👋 About Me

Back-end Developer focused on DevOps, Observability, and Automation.
I enjoy turning “ops pain” into reliable, observable, automated systems.

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🚀 Highlights

• ~57% faster GitHub integration response time via Redis token caching
• Built an incident-response automation flow: Automation 100% / Success 80% / MTTR -43%
• Operate self-hosted infrastructure with CI/CD, monitoring, and backup practices

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🧩 Projects

Colio (Feb 2025 – Present) · Backend

Experience-based portfolio editor & hiring connection platform.

• GitHub API features + Redis caching to reduce latency (~57%)
• Search with MongoDB + Atlas Search
• CI/CD with Docker Compose + GitHub Actions
• Integrations: AWS S3 / SES, Solapi (Alimtalk)

HUFS CES Capstone (Sep 2025 – Dec 2025) · Infra / Backend / Frontend

AI Assistant flow for incident mitigation in a cloud-infra environment.

• K3s cluster on 3 Raspberry Pi nodes
• Tailscale VPN for remote access & inter-system connectivity
• Observability stack: Prometheus / Loki / Alertmanager
• Automation: n8n + Ollama (llama3) with verification/feedback loop
• Result: Automation 100% / Success 80% / MTTR -43%

NkeysWorld (Jan 2026 – Present) · Personal Infrastructure

Self-hosted code management + study + monitoring platform.

• Oracle Cloud (OCI) + Docker / Compose
• Gitea + Gitea Runner CI/CD 운영
• Nginx + Certbot, FastAPI + n8n workflows
• Operates a Discord bot that delivers coding-test problems on schedule

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⚙️ Tech Stack (Unified Badges)

Languages

Backend / Frameworks

Frontend

Database / Cache / Search

Infra / DevOps

Observability (Monitoring / Logging)

Automation / Workflow / Collaboration

Cloud / Networking / Ops

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🏆 Awards & Activities

• Leader of LIKELION Global 12th cohort
• Top Award (1st place) · 2023 Inter-university Hackathon (10 universities)
• Linux Master Level 1

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🔗 Links

• Portfolio (Gitea): https://nkeystudy.site/gitea/
• LIKELION Archive: https://velog.io/@hufsglobal09/series/HUFSLION12th-Archive