Joseph Pecoraro
Software Engineer at Apple
San Jose, California, United States
Summary
👤
Senior🎓
Top SchoolJoseph Pecoraro is a seasoned software engineer with 18 years of experience building web and system-level software, currently focusing on virtualization at Apple after a decade working on Safari/WebKit, Web Inspector, and system performance. He combines deep front-end expertise—demonstrated by optimization contributions to the popular CodeMirror editor—with hands-on full-stack work like implementing DOM storage adapters for Lawnchair, showing a knack for both performance tuning and pragmatic compatibility fixes. Comfortable across databases, server-side languages, web servers, and client-side tooling, he prefers learning through real projects and choosing the right tool for the job. Based in San Jose, he pairs enterprise-scale product experience with open-source contributions that improve developer-facing tools and runtime behavior.
18 years of coding experience
11 years of employment as a software developer
MS Computer Science, MS Computer Science at Rochester Institute of Technology
Stackoverflow
2,858reputation
437kreached
36answers
2questions
Github Skills (20)
unit-testing10
javascript10
adaptor10
performance-optimization10
adapter10
web-storage10
codemirror10
algorithm9
code-optimization9
algorithms9
css9
optimisation9
numerical-optimization9
optimization9
php6
Programming languages (11)
Github contributions (5)
codemirror/codemirror5
Mar 2013 - Nov 2015
In-browser code editor (version 5, legacy)
Role in this project:
Front-end Developer
Front-end DeveloperContributions:8 commits, 2 PRs, 14 comments in 2 years 8 months
Contributions summary:Joseph primarily contributed to improving the performance and functionality of the code editor's string stream processing. Their work involved optimizing the `StringStream.prototype.column` method to enhance performance with long lines by caching column values. Additionally, the user addressed performance bottlenecks in the `match` method, particularly when handling case-insensitive comparisons. Further contributions included adding functionality for the CSS and Javascript modes.
code-editor
brianleroux/lawnchair
Nov 2009 - Nov 2009
A lightweight clientside JSON document store,
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:7 commits in 1 day
Contributions summary:Joseph primarily focused on the implementation and testing of a new DOM storage adaptor for the Lawnchair library. Their work included adding the core adaptor functionality, creating tests to ensure functionality, and ensuring compatibility with sessionStorage. They also made several style and naming convention improvements throughout the codebase for consistency. Furthermore, they addressed a bug by making the nuke function chainable.
clientsidejson-document
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