Andreas Kling
Omvårdare at Hemtjänsten
Sweden
Summary
🤩
Rockstar
Top expert inOpen-Source Software Development and Collaboration Technologies
Andreas Kling is a Sweden-based developer with 21 years of experience who blends hands-on systems programming with grounded day-to-day care work. Though currently working as an omvårdare, he remains an active open-source back-end developer and system architect on high-profile projects like SerenityOS, where he implemented kernel spinlocks, filesystem timestamping, and contributed to a native pixel paint application. He focuses on low-level concurrency and reliability on x86 platforms, bringing a pragmatic, safety-first mindset to system design. Colleagues describe him as persistent and collaborative—building a truly independent web browser and an operating system ecosystem with contributors around the world. This mix of technical depth and real-world caregiving gives him a unique perspective on resilient, human-centered engineering.
21 years of coding experience
Github Skills (12)
kernel10
filesystem10
c-language10
system-programming10
cprogramming-language10
kernel-mode10
multithreading10
concurrency10
operating-system10
assembly8
x868
assembler8
Programming languages (11)
Github contributions (5)
SerenityOS/serenity
Oct 2018 - Jan 2023
The Serenity Operating System 🐞
Role in this project:
Back-end Developer & System Architect
Back-end Developer & System ArchitectContributions:1810 reviews, 14544 commits, 10532 PRs in 4 years 4 months
Contributions summary:Andreas's contributions focused on the implementation of the SerenityOS operating system's kernel. They implemented spinlocks to protect data structures in the kernel, preventing race conditions on x86-based systems. Additionally, they added support for updating timestamps in the SysFS and ProcFS filesystems, as well as implemented and improved components of the pixel paint application.
kernelunixbrowserserenityoperating-system
LadybirdBrowser/ladybird
Jun 2024 - Apr 2025
Truly independent web browser
Contributions:180 reviews, 1243 PRs, 1052 pushes in 10 months
browserbrowser-engine
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