Mads Marquart

Copenhagen, Capital Region of Denmark

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Summary

🤩

Rockstar

Mads Marquart is a self-taught software engineer in Copenhagen with 11 years of experience spanning web development, system-level programming, and tooling in Python, Rust, C++ and assembly. He frequently builds web-scrapers and small automation tools in Python while contributing to notable open-source Rust projects—helping improve a Flash emulator (ruffle), the winit windowing library, and fixing Apple-target build issues in the rust-lang compiler. His work shows deep OS and cross-compilation expertise, including macOS and Windows backend refactors and solving platform-specific linker and subsystem quirks. A competitive security enthusiast who represented Denmark at ECSC 2017 and has CTF experience, he blends low-level understanding with practical full-stack problem solving. Outside code he practices karate and sailing, reflecting a disciplined and adventurous approach to engineering challenges.

11 years of coding experience

Stackoverflow

Stats

490reputation

85kreached

18answers

2questions

Github Skills (30)

multiplatform10

compiler-development10

windows10

gui-application10

build-system10

cross-platform10

desktop-application10

desktop10

flash10

appleii10

linkage10

apple110

macos10

rust10

emulation10

Programming languages (24)

PowerShellJavaC++CSSRustCCMakeObjective-C++

Github contributions (5)

rust-windowing/winit

Jan 2021 - Jan 2023

Window handling library in pure Rust

Role in this project:

Back-end Developer & System Architect

Contributions:1 release, 944 reviews, 63 commits in 2 years

Contributions summary:Mads primarily contributed to the winit project by implementing and improving platform-specific functionalities, particularly for Windows and macOS. They fixed bugs related to raw window handle and menu assignment on Windows. Furthermore, they made significant changes to the macOS backend, refactoring the event handling, cursor management, and window properties such as safe areas, surface sizes, and the application theme. They also updated the raw-window-handle dependency to version 0.4.2, demonstrating a focus on system-level programming, OS-specific APIs and system architecture of the UI framework.

waylandwindowsx11rustwindowing

rust-lang/rust

Jul 2022 - Jul 2022

Empowering everyone to build reliable and efficient software.

Role in this project:

Back-end Developer

Contributions:105 reviews, 1 commit, 94 PRs in 1 day

Contributions summary:Mads primarily contributed to the `rust-lang/rust` repository by addressing issues related to Apple platforms. They fixed compiler configurations for simulator targets, updated comments, and removed redundant environment variables when linking. The user also made improvements to the handling of deployment targets and linked frameworks, modifying target specifications to correctly reflect the desired build configurations. Furthermore, the user added a test for Apple's -weak_framework linker argument.

crategarbage-collectionrustreliablecompiler

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