Brandon Wie | Software Engineer

Brandon (Seokhyun) Wie

All Posts EN / KR

Software engineer writing about backend systems, DevOps, and lessons learned building real products.

Work

Arch Calendar — The Calendar That Remembers Everything · Lead Backend

Led backend from legacy to public launch — multi-account calendar sync, payments, and real-time updates processing 10M+ events at scale.

Project Crucio — AISecOps Knowledge Platform · Creator

Zero Trust security for generative AI on on-premise infrastructure. In development — demo live.

Recent Posts

Apr 9, 2026 ↻

Claude Code Agent Teams — Experimental feature for orchestrating multiple Claude Code instances as a coordinated team with shared task lists and inter-agent messaging

Apr 9, 2026 ↻

Claude Code: Shared + Personal AI Config Pattern — Split AI instructions into committed (shared) and gitignored (personal) layers

Apr 9, 2026 ↻

Stow Symlink Health Checking — GNU Stow creates symlinks from system config paths back to a dotfiles repo,

Apr 6, 2026 ↻

Phase A→B Classifier Deployment: Zero-Shot to Fine-Tuned — How to ship a working intent classifier on day one with zero labeled data, then graduate to a domain-specific model as you collect examples.

I Built What Karpathy Described — Before He Described It — Andrej Karpathy published a pattern for LLM-maintained knowledge bases. I have been running one for months. Here is what the comparison revealed.

Apr 6, 2026 ↻

LLM Fine-Tuning Strategies — A practical decision framework for choosing between prompt engineering, RAG, and LoRA fine-tuning when building LLM-powered applications.

Apr 6, 2026 ↻

Population Stability Index (PSI) for Model Drift Detection — How to detect when your deployed classifier's input distribution shifts away from training data — before accuracy degrades — using a lightweight statistical metric.

Apr 6, 2026 ↻

Anthropic MCP Context Budget Optimization — Anthropic-hosted MCP integrations consume ~71K tokens of your context window at session start — even when you never call them. Here is how to reclaim that budget.

Apr 6, 2026 ↻

Docker Subnet Collision with Static-IP Services — When multiple Docker Compose projects define custom bridge networks, their subnets can collide silently. Here is how to diagnose and fix it.

Apr 6, 2026 ↻

Hybrid CI: Self-Hosted Jenkins + GitHub Actions — Why use one CI system when you can use both? A split architecture that plays to each tool's strengths for polyglot portfolio projects.

→ See all 107 posts