Yoonseok Oh
About Yoonseok Oh
Yoonseok Oh is a Software Engineer at Sendbird, where he has worked since 2019. He has a background in communication engineering and extensive experience in software development and server optimization.
Work at Sendbird
Yoonseok Oh has been employed at Sendbird as a Software Engineer since 2019. In this role, he has contributed to various projects, including the integration of AWS marketplace products into Sendbird's dashboard server. He has designed a routing algorithm for customer service tickets and developed a high-capacity service that efficiently handles over 98% of API requests with a response speed of under 200 milliseconds. His work ensures a service uptime of 99.95%, demonstrating his commitment to maintaining high standards in software performance.
Previous Experience
Before joining Sendbird, Yoonseok Oh held several positions in the technology sector. He worked as a Research Engineer at Samsung Electro-Mechanics from 2011 to 2015. Following this, he served as a Senior Firmware Engineer at STMicroelectronics for one year in 2016. He also took on the role of COO and Development Team Leader at TripBtoz Inc. from 2016 to 2018, where he managed development initiatives and team operations.
Education and Expertise
Yoonseok Oh holds a Bachelor's degree in Communication Engineering and Informatics from The University of Electro-Communications, where he studied from 2005 to 2009. He furthered his education at the Tokyo Institute of Technology, earning a Master's degree in Electrical and Electronic Engineering from 2009 to 2011. His academic background supports his expertise in software engineering, database design, and high availability data processing.
Technical Skills
In his role at Sendbird, Yoonseok Oh utilizes the Python Django REST framework for service development. He has experience in database design and query optimization, focusing on high availability data processing. Additionally, he operates servers using Kubernetes, EKS, and ECS, enhancing server performance through query and index optimization and code optimization.
Research Experience
Yoonseok Oh worked as a Research Assistant at the Tokyo Institute of Technology from 2009 to 2011. This position allowed him to engage in research activities that contributed to his technical knowledge and skills in engineering, further solidifying his foundation in the field.