Anton Ekblad
Software Engineer at Cactus Rail AB
Gothenburg, Västra Götaland County, Sweden
Summary
🤩
Rockstar🎓
Top SchoolAnton Ekblad is a software engineer and computer science PhD with 16 years of experience building compilers, domain-specific languages, tooling and functional programming systems, currently splitting time between founding Koditoriet and engineering at Cactus Rail AB in Gothenburg. He brings a research-first mindset from a Chalmers PhD and postdoc to practical product work, having improved Haskell-to-JavaScript compilation, refined TOML grammars for the popular ANTLR v4 repo, and tackled performance and maintainability in backend toolchains. Comfortable across embedded, distributed, and ML-adjacent systems, Anton combines deep type-and-language expertise with hands-on DevSecOps and production engineering. His open-source contributions show attention to language correctness and codegen details that rarely surface in product roadmaps. Colleagues describe him as a functional programmer with a playful side—self-described “magical girl”—who applies rigorous research practices to shipping robust developer tooling.
16 years of coding experience
7 years of employment as a software developer
Japanese Studies, Japanese Studies at Kansai Gaidai UniversityJapanese Studies, Japanese Studies at Lund UniversityJapanese Studies, Japanese Studies at Linköping UniversityDoctor of Philosophy - PhD Computer Science, Doctor of Philosophy - PhD Computer Science at Chalmers University of TechnologyMaster of Science (MSc) Computer Science, Master of Science (MSc) Computer Science at University of Gothenburg
Swedish, English, Japanese, German
Stackoverflow
8,525reputation
450kreached
29answers
11questions
onclick
top-5%
javascript
top-5%
html
top-5%
Github Skills (21)
code-optimization10
toml10
grammar10
grammars10
code-generation10
compiler-design10
parsing10
antlr10
text-parsing10
haskell10
onclick9
javascript9
bytestring9
html9
stm6
Programming languages (12)
Github contributions (5)
valderman/haste-compiler
Jan 2012 - Mar 2019
A GHC-based Haskell to JavaScript compiler
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 releases, 1786 commits, 21 PRs in 7 years 2 months
Contributions summary:Anton primarily worked on improving the performance and maintainability of the Haskell to JavaScript compiler. Their contributions included removing dependencies, optimizing code generation, and improving exception handling. The user also focused on refactoring the code to streamline the codebase and enhance the overall development workflow by addressing issues with tail call optimization and source code generation.
compilerghchaskelljavascript
antlr/grammars-v4
Oct 2021 - Oct 2021
Grammars written for ANTLR v4; expectation that the grammars are free of actions.
Role in this project:Back-end Developer
Back-end DeveloperContributions:7 commits, 1 PR in 3 days
Contributions summary:Anton contributed to the grammar of the TOML language within the ANTLR v4 ecosystem. Their work focused on refining the TOML grammar by adding features such as support for lowercase hex digits, leading zeros in float exponents, and nested arrays without whitespace. The user also addressed inconsistencies and improved the grammar's overall correctness. This involved modifying grammar rules within `toml.g4` to accommodate these enhancements.
antlrgrammars
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