Anton Älgmyr is a software engineer based in Zurich with 11 years of engineering experience and a Master's in Complex Adaptive Systems from Chalmers. A competitive programmer and long-time enthusiast of Linux and FOSS, he has shipped production back-end features at Google since 2019 while contributing to notable open-source projects like the Git-compatible VCS jj and the Wayland notification daemon mako. His work spans low-level tooling, back-end systems, and UI rendering—examples include diff formatting and graph visualization improvements for jj, CSES data scraping and leaderboard logic for a competitive-programming Discord bot, and icon rendering fixes for mako. Comfortable in terminals and with mathematically rigorous problems, he blends research-grade simulation experience (Matlab/C/Python) with pragmatic software engineering at scale. Unusually, he pairs competitive programming instincts with a formal physics and systems background, bringing both algorithmic speed and numerically careful implementation to his projects.
11 years of coding experience
Natural sciences (Naturvetenskapliga programmet), with extra courses in math, Natural sciences (Naturvetenskapliga programmet), with extra courses in math at Alléskolan, Hallsberg
Master's degree, Complex Adaptive Systems, Master's degree, Complex Adaptive Systems at Chalmers University of Technology
Bachelor's degree, Teknisk Fysik/Applied Physics, Bachelor's degree, Teknisk Fysik/Applied Physics at Chalmers tekniska högskola / Chalmers University of Technology
Contributions:85 reviews, 66 commits, 131 PRs in 3 years 1 month
Contributions summary:Anton primarily contributed to the back-end logic of a Discord bot designed for competitive programming. Their work included implementing features related to the CSES problem set, such as scraping and caching data from the CSES website and creating leaderboards. The user also addressed bugs and improved code quality by fixing race conditions and applying table formatting. Furthermore, they extended the bot by incorporating new commands and functionalities.
A Git-compatible VCS that is both simple and powerful
Role in this project:
Back-end Developer
Contributions:34 reviews, 23 PRs, 23 pushes in 1 year
Contributions summary:Anton primarily contributed to the "jj" Git-compatible VCS project by implementing features related to diff formatting and graph node customization. They added the "--context" flag to diff commands, enhancing the display of context lines around diffs. The user also introduced configuration options for customizing node symbols in the graph visualization. These changes involved modifications to core command-line interface code and tests.
hacklangvcsversion-controlsubversiongit-client
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