Greyson Lalonde
Senior Software Engineer at CrewAI
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolGreyson Lalonde is a Senior Software Engineer with 16 years of experience building pragmatic, scalable systems and currently driving engineering efforts at CrewAI from Ohio. He has blended hands-on backend work and leadership across startups and public health, including architecting a deterministic, distributed workflow platform for health ML at Health Universe and serving as CTO at a stealth startup. Greyson’s background in data science and public-health informatics informed contributions to national reporting (CDC DCIPHER) and a GISAID submission tool, showing a rare mix of production software and domain-specific tooling. An active open-source contributor, he improved PocketMine-MP’s console UX and core ticking behavior by integrating libedit and refining the build process—an example of improving developer ergonomics as well as runtime stability. He holds advanced computer science training from the University of Pennsylvania and brings a pragmatic, research-informed approach to shipping reliable systems.
16 years of coding experience
5 years of employment as a software developer
Semester intensive Arabic, Semester intensive Arabic at Qasid Arabic InstituteSummer intensive Russian, Summer intensive Russian at Arizona State UniversityBachelor of Science - BS, Bachelor of Science - BS at Western Michigan UniversityMaster's degree* Computer Science, Master's degree* Computer Science at University of Pennsylvania
Arabic, Russian, English
Github Skills (11)
minecraft10
sh10
php10
script10
develop10
readline10
linux-shell10
shell10
server10
build-automation9
console9
Programming languages (9)
Github contributions (5)
PocketMine/PocketMine-MP
May 2013 - May 2013
Legacy PocketMine-MP repository. Head to https://github.com/pmmp for up to date software.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 commits in 1 day
Contributions summary:Greyson contributed to the PocketMine-MP project by implementing features related to console input using the libedit library. They integrated libedit for enhanced "readline" support, enabling command history and improved console usability. The user also modified the build process to optionally disable libedit if compilation failed and made modifications to the internal ticking mechanism, as well as general bugfixes. Overall, their work focused on improving the server's core functionality and development environment.
pocketmine-mppmmppocketminephphead
greyson/gimp-android
Jun 2012 - May 2015
Contributions:22 commits, 1 push, 2 comments in 2 years 11 months
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