Building resilient backend systems, cloud-native platforms, and practical engineering knowledge.
- Design backend services with Java, Spring Boot, Python, and FastAPI.
- Build and operate cloud-native platforms with Kubernetes, GitOps, Terraform, and AWS.
- Work with batch, streaming, relational, and graph data systems.
- Turn hands-on lessons into articles, guides, and reproducible examples.
| Project | What it is |
|---|---|
| HashiCorp Vault Practical Guide | An open Korean-language guide to operating Vault, from core concepts to hands-on workflows. |
| Tech Blog | Notes on backend architecture, Kubernetes/GitOps, data engineering, and operations. |
| ddlParser | A Java side project that generates randomized test DML from DDL. |
| Algorithm | A long-running collection of algorithm and coding-test practice in Java. |
Backend
Platform & Cloud
Data & Operations
AWS Certified Solutions Architect – Associate · CKAD (expired)
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Additional credentials: Big Data Analysis Engineer · Engineer Information Processing · DAsP · ADsP · SQLD · Network Administrator Level 2
Algorithm practice across Baekjoon Online Judge, Programmers, and LeetCode. Source code is organized in the algorithm repository.