Izumi Hoshino
Software Engineer at Chia Project
Tokyo, Japan
Summary
🤩
Rockstar🎓
Top SchoolIzumi Hoshino is a software engineer based in Tokyo with five years of experience building web applications that bridge finance and crypto. Comfortable across the full stack, Izumi ships React/TypeScript front-ends and RESTful back-ends using C#, Node.js, SQL and AWS/Firebase, and has contributed meaningful fixes and feature work to the high-profile Chia blockchain and its Electron/React GUI. At Toyo Keizai she turns messy survey PDFs and Excel files into structured, product-ready datasets using PDF and OfficeOpenXML expertise. She also brings atypical depth in tooling—JetBrains IDE plugins and browser add-ons—and implemented the JavaScript runtime portion of Chia’s CLVM. Curious and persistent, she enjoys tackling problems that may initially seem unattainable and favors pragmatic, standards-aware solutions.
5 years of coding experience
Bachelor of Science - BS, Earth and Planetary Science, Bachelor of Science - BS, Earth and Planetary Science at Tokyo Institute of TechnologyKunitach High School
Github Skills (22)
javascript10
python10
typescript10
chain10
ui-design10
cicd10
uid10
rpc10
api10
front-end-development10
typescript-types10
blockchain10
typescripts10
react10
electron9
Programming languages (6)
Github contributions (5)
Chia-Network/chia-blockchain-gui
Dec 2021 - Jan 2023
Chia blockchain GUI in electron/react
Role in this project:
Front-end Developer
Front-end DeveloperContributions:95 reviews, 23 commits, 138 PRs in 1 year 1 month
Contributions summary:Izumi primarily contributed to the development of the Chia blockchain GUI, focusing on the user interface and related components. Their work included reorganizing plot size components, fixing issues with checkbox states, and replacing `useLocalStorage` with `usePrefs` for preference management. The user also implemented features for storing GUI preferences using `prefs.yaml` and added functionality for enabling or disabling data layer and file propagation services within the GUI. Furthermore, the user deprecated bladebit1 support, and fixed text field component issues.
chia-blockchainreactelectronelectron-reactblockchain
Chia-Network/chia-blockchain
May 2021 - Dec 2022
Chia blockchain python implementation (full node, farmer, harvester, timelord, and wallet)
Role in this project:Backend & DevOps Engineer
Backend & DevOps EngineerContributions:131 reviews, 73 commits, 109 PRs in 1 year 6 months
Contributions summary:Izumi contributed to the Chia blockchain implementation by removing dead code, adding support for plot creation via daemon API, and fixing type annotations. They also updated the version prop in the GUI package. Additionally, the user addressed various issues within the build scripts, including CI performance optimization, and resolved problems related to the RPC API. Their work spanned across multiple modules, indicating a versatile role within the project.
chia-blockchainpythonwalletspython-blockchainwallet
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