Joonghyup Cha

Senior Software Engineer In Test

Seocho District, Seoul, South Korea

About

I am a Software Engineer In Test who has worked in various IT fields (Blockchain, Database, Mail Engine, SI-Public/Finance, ML/RAG). I enjoy finding various ways to improve the quality of the project and mainly performed the following tasks. . Build Test Infra, Test Automation Framework, Test Automation Process for DevOps . Bug Data Analysis and Customer Issue Management . Developing various monitoring tools to improve quality. . Discover and apply various open sources needed for the project. I am good at acquiring new technologies in a short period of time or understanding new product lines. My goal is to actively utilize these abilities to find the root cause of problems in the quality of the project and improve them.

Experience

  • Software Engineer In Test at Twelve Labs
    Sep 2024 - Present · 1 yr 11 mos

  • Senior Software Engineer In Test at Sendbird
    Apr 2022 - Sep 2024 · 2 yrs 6 mos

    - Improved ML Pipeline performance for GenAI Product using Python, Jupyter notebook, Pinecone, OpenSearch, OpenAI SDK - Led transition from manual to automated E2E testing(Web, SDK, REST API) - Implemented test automation framework using Robot Framework, Playwright, Appium, GitHub Actions - Developed Chat AI widget (React, TypeScript) and improved Sendbird Docs search bar (LunrJS) - Led cross-functional postmortems and improved deployment processes with AWS Lambda, Slack API

  • Senior Quality Engineer at SAP
    Feb 2021 - Apr 2022 · 1 yr 3 mos

    - Extended functionality of SQLSmith for HANA Database using C++ - Developed SQL Reference Search Tool with VueJS

  • Senior Software Engineer In Test at LINE Plus Corp
    Oct 2020 - Feb 2021 · 5 mos

    - Implemented test automation for Line Blockchain Platform using Gauge Framework, Java, REST API, gRPC

  • Senior Software Engineer In Test at Samsung SDS
    Jan 2011 - Oct 2020 · 9 yrs 10 mos

    - Developed Remote Test Lab (similar to AWS Device Farm) using VueJS, Flask, Golang, Kubernetes, Docker - Implemented test automation for KNOX MANAGE(SDK) with Golang, Robot Framework, Python - Developed chatbot for test execution using Python, Flask, TensorFlow - Established automated insurance premium calculation and verification process using Python, Robot Framework, Selenium, Jenkins - Developed in-house Mail Engine System (REST API, SDK, CLI) and cloud solution based on OpenStack