Jin-hyeok Cha
Web SDK Engineer at AB180 - 에이비일팔공
Seoul, South Korea
Summary
👤
Senior🎓
Top SchoolJin-hyeok Cha is a Web SDK Engineer based in Seoul with 8 years of experience building developer-facing and customer-facing web products using Node.js, TypeScript, and React. He helped develop Sendbird’s JavaScript/TypeScript Chat SDK and contributed UI and build improvements to Sendbird’s public JavaScript samples, demonstrating attention to both developer experience and polished front-end interactions. His background spans backend and data engineering—building AdOps services with NestJS/AWS and data platforms with Spark and AWS—giving him a pragmatic full-stack perspective. At AB180 he focuses on SDK work that bridges product integrations and platform reliability, and his history includes building a Samsung TV app and low-level network monitoring tooling. Known for improving build configurations and UX details (e.g., live chat controls and polyfill integration), he brings a detail-oriented approach to shipping SDKs and apps that other teams and customers rely on.
8 years of coding experience
8 years of employment as a software developer
Bachelor of Science (BS) Computer Software Engineering, Bachelor of Science (BS) Computer Software Engineering at Sangmyung University
Korean, English, Japanese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (10)
sample-rate10
sample-size10
chat10
javascript10
sample-data10
react10
webpacker9
webpack9
ui-design9
uikit9
Programming languages (4)
Github contributions (5)
sendbird/sendbird-javascript-samples
Apr 2020 - Dec 2021
A guide of the installation and functions of Sendbird Chat, UIKit, and SyncManager for JavaScript samples.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:1 review, 13 commits, 4 PRs in 1 year 7 months
Contributions summary:Jin-hyeok primarily focused on updating and implementing features within the Sendbird JavaScript samples, specifically within the "web-live-chat" and "web-basic-sample" directories. They updated the live chat sample by adding UI elements such as a leave button, profile images and send buttons. Furthermore, they also added babel-polyfill configuration to the webpack config for the web-basic-sample. These commits demonstrate a focus on improving the user interface and build configuration of the example applications.
reactleancloudchatjavascriptreactnative
gignac-cha/my-algorithm-problem-solutions
Nov 2022 - Dec 2024
This repository contains the solutions about the algorithm problems.
Contributions:5 PRs, 59 pushes, 11 branches in 2 years 1 month
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