Alex St Laurent
Senior Software Engineer at Capital One
Sturbridge, Massachusetts, United States
Summary
🤩
Rockstar🎓
Top SchoolAlex St Laurent is a Senior Software Engineer with 11 years of experience building performant back-end systems and user-facing applications across finance, health tech, and messaging platforms. Currently at Capital One, he blends C++ performance work and TypeScript/Node.js service ownership from prior roles at Bloomberg with React and Python REST expertise honed at Oscar Health and Attentive. He has a strong foundation in algorithms and discrete math from Brown University and a history of teaching and research that surfaces in careful system design and clear documentation. An active contributor to open-source tooling, he improved benchmarking, testing and profiling for the Pyret language—showing a knack for making developer workflows measurable and reliable. Based in Sturbridge, MA, he pairs thoughtful data interventions (SQL) with pragmatic feature rollouts like LaunchDarkly migrations to keep client-facing systems resilient.
11 years of coding experience
7 years of employment as a software developer
Bachelor of Science (BSc), Mathematics and Computer Science, Bachelor of Science (BSc), Mathematics and Computer Science at Brown UniversityTantasqua Regional High School
Github Skills (7)
benchmarking10
benchmark10
javascript10
testing10
automation9
automations9
nodejs9
Programming languages (9)
Github contributions (5)
brownplt/pyret-lang
Jan 2015 - Apr 2017
The Pyret language.
Role in this project:
Back-end Developer & Automation Engineer
Back-end Developer & Automation EngineerContributions:191 commits, 13 PRs, 44 pushes in 2 years 3 months
Contributions summary:Alex primarily worked on the Pyret language's benchmarking tools. Their contributions included modifying the benchmark-pyret file to accept options and a callback, adding a runFile function, and integrating a test framework using jasmine-node. The user also refactored file naming conventions, enhanced the testing framework and integrated the use of the profiler.
pyretcompiler
awstlaur/negsnel
Jun 2015 - Aug 2020
Javascript port of Pat Hooper's program. Runs at http://awstlaur.github.io/negsnel/
Contributions:32 PRs, 52 pushes, 34 branches in 5 years 2 months
dynamical-systemsmathematicsjavascripthooperruns
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