If you are intereted in me, you can get more detail about me by visiting my Notion Portfolio(ko) or Notion Portfolio(en) for detail!

CONTACT INFORMATION

📮 Contacts

📚 Blog

🔗 SNS

I’m a software engineer who is curious about every new things. And “Keep Blitz and Be Simple”, “Keep It Simple Stupid” is my motto. I always try to be simple. 😊

🌥 SOFTWARE ENGINEER

Proficient in end-to-end planning and operation of MLOps platform as a Software Engineer

Skilled DevOps Engineer well-versed in Cloud Native technologies

Experienced System Engineer with expertise in operating large-scale HPC clusters, managing over 2000 GPUs

INTERESTS

🏢 WORK EXPERIENCES

Toss Bank, South Korea

Machine Learning Software Engineer, Machine Learning Platform Team

Oct 2023 ~ Present

• Stably developed and operated Tossbank’s Credit Strategy System and successfully embedded Credit Scoring machine learning models into the strategy system, contributing to Tossbank’s competitive credit system
• Operated Tossbank’s large-scale deployment program through stable Airflow cluster operation
• Built Tossbank’s machine learning platform, contributing to flexible model development and deployment

Kakao Enterprise, South Korea

Cloud Software Engineer, Machine Learning Platform Part

Mar 2022 ~ Aug 2023

• Led end-to-end planning, development, and operation of Kakao i Machine Learning MLOps platform.
• Successfully operated a stable HPC cluster composed of over 2,000 GPUs and Infiniband Network.
• Established and maintained stable infrastructure for high-performance computing projects in public environments.
• Planned and executed the successful relocation of over 300 devices for a major power facility relocation.

Software System Engineer, Voice System Part

Jul 2020 ~ Feb 2022

• Developed the Cluster Controller component for Kakao i Cloud STT service, ensuring stable operation across multiple clusters.
• Led the planning, development, and operation of Kakao i Speech Transcription Tool, enabling 8 transcribers to process approximately 3K sentences daily.
• Developed and operated a log management system to handle approximately 3 million daily Kakao i voice data from around 100,000 users.
• Developed and operated tools for providing internal voice service demos.

🛠 SKILLS

Language

• Python
• Go

Cloud Native

• Kubernetes
• Docker
• ArgoCD
• Kubeflow

DevOps

• ArgoCD
• Github Action
• Jenkins
• Helm

Keywords

• Microservice architecture
• Linux/System programming
• Machine Learning

🎓 EDUCATION

Kyungpook National University, South Korea

2015.03 ~ 2021.02.

• Bachelor of Computer Science
• GPA : 4.10 / 4.50

Darmstadt Univ of Applied Sciences, Germany

Spring Semester 2020

• International Studies Program

📜 CERTIFICATIONS

AWS Certified Cloud Practitioner (CLF)

Issued Apr 2023 · Expires Apr 2026

MLOps Engineering on AWSMLOps Engineering on AWS

Issued Apr 2022 · Expires Apr 2025