Flagship · Architecture
Adapter Boundaries That Make Change Cheaper
How to design adapter boundaries that contain vendor semantics without hiding business-critical differences or creating a private framework.
Read article →The field journal
Practical Architecture Writing
Practical architecture decisions, tradeoffs, and operating lessons from software that has to survive business change.
Browse all topics →Find the right article
52 articles · 3 featured
Start here
Flagship · Case studies
Candid Moments: Durable Media Processing and Moderation
How Candid Moments uses direct S3 uploads, durable PgBoss jobs, Rekognition, persisted state, and host controls to process event media safely.
Read article →
Flagship · Engineering leadership
Performance, Feedback, and Accountability for Engineering Leaders
Why engineering leaders need direct feedback, honest performance management, and clear accountability instead of management avoidance.
Read article →Latest writing
How I Use AI to Make Software Easier to Own
How I use AI to investigate, implement, challenge assumptions, and remove unnecessary complexity while retaining responsibility for engineering decisions.
Read article →More practical architecture writing
Configuration Beats Code Only When Variation Is Bounded
A decision framework for moving business rules into governed configuration without creating an untyped programming language that nobody can operate safely.
One Model, Many Conversations: LLM Serving, Memory, and Reasoning
How serving engines share one model across users, isolate KV caches, batch token generation, preserve context, and spend more inference compute on reasoning.
From GGUF to GPU: How llama.cpp Actually Runs a Model
Trace llama_decode through GGML graphs, CUDA kernels, GPU memory, and next-token generation—and see why expensive LLM inference can still be fast.
An LLM Is Not the Program: What Is Actually Inside the Model File
Follow an LLM request past the API and into GGUF tensors, learned parameters, attention, and the transformer layer that turns model data into logits.