Software Engineer
_{Building across the stack — web, native desktop, and infrastructure.}

Production-grade tools, shipped and maintained — not demos.

• KubeLantern  ·  A lightweight, keyboard-driven Kubernetes desktop client for SREs and platform engineers — designed to be faster and leaner than tools like Lens, local-only with no login or telemetry. Multi-cluster, CRD browsing, YAML edit/apply, live log streaming, exec terminals, and port-forwarding, built with React + Tauri (Rust). The project I'm pouring the most into right now.  ·  in active development
• Fremo  ·  A Windows desktop app that hands work to multiple vendor CLI coding agents (Claude, Codex, OpenCode, Gemini), coordinated by a managing worker, Foreman. Designed for provable control — every action, vendor-reported cost, and permission is backed by its own append-only event log — with mixed-vendor review (Claude builds, Codex reviews). Built with React + Tauri 2 (Rust).  ·  in active development
• usefy  ·  Production-ready React hooks & utilities, published under the @usefy npm org  →  usefy-web.vercel.app
• @mirunamu/next-redis-cache  ·  Redis cache handler for Next.js 16 — ISR and the "use cache" directive with shared tag invalidation, and keeps serving through Redis outages (build-output fallback, circuit breaker). Backed by e2e, chaos, and mutation-tested CI; runs in production on my homelab  →  npm
• k3s homelab  ·  A self-hosted Kubernetes cluster driven entirely by GitOps (ArgoCD, Helm, cert-manager, Longhorn, Prometheus/Grafana)

Delivering client & in-house products at Twolinecloud:

• Real-time power-grid monitoring platform — A node-based editor lets operators author monitoring screens — equipment nodes, connections, tag/data bindings — paired with a viewer app that renders them and maps live sensor streams over WebSocket for real-time equipment surveillance.  React TypeScript ReactFlow WebSocket
• Cloud & MLOps infrastructure platform — Compose cloud/cluster architectures on AWS/Azure by drag-and-drop, then provision, deploy, and monitor them — backed by a marketplace of reusable architecture templates.  Angular TypeScript
• Collaborative Event Storming tool — A Figma-style real-time whiteboard for domain modeling: multiple users edit the same board together over WebSocket, with GPT integration that auto-generates event-storming diagrams from a prompt. Interoperates with the infrastructure platform above.  TypeScript WebSocket OpenAI
• Data analytics platform — Data preprocessing and machine-learning pipelines.  Vue

Beyond the frontend, I ship and operate what I build — delivering on-prem with Docker Compose, standing up Kubernetes clusters on cloud, and contributing across the platform layer: GitOps (ArgoCD), observability (Prometheus, Grafana), and distributed storage (Ceph, Longhorn).

Frontend

Native & Backend

Infra & DevOps

_{📍 Seoul, Republic of Korea  ·  Building at Twolinecloud}