Jin Kisaragi
Software Engineer at Google
Springfield, Virginia, United States
Summary
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RockstarJin Kisaragi is a software engineer with seven years of experience, currently at Google and based in Springfield, Virginia. He brings strong backend expertise, evidenced by contributions to high-profile open-source projects like misskey (ActivityPub federation and file handling) and rust-clippy (lint improvements and correctness fixes). Jin also contributes to localization for MDN Web Docs, adapting technical content into Japanese, which shows a blend of engineering and cross-cultural communication skills. He has a pragmatic focus on type safety, refactoring, and reducing brittle code patterns, often eliminating unsafe "as any" assertions and tightening type definitions. Comfortable working across distributed systems and tooling, he balances shipping pragmatic fixes with improving long-term code quality. An uncommon detail: his GitHub bio hints at a playful, inclusive mindset—"forall p in union(people, software). kisaragi hack p"—reflecting curiosity and community-minded contribution.
7 years of coding experience
Github Skills (28)
back-end-development10
l20n10
mdns10
mdc10
clippy10
microblogging10
typescript10
j10
code-analysis10
activitypub10
lint10
federation10
japa10
mdt10
typescript-types10
Programming languages (32)
Github contributions (5)
rust-lang/rust-clippy
Mar 2022 - Mar 2025
A bunch of lints to catch common mistakes and improve your Rust code. Book: https://doc.rust-lang.org/clippy/
Role in this project:
Backend Developer
Backend DeveloperContributions:5 reviews, 10 PRs, 55 comments in 3 years
Contributions summary:Jin primarily focused on improving the Clippy linter, specifically addressing code quality and correctness. Their contributions include fixing typos, correcting code examples in documentation, and implementing new features like ignoring specific code blocks in tests. They also addressed existing issues by implementing fixes related to panics and redundant closure calls. The user’s work involved modifying linting rules and tests.
linterlintrustlangmistakes
misskey-dev/misskey
Feb 2023 - Mar 2025
🌎 A completely free and open interplanetary microblogging platform 🚀
Role in this project:Back-end Developer
Back-end DeveloperContributions:107 reviews, 73 PRs, 27 pushes in 2 years 2 months
Contributions summary:Jin primarily contributed to the backend of the Misskey platform. Their work involved fixing typos, refactoring code to remove unnecessary "as any" type assertions, and strengthening type definitions. They also implemented features related to activitypub, including file handling and federation, and addressed issues with rate limiting. Additional contributions included changes to custom emoji handling, and improvements to the file upload process.
reactfediversejavascriptfederationnodejs
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