James Byatt
Head Of Software, United States
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolJames Byatt is a Head of Software based in New York with 15 years of experience leading engineering teams and delivering high-performance backend systems at LMAX Group. Trained as a mathematician at Durham University, he brings a data-driven, analytical approach to systems design and has progressed through roles from developer to head of US software. He combines hands-on contribution to influential open-source projects—such as performance-sensitive work on the LMAX Disruptor and build-system improvements for Facebook’s Buck—with strategic leadership of production trading platforms. Known for pragmatic code improvements (tests, javadoc, clearer abstractions) and a knack for refining JVM-based build and concurrency primitives, he balances operational rigor with sustainable developer practices. Colleagues would note his uncommon blend of deep technical detail orientation and long-term product ownership across low-latency, financial-grade systems.
15 years of coding experience
11 years of employment as a software developer
1st, Mathematics, 1st, Mathematics at Durham University
Github Skills (8)
javas10
buck10
build-tools10
java10
concurrency10
testing10
build-automation9
python3
Programming languages (4)
Github contributions (5)
LMAX-Exchange/disruptor
Jul 2016 - Jul 2022
High Performance Inter-Thread Messaging Library
Role in this project:
Back-end Developer
Back-end DeveloperContributions:20 reviews, 18 commits, 17 PRs in 6 years
Contributions summary:James primarily focused on improving the LMAX Disruptor library by updating tests and implementing new features. They updated tests to use non-deprecated constructors, ensuring the code's stability and maintainability. The user also added a `BatchStartAware` interface and integrated it into the `BatchEventProcessor` to report batch sizes. Furthermore, the user supplied missing Javadoc commentary, improving the code's readability and understanding.
concurrencydisruptormessaging-libraryinterperformance
facebook/buck
Nov 2015 - Feb 2016
A fast build system that encourages the creation of small, reusable modules over a variety of platforms and languages.
Role in this project:Back-end Developer
Back-end DeveloperContributions:22 commits, 33 PRs, 61 comments in 2 months
Contributions summary:James primarily contributed to the Buck build system, focusing on improving its Java-related features. Their work involved refactoring code, such as decoupling JavaLibrary from AnnotationProcessingParams and encapsulating JavacOptions within DefaultJavaLibrary. They also made code improvements by renaming variables for clarity and addressing issues like duplicate warnings in JarDirectoryStepHelper. These changes suggest a focus on improving the build process and code maintainability within the Java build environment of the Buck system.
buckpythonplatformsandroidlanguages
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