95 PRs in 3 years 10 months
Contributions summary:Sam primarily contributed to improving the codebase of the PHP library. They focused on refactoring and improving the documentation, switching from boolean and integer to primitive types in doc tags. Additionally, the user updated TwiML doc types. Furthermore, the user added dollar signs to the property doc tags. These changes indicate a focus on improving code quality and maintainability, as well as updating documentation.
apitwimltwiliophpsms
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