Emil Pedersen
Compiler Engineer at Apple
London, England, France
Summary
🤩
Rockstar🎓
Top SchoolEmil Pedersen is a compiler engineer based in Paris with nine years of software development experience, currently contributing to the Swift compiler at Apple. He combines a strong Java and iOS application background with low-level compiler work—his contributions touch SILGen, SILOptimizer and DebugInfo and helped reduce variable loss in optimized Swift builds. A former iOS developer for consumer and accessibility-focused apps, he now focuses on improving debug info quality for optimized code, yielding measurable gains across standard library projects. Emil also teaches and mentors students at EPITECH and has a habit of pairing production work with rigorous test automation in high-profile open-source projects like swiftlang/swift.
10 years of coding experience
2 years of employment as a software developer
EpitechComputer Science, Computer Science at Concordia UniversityBaccalauréat, Baccalauréat at Lycée Louis ArmandTeaching & Coaching, Teaching & Coaching at Ionis-STM, école de double compétence
French, English, danois
Stackoverflow
706reputation
64kreached
19answers
2questions
Github Skills (15)
testing10
compiler10
swift10
intermediate-language10
compile10
debugging9
code-generation8
xcode6
docker6
macos6
dock6
amazon-ecs6
swift-package-manager6
swing6
java6
Programming languages (10)
Github contributions (5)
swiftlang/swift
Jul 2020 - Jul 2026
The Swift Programming Language
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:15 reviews, 62 PRs, 27 pushes in 6 years
Contributions summary:Emil primarily contributed to the Swift programming language repository by implementing and testing new features and improvements. Their work focused on adding missing colons in FileCheck tests, which ensures the correctness and accuracy of the Swift compiler's output. The commits also include modifications to SILGen, SILOptimizer, and DebugInfo, demonstrating their involvement in core compiler components and testing infrastructure. These contributions involved code changes to the core compiler, including SIL (Swift Intermediate Language), and involved the writing of comprehensive tests.
programming-languageswift
legolas-tek/r-type
Oct 2023 - Nov 2023
An ECS game engine complete with networking and an r-type game
Contributions:188 reviews, 36 PRs, 80 pushes in 22 days
game-enginenetworking
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