Hanju Kim
Software Engineer at 프리랜서
Seoul, South Korea
Summary
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RockstarHanju Kim is a seasoned software engineer and technology leader with 12 years of experience building cross-platform game engines, blockchain back-ends, and large-scale game infrastructure. He has held executive engineering roles including CTO at Terraform Labs and YMIR Entertainment, and co-founded a social commerce startup, blending product strategy with hands-on engineering. His open-source contributions span the widely used Cocos2d-x engine (bug fixes and cross-platform rendering/touch fixes) and core Terra projects (TypeScript SDK and Go protocol work), showing fluency across C++, TypeScript, and Go. Based in Seoul, he combines systems-level understanding of performance and cross-platform quirks with protocol-level experience in blockchain modules and SDK APIs. Colleagues would note he moves comfortably between shipping production fixes and evolving core protocol logic—an engineer who still commits code to the foundations of the platforms he helps run.
12 years of coding experience
22 years of employment as a software developer
English, Korean
Stackoverflow
39reputation
495reached
0answers
3questions
Github Skills (25)
c-language10
game-engine10
back-end-development10
windows10
testing10
typescript10
go10
blockchain10
typescript-types10
typescripts10
game-development10
backend10
cprogramming-language10
cocos2d-x10
cosmos-sdk9
Programming languages (15)
Github contributions (5)
terra-money/terra.js
Apr 2020 - May 2022
JavaScript SDK for Terra, written in TypeScript
Role in this project:
Back-end Developer
Back-end DeveloperContributions:23 releases, 68 reviews, 143 commits in 2 years 1 month
Contributions summary:Hanju's commits primarily focused on code style improvements and removing linting errors in various TypeScript files. The changes involve modifications to several API files within the `src/client/lcd/api` directory, specifically within the OracleAPI, StakingAPI, and TendermintAPI, implying work on the backend logic of the Terra.js SDK. Additionally, the user touched spec files for core data structures like UnbondingDelegation and Redelegation, suggesting efforts to ensure data model correctness. Furthermore, they added new features related to wasm messages.
javascripttypescript
terra-money/classic-core
Apr 2019 - Aug 2022
GO implementation of the Terra Protocol
Role in this project:Back-end Developer
Back-end DeveloperContributions:8 releases, 118 reviews, 58 commits in 3 years 4 months
Contributions summary:Hanju primarily focused on modifying core code in the Terra Protocol implementation, including variable name changes and updates to test files. The user also made changes related to the treasury and mint modules, adjusting test setups and modifying schedules. Additionally, the user updated the CLI, corrected swagger definitions, and reverted a code change related to error handling. These tasks suggest a focus on core protocol logic and system maintenance.
go
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