Zack Mulgrew
Staff Software Engineer at LinkedIn
Sunnyvale, California, United States
Summary
🤩
Rockstar🎓
Top SchoolZack Mulgrew is a Staff Software Engineer based in Sunnyvale with 15+ years of hands-on experience delivering reliable, customer-facing systems at LinkedIn, where he currently contributes to Service Infrastructure and the gRPC team. He has a strong full-stack background—from pioneering client-side i18n runtimes and internationalized formatting to redesigning backend services and porting critical subsystems from Scala to Java. As a former Care team Tech Lead he mentored engineers, led product redesigns like In-Product Help, and chaired data model reviews, blending technical leadership with pragmatic system design. An active open-source contributor, Zack has improved front-end runtimes (Glimmer/Ember) and back-end C++ entity systems, showing a rare mix of UI safety fixes and low-level system refactors. Colleagues credit him for fostering team cultures that prioritize reliability, clear technical communication, and measurable engineering craftsmanship. He also has a soft spot for robotics—an offbeat interest that informs his curiosity about systems interaction and automation.
15 years of coding experience
9 years of employment as a software developer
Amador Valley High School
English, Japanese
Github Skills (15)
html10
emberjs10
typescript10
javascript10
c-language10
typescripts10
front-end-development10
glimmerjs10
cprogramming-language10
typescript-types10
gjs10
testing10
ember9
software-design9
javascript-framework9
Programming languages (6)
Github contributions (5)
alecthomas/entityx
Feb 2016 - Feb 2016
EntityX - A fast, type-safe C++ Entity-Component system
Role in this project:
Back-end Developer
Back-end DeveloperContributions:12 commits, 3 PRs, 22 comments in 26 days
Contributions summary:Zack focused on modifying the entity-component system's core features by introducing new tests and improving existing ones. Contributions included adding tests to verify the component removal events when destroying entities. The user also refactored code, splitting entity and component handles into separate header files, and allowing entity cloning. These changes indicate improvements to core functionality and overall system design.
cppentity-component-systemtypesafe
emberjs/ember.js
Mar 2016 - Aug 2016
Ember.js - A JavaScript framework for creating ambitious web applications
Role in this project:Front-end Developer
Front-end DeveloperContributions:16 commits, 17 PRs, 60 comments in 4 months
Contributions summary:Zack primarily contributed to the Ember.js framework, focusing on testing and component development. Their commits include porting and updating test cases for custom helpers, specifically for Glimmer 2. The user also addressed HTML escaping in curly components, enhancing their robustness. Furthermore, the user made updates to the Glimmer version and the action modifier.
emberjsjavascript-frameworkemberjavascript
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