nkey
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  • Joined on 2026-01-14
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👋 About Me

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

🚀 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

🧩 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

💼 Experience

Leadership

LIKELION HUFS Global 12th (Mar 2024 – Dec 2024) · Representative

  • Led the 12th cohort as the representative of LIKELION HUFS Global
  • Coordinated communication, community activities, and overall cohort operations
  • Supported team collaboration and program participation throughout the term

Ganziton: Python (10-University Joint Hackathon) (May 2024 – Nov 2024) · PR Team Leader

  • Led PR and event operations for a 10-university joint hackathon
  • Designed the hackathon concept and promotional direction
  • Managed merchandise production, venue coordination, and judge outreach
  • Produced Instagram promotional content and sponsor proposal decks

Teaching & Mentoring

Coding Education Volunteer at Pungsaeng High School (Mar 2024 – Dec 2024) · Instructor

  • Taught Django-based programming classes for students
  • Mentored students in developing a school bazaar-related web service as a hands-on team project
  • Supported learners in planning and implementing simple practical software projects

Computer Programming, Division of Semiconductor and Electronic Engineering (Mar 2024 – Jun 2024) · Teaching Assistant

  • Assisted with course operation for Computer Programming classes
  • Supported students with programming practice and problem solving
  • Helped facilitate learning activities during the semester

Coding Zone (Sep 2024 – Dec 2024) · Teaching Assistant

  • Supported coding practice sessions as a teaching assistant
  • Helped learners understand programming concepts and complete exercises

Coding Zone (Sep 2025 – Dec 2025) · Teaching Assistant

  • Continued supporting coding practice sessions as a teaching assistant
  • Assisted students with programming exercises and learning guidance

Activities & Hackathons

LIKELION HUFS Global 11th (Mar 2023 – Dec 2023) · Member

  • Participated as a member of LIKELION HUFS Global 11th
  • Engaged in programming study, team activities, and community events

Smilegate Creative Ideathon (Jul 2023) · Participant

  • Participated in the Smilegate creative mentoring ideathon
  • Worked on idea development and presentation activities

LIKELION HUFS Global 11th Central Hackathon (Aug 2023) · Participant

  • Participated in the central hackathon as a member of LIKELION HUFS Global 11th
  • Collaborated on service ideation and development under time constraints

Ganziton: Mirthon (9-University Joint Hackathon) (Nov 2023) · Participant

  • Participated in a joint inter-university hackathon
  • Collaborated with teammates on ideation and hackathon execution

HUFSummer Hackathon (Jun 2024) · Participant

  • Participated in the 2024 HUFSummer Hackathon
  • Collaborated on idea development and hackathon project execution

LIKELION HUFS Global 12th Central Hackathon (Aug 2024) · Participant

  • Participated in the central hackathon as a member of LIKELION HUFS Global 12th
  • Worked collaboratively on service planning and development under time constraints

⚙️ Tech Stack (Unified Badges)

Languages

Python Java C JavaScript Bash R

Backend / Frameworks

Django DRF FastAPI Spring Boot Laravel

Frontend

React Next.js Vercel

Database / Cache / Search

PostgreSQL MongoDB MySQL Redis Atlas Search

Infra / DevOps

Docker Docker Compose Kubernetes K3s Nginx Linux GitHub Actions Gitea

Observability (Monitoring / Logging)

Prometheus Grafana Loki Alertmanager Fluent%20Bit

Automation / Workflow / Collaboration

n8n Jira Discord

Cloud / Networking / Ops

AWS Oracle%20Cloud%20OCI Tailscale Ollama Restic Solapi

🏆 Awards & Activities

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

🔗 Links

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