Jonathan Flat
Software Engineer (Swift Standard Libraries) at Apple
Louisville, Colorado, United States
Summary
🤩
Rockstar🎓
Top SchoolJonathan Flat is a software engineer specializing in Swift standard libraries and systems-level networking, with seven years of experience and a BS in Computer Science and Physics from Stanford. At Apple he has progressed from intern to core contributor on HTTP frameworks and now the Swift standard libraries, focusing on robust URLSession behavior, async APIs, and test automation. He combines low-level systems skills in C/C++/Python/Java with hands-on iOS/Swift development and a strong emphasis on correctness and security (e.g., invalid-header checks and curl-consistent host handling). Based in Louisville, Colorado, he brings academic rigor from materials science research and teaching into production-quality open source work on the widely used swift-corelibs-foundation project.
6 years of coding experience
1 year of employment as a software developer
Bachelor of Science - BS Computer Science Physics, Bachelor of Science - BS Computer Science Physics at Stanford University
Github Skills (10)
unit-testing10
urlsession10
swift10
networking10
libcurl9
http8
async7
asynchronous7
websocket7
foundation6
Programming languages (6)
Github contributions (5)
swiftlang/swift-corelibs-foundation
Jan 2023 - Jan 2023
The Foundation Project, providing core utilities, internationalization, and OS independence
Role in this project:
Back-end Developer & QA Engineer / Test Automation Engineer
Back-end Developer & QA Engineer / Test Automation EngineerContributions:26 reviews, 3 commits, 29 PRs in 1 day
Contributions summary:Jonathan contributed to the core foundation networking libraries, primarily focusing on improving the `URLSession` implementation. Their work included adding asynchronous methods to `URLSession`, ensuring consistency between `URLSession` and `curl` regarding host handling. Furthermore, the user addressed potential issues and vulnerabilities by implementing checks for invalid header values. The user also wrote unit tests.
tvostranslationinternationalizationfoundationindependence
jrflat/swift-foundation
Feb 2024 - Mar 2025
The Foundation project
Contributions:67 pushes, 67 branches in 1 year 1 month
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