Sung-Kyu Yoo

Backend Software Engineer


About

I am a backend software engineer with over 10 years of experience in search services and platform development. I have extensive experience in Elasticsearch and Kubernetes, covering everything from system design to operations. Recently, I have been building LLM/GPU inference systems, developing cost-efficient AI service capabilities. I aim to contribute to business growth through robust and scalable system design.

Experience

SKTelecom | Backend Engineer | Sep 2022 - Oct 2025

  • A. and ICT Family search service development/operations
  • LLM conversational service (B tv Media Agent) development/operations
  • Kubernetes cluster development/operations for search systems
  • GPU inference serving development/operations

Kakao Enterprise Corp. | Backend Engineer | Dec 2019 - Aug 2022

  • Search service operations automation platform development/operations
  • Search system standard Kubernetes cluster development/operations

Kakao Corp. | Backend Engineer | Mar 2015 - Nov 2019

  • Daum and KakaoTalk search service development/operations
  • Search service operations automation platform development/operations

Skills

CategoryTechnologies
LanguagesPython, Golang, Java
FrameworksFastAPI
DevOpsKubernetes, Helm, Kustomize, Ansible
SolutionsElasticsearch, Prometheus/Thanos, ArgoCD
OSRHEL, Ubuntu

Education

Hankuk University of Foreign Studies | B.S. Computer Engineering | Mar 2009 - Feb 2015

  • GPA: 4.23/4.5

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