Patrick Mcgrath
Lead Software Engineer at Klaviyo
Boston, Massachusetts, United States
Summary
👤
Senior🎓
Top SchoolPatrick Mcgrath is a Lead Software Engineer based in Boston with a decade of experience building data platforms, REST APIs, and reliable distributed systems at Klaviyo. He combines deep interests in algorithms, runtime analysis, and efficient programming with practical expertise in data engineering, ETL orchestration, and A/B testing to drive measurable product improvements. Patrick’s background spans hands-on roles from full-stack and data engineering to DevOps, giving him a strong end-to-end view of production reliability, networking, and load balancing. He has steadily advanced at Klaviyo from engineer to lead, shaping group-level data platform work and operational practices. Known for balancing performance-focused engineering with pragmatic delivery, he often surfaces low-level optimizations that yield outsized impact on throughput and cost. A Magna Cum Laude CS graduate from Khoury College, he brings entrepreneurial instincts from earlier startup and founder experience to large-scale platform challenges.
10 years of coding experience
8 years of employment as a software developer
High School, High School at Weston High SchoolBachelor’s Degree, Computer Science, Magna Cum Laude, Bachelor’s Degree, Computer Science, Magna Cum Laude at Khoury College of Computer SciencesHigh School, High School at American School of Madrid
English, French, Spanish
Github Skills (60)
jquery-plugin10
markdown10
cms10
mdc10
nuxt10
vue10
nuxt-module10
google-tag-manager10
database-connector9
jquery9
heroku9
buildpack9
rack8
formatting8
ruby8
Programming languages (8)
Github contributions (5)
PatrickMcGrath29/quotes
Dec 2022 - Jan 2025
Contributions:5 PRs, 417 pushes, 9 branches in 2 years 1 month
PatrickMcGrath29/thegoodland
Feb 2024 - Mar 2025
Contributions:27 PRs, 570 pushes, 18 branches in 1 year 1 month
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