Leland Clemmons
Senior Software Engineer at DoubleVerify
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolLeland Clemmons is a Senior Software Engineer in New York with 11 years of experience building high-performance, accessible front-end systems and design libraries. He’s shipped production design systems and component libraries (notably MILO at Justworks) and built CI/CD tooling that automated publishing, changelogs, and type/perf checks. Leland has led cross-team forums and functional groups to drive adoption, mentor engineers, and elevate frontend best practices across organizations. His hands-on background spans eCommerce PWAs, performance wins (major TTI and CLS improvements), and strong typing and testing with React, TypeScript, Jest, and GraphQL. Colleagues know him as a pragmatic teacher—he lives the maxim “when one teaches, two learn”—who turns complex systems into accessible, well-tested interfaces.
11 years of coding experience
9 years of employment as a software developer
Computer Science, Computer Science at Point Loma Nazarene University
English
Stackoverflow
2,029reputation
529kreached
50answers
4questions
php
top-5%
homebrew
top-5%
macos
top-5%
Github Skills (200)
multiselect10
visual-studio10
azerothcore10
screensaver10
affiliates10
shortcuts10
php10
editor10
pdf-files10
microsoft10
ecommerce10
macos-big-sur10
adobe10
keyboard-shortcuts10
survival10
Programming languages (21)
Github contributions (5)
Leland/UnwiseConnect
Jul 2017 - Feb 2018
Contributions:6 PRs, 29 pushes, 23 branches in 7 months
Leland/lelandclemmons
Sep 2021 - Mar 2025
Personal Site
Contributions:6 pushes, 2 branches in 3 years 6 months
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