David Evans - Software Engineer at Apple

David Evans

Software Engineer at Apple

London, England, United States

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Summary

🤩

Rockstar

🎓

Top School

David Evans is a software engineer with a decade of experience building high-performance networking and iOS applications, currently engineering at Apple in London. He blends deep systems work—contributing to prominent Swift projects like SwiftNIO, AsyncHTTPClient, and swift-nio-ssl—with a strong iOS background in Swift and Objective-C and five years of App Store publishing. Known for improving TLS, proxy, and test automation in open-source networking libraries, he brings practical expertise in SSL, SOCKS proxying, and CI migration across Swift versions. A WWDC awardee and dual master’s graduate (Nottingham and Oxford), he pairs rigorous academic training with hands-on production delivery and a knack for quickly learning new tools and languages.

10 years of coding experience

4 years of employment as a software developer

Master’s Degree, Computer Science, First-Class Honours, Master’s Degree, Computer Science, First-Class Honours at University of Nottingham

Master of Science - MS, Computer Science, Master of Science - MS, Computer Science at University of Oxford

English, German, Italian

Github Skills (24)

asynchronous10

unit-testing10

uitest10

socks10

ssl10

tls1210

non-blocking10

async10

testing10

swift-nio10

proxy10

io10

tls1310

xctest10

bytebuffer10

Programming languages (6)

DockerfileCHackSwiftHTMLAssembly

Github contributions (5)

swift-server/async-http-client

Apr 2021 - Jun 2021

HTTP client library built on SwiftNIO

Role in this project:

Back-end & Test Automation Engineer

Contributions:2 releases, 39 reviews, 5 commits in 1 month

Contributions summary:David primarily contributed to the testing and implementation of features within the AsyncHTTPClient library. They fixed existing tests, including those related to SSL and connection timeouts, ensuring the robustness of the client. They also implemented SOCKS proxy functionality, enabling the client to send requests through SOCKSv5 proxy servers. Furthermore, the user updated dependencies and fixed deprecations related to recent updates in the swift-nio family.

swiftnioswift5client-libraryhttp-clientswift-nio

apple/swift-nio

Oct 2019 - Apr 2022

Event-driven network application framework for high performance protocol servers & clients, non-blocking.

Role in this project:

Back-end Developer & Test Automation Engineer

Contributions:5 releases, 56 reviews, 13 commits in 2 years 6 months

Contributions summary:David contributed to the SwiftNIO project by addressing several issues, including fixing typos, implementing new initializers for data conversions, and creating a new method for writing repeating bytes. They also added tests to enhance code coverage and ensure functionality, particularly related to the `ByteBuffer` structure. Furthermore, the user fixed tests and implemented changes to accommodate Swift 5.3 CI, showing proficiency in testing and adapting code for different environments.

swift5event-drivennon-blockingswift-servertcp

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