Yuki Toyoda
Software Engineer at Sansan, Inc.
Chiyoda, Japan
Summary
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SeniorYuki Toyoda is a Staff Software Engineer based in Chiyoda, Japan, with roughly a decade of industry experience focused on backend systems and language tooling. He contributes to the Erg programming language compiler, implementing language features and built-in traits that strengthen a statically typed, Python-compatible language ecosystem. Known for pragmatic engineering, he often works on compiler initialization and trait definition—areas that require careful design to keep runtimes predictable. Fluent in collaborative open-source development, he balances long-term architectural thinking with hands-on implementation. His profile reflects both steady professional growth and a curiosity for language design that goes beyond typical backend work.
9 years of coding experience
Github Skills (7)
compiler10
programming-language10
compiler-compiler10
rust10
language-design10
transpiler9
type-system9
Programming languages (10)
Github contributions (5)
erg-lang/erg
Dec 2022 - Jan 2023
A statically typed language compatible with Python
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 reviews, 11 commits, 5 PRs in 13 days
Contributions summary:Yuki primarily contributed to the Erg programming language compiler. Their commits focused on defining and implementing various language features. Key contributions include making specific strings and keywords const within the compiler's initialization and trait definition modules. The user also implemented and utilized numerous built-in traits.
pythonstatically-typedtyped-languagerustcompiler
yuk1ty/book-algorithm-solution
Jan 2021 - Jul 2022
Contributions:55 commits, 50 pushes, 1 branch in 1 year 6 months
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