About Me
Hi, I'm Kangho Lee, a DevOps Engineer specializing in cloud infrastructure, Kubernetes orchestration, and GitOps practices. I'm passionate about building scalable, cost-efficient systems and automating complex workflows.
Currently serving mandatory military service as an industrial technical personnel at mAy-I, where I continue to work on video analytics infrastructure.
Experience
DevOps Engineer @ mAy-I
Dec 2024 - Present · Gangnam, Seoul
- Fulfilling mandatory military service as an industrial technical personnel
Software Engineer @ HITS
Dec 2023 - Nov 2024 · Seoul (Hybrid)
- Reduced AWS costs by 43% by optimizing cloud scaling strategies
- Reduced database costs by 35% by migrating from AWS RDS to DynamoDB after analyzing usage patterns
- Automated package deployment and dependency management for the research team with GitHub Actions
- Enabled automatic deployments to feature-specific URLs using Argo CD and Istio, improving frontend developer workflow
- Strengthened IAM security by replacing IAM Users with GitHub OIDC and implementing temporary permissions via Keycloak
- Integrated unmanaged resources into a GitOps system to improve cluster stability
- Built resilient, scalable calculation servers for AI drug discovery platform deployment
Software Engineer @ DEEPING Corp.
Sep 2022 - Nov 2023 · Seoul
- Enhanced productivity by automating the full development-to-deployment process with Jenkins
- Improved image serving speed using AWS CloudFront and Lambda for resized cache images
- Improved stability and performance by migrating services from AWS EC2 to EKS
- Optimized API response speed by resolving N+1 issues through Django ORM optimization
Education
Hanyang University
Master of Science - Construction Automation and Informatics
Mar 2020 – Aug 2022 · GPA: 4.06/4.5
Hanyang University
Bachelor's Degree - Civil and Environmental Engineering
Mar 2015 – Feb 2020
Technical Skills
Cloud & Infrastructure
- AWS (EC2, EKS, RDS, DynamoDB, CloudFront, Lambda)
- Kubernetes
- Docker
DevOps & Automation
- Argo CD
- Istio
- Jenkins
- GitHub Actions
- GitOps
Security & IAM
- GitHub OIDC
- Keycloak
- AWS IAM
Programming
- Python (Django)
- TypeScript
- Infrastructure as Code
About This Blog
This blog is a personal project where I share insights about DevOps practices, cloud infrastructure, Kubernetes, and software engineering. Built with Next.js and deployed via Vercel with automatic GitHub integration.
Tech Stack: Next.js 16, TypeScript, Tailwind CSS 4, React Markdown, Syntax Highlighting, Dark/Light Mode