Levi Morrison
Senior Software Engineer at Datadog
Smithfield, Utah, United States
Summary
🤩
Rockstar🎓
Top SchoolLevi Morrison is a senior software engineer with 14 years of experience building developer tools and high-performance systems, currently at Datadog where he rewrote the PHP profiler in Rust and authored a reusable Rust library for profilers. He’s a pragmatic contributor to PHP’s ecosystem—working on amphp/http-server routing, the php.net website, and low-level C work in Datadog’s dd-trace-php extension to fix memory leaks and boost performance. Levi’s background spans HPC operations and web engineering at BYU, where he optimized cluster workflows and even contributed a SLURM priority plug-in used for fairshare scheduling. Passionate about enabling developers, he focuses on tooling and integrations that let engineers spend more time building and less time fighting their infrastructure.
14 years of coding experience
11 years of employment as a software developer
Web Development Specialist, Web Development Specialist at Eastern Idaho Technical CollegeBachelor of Science - BS (unfinished) Computer Science, Bachelor of Science - BS (unfinished) Computer Science at Brigham Young University
Stackoverflow
19,264reputation
5.3mreached
260answers
23questions
mysql
top-1%
javascript
top-5%
jquery
top-5%
css
top-5%
php
top-1%
terminology
top-5%
Github Skills (43)
javascript10
maintenance10
web-application10
php-internals10
mysql10
async10
css10
http10
c1110
c1710
http-server10
php10
php-extension10
html10
multidimensional-arrays9
Programming languages (21)
Github contributions (5)
php/web-php
Feb 2012 - Sep 2022
The www.php.net site
Role in this project:
Back-end & Front-end Developer
Back-end & Front-end DeveloperContributions:7 reviews, 300 commits, 3 PRs in 10 years 7 months
Contributions summary:Levi primarily contributed to the PHP.net website, making various improvements to its styling and functionality. They fixed bugs related to parameter scrolling in the documentation, refined the display of the news section, updated the website layout with HTML5 elements and adjusted the website design by modifying colors, table styling, and code snippet rendering. The user also added support for the SVG logo and improved the performance and visuals of the homepage and other key sections of the site.
phpphp7
DataDog/dd-trace-php
Jul 2019 - Jan 2023
Datadog PHP Clients
Role in this project:Back-end Developer
Back-end DeveloperContributions:14 releases, 933 reviews, 782 commits in 3 years 6 months
Contributions summary:Levi made contributions focused on low-level code modifications, particularly within the C source code of the PHP extension, dd-trace-php. Their work included implementing performance optimizations by leveraging existing Zend Engine functionality and refactoring code to improve maintainability. They also addressed memory leaks and corrected potential issues related to PHP's execution environment. In addition, the user added and updated documentation for the project.
php-clientapmphptracinglogging
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