Kyujin Cho
Back End Developer at Lablup Inc.
Seoul, South Korea
Summary
🤩
Rockstar🎓
Top SchoolKyujin Cho is a Back End Developer with 13 years of software engineering experience, currently focused on building and operating scalable container-based compute platforms at Lablup in Seoul. He combines backend API design and DevOps skills—contributing to Backend.AI with improvements to session/kernel APIs, accelerator resource management, and Codespaces support—demonstrating a strong streak in production-grade distributed systems. His background spans DevOps and software engineering roles, giving him fluency in both infrastructure automation and application-level concerns. Kyujin also ships practical mobile tooling, having developed a rootless Pixel VoLTE/VoWiFi Android solution that integrates Shizuku and Material You UI patterns. Known for clarifying documentation and resolving tricky background-task and database issues, he brings a detail-oriented approach to complex platform problems. He studied computer science at Hanyang University ERICA and pairs academic grounding with hands-on open-source impact.
13 years of coding experience
2 years of employment as a software developer
Undergraduate, Computer Science, Undergraduate, Computer Science at Hanyang University ERICA
Github Skills (18)
kotlin10
docker10
python10
back-end-development10
apidoc10
dockers10
android-development10
api10
documentation10
user-interface9
devops9
material-design8
kubernetes-pods8
distributed-computing8
container8
Programming languages (14)
Github contributions (5)
kyujin-cho/pixel-volte-patch
Feb 2023 - Mar 2023
Pixel IMS: Rootless replacement for Tensor Pixel VoLTE patch
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:6 releases, 42 reviews, 74 commits in 1 month
Contributions summary:Kyujin primarily contributed to the development of an Android application focused on enabling VoLTE functionality. Their commits demonstrate the implementation of UI components, integration of Shizuku for rootless modifications, and the addition of features like enabling VoWiFi and 4G+. Code changes involve modifying the `MainActivity.kt` file, adding new components, and refactoring the user interface to align with Material You design principles. They worked on handling dual SIM and implementing the toggle for enabling the VT configuration.
lablup/backend.ai
Jan 2020 - Jan 2023
Backend.AI is a streamlined, container-based computing cluster platform that hosts popular computing/ML frameworks and diverse programming languages, with pluggable heterogeneous accelerator support including CUDA GPU, ROCm GPU, TPU, IPU and other NPUs.
Role in this project:Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:3 releases, 553 reviews, 117 commits in 3 years 1 month
Contributions summary:Kyujin's commits primarily focus on improving and documenting the Backend.AI platform's APIs. They clarified API documentation related to session and kernel management, specifically detailing the differences between kernels and sessions. Further contributions include support for GitHub Codespaces, enhancing the development environment, and resolving issues related to background tasks and the database, and the user also worked on features like host networking and managing accelerator resources.
diversepythonpluggablebackendaicloud-computing
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