Clemens Wasser
Software Engineer
Aachen, North Rhine-Westphalia, Germany
Summary
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RockstarClemens Wasser is a versatile software engineer with eight years of experience building systems-level and back-end software from Aachen, Germany. He contributes to prominent open-source projects such as fish-shell, rust-analyzer, SerenityOS and mold, demonstrating strengths in porting C++ to Rust, cross-platform system-porting (including Windows), and low-level networking and pthread support. Clemens blends systems architecture with practical implementation—e.g., enabling Qt modules and SSL in SerenityOS and adding configurable cargo check behavior for rust-analyzer—showing both tooling and OS-level expertise. He has a knack for translating complex legacy code into modern, maintainable implementations and improving developer workflows through targeted configuration and refactoring.
9 years of coding experience
Github Skills (37)
c-language10
builtin10
cargo10
unix10
system-programming10
multiplatform10
qt10
wp-api10
configuration-management10
pthread10
cross-platform10
language-server-protocol10
winapi10
osdev10
kernel10
Programming languages (16)
Github contributions (5)
rust-lang/rust-analyzer
Jun 2020 - Jan 2022
A Rust compiler front-end for IDEs
Role in this project:
Backend Developer
Backend DeveloperContributions:2 reviews, 4 PRs, 9 comments in 1 year 7 months
Contributions summary:Clemens primarily contributed to the `rust-analyzer` project by modifying its configuration and flycheck features. They introduced options to customize the behavior of the cargo check process, allowing more granular control over features, targets, and arguments. These changes also involved refactoring code and integrating existing cargo configurations into the rust-analyzer's settings, which streamlined the feature handling. Additionally, the user fixed a bug related to configuring features within the project model.
compilerfrontendrustlsp-server
rui314/mold
Jul 2022 - Aug 2022
mold: A Modern Linker 🦠
Role in this project:Back-end Developer & Systems Programmer
Back-end Developer & Systems ProgrammerContributions:44 reviews, 17 commits, 2 PRs in 29 days
Contributions summary:Clemens primarily focused on porting and adapting the `mold` linker to the Windows operating system. Their contributions involved modifying code to disable platform-specific includes, implement SHA256 hashing with Windows CNG, and port the `MappedFile` and `TimerRecord` functionalities. They also addressed issues related to string view implementations and dynamic loading on Windows, indicating a deep understanding of system-level programming and cross-platform compatibility.
linker
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