System Design Basics #21 — What Is Hybrid Search? Why Big Apps Run Two Search Engines at Once

Forward Deployed Engineer #9 — Is Your Spec Finished? Run the Handoff Test

Forward Deployed Engineer #9 — What Is A Spec For? One Rule That Keeps Specs Buildable

LLMOps #16 — What Is an LLM Incident? (Why Your Dashboard Stays Green)

System Design Basics #20 — Why Your Server Can't Just Tell You

Forward Deployed Engineer #8 — When Are You Done Building? Collect the Example Set First

Forward Deployed Engineer #8 — Can Your Goal Fail? The Four-Slot Success Sentence

LLMOps #15 — What Is Idempotency? Why Retrying an AI Agent Sends 40 Tickets

System Design Basics #19 — Why Your Payment Succeeds But the Account Update Fails (Saga Pattern Expl

Forward Deployed Engineer #7 — Why Did the Dashboard Lose? The Scoring Column Everyone Skips

Forward Deployed Engineer #7 — Anecdote or Pattern?

LLMOps #14 — What are AI guardrails? Input checks, output checks, and why models can't police themse

System Design Basics #18 — What is Pub/Sub? Announce Facts, Not Commands

Forward Deployed Engineer #6 — Is That a Real Finding? Turn Vague Answers Into Numbers

Forward Deployed Engineer #6 — Who Should You Interview? The Discovery Mistake Almost Everyone Makes

LLMOps #13 — Why Your LLM Bill Exploded 60x (and What Actually Fixes It)

System Design Basics #17 — What Is a Message Queue?

Forward Deployed Engineer #5 — Where Does the Data Live? The Question Senior Leaders Can't Answer

Forward Deployed Engineer #5 — Who Feels the Pain? The Dashboard Request That Was Never the Problem

LLMOps #12 — Why Is My LLM Slow? Most of Those 5 Seconds Are One Thing

System Design Basics #16 — What is a CDN? Why Your Photos Should Never Live in Your Database

Forward Deployed Engineer #4 — When Is a Phase Done? The Sentence That Ends Discovery

Forward Deployed Engineer #4 — Why Start Building So Early? The Discovery Overlap Most Teams Miss

LLMOps #11 — Fine-Tune, RAG, or Just a Better Prompt? How to Decide

System Design Basics #15 — What is the CAP Theorem? Consistency vs Availability, Honestly

Forward Deployed Engineer #3 — What Is Ambiguity Tolerance? The Trait That Separates Two Identical R

Forward Deployed Engineer #3 — What Do Resumes Miss? The Trait That Decides Week Two

LLMOps #10 — Why Does RAG Go Stale? The Sync Job Nobody Writes

System Design Basics #14 — What is Consistent Hashing? Add a Server Without Moving Everything

Forward Deployed Engineer #2 — Who Gets the 2am Call? The One Question That Defines an FDE

Forward Deployed Engineer #2 — What Makes an FDE Different?

LLMOps #9 — Why does RAG fail? Retrieval vs Generation

System Design Basics #13 — What is Sharding? Why Copying Your Database Doesn't Fix a Full Machine

Forward Deployed Engineer #1 — How Is a Forward Deployed Engineer Measured?

Forward Deployed Engineer #1 — What's the Last Mile? Why Working Software Sits Unused

LLMOps #8 — What Breaks RAG? The Two Pipelines Behind One Answer

LLMOps #7 — What Is Tracing? Seeing Inside a Single Request

LLMOps #6 — What is LLM-as-a-Judge? The One Number You Must Publish

LLMOps #5 — What Is a Golden Set? How to Actually Test Your AI App (Evaluation, Part 1)

AI Engineer Interview: Agents #1 — When NOT to Build an Agent — The Question That Decides the Interv

AI Engineer Interview: Agents #1 — One Iteration of the Agent Loop — The Answer That Lands

AI Engineer Interview: Agents #1 — Agent vs Chain: The Interview Answer That Survives the Follow-Up

LLMOps #4 — What Is Prompt Management? One Word Broke the Bot

AI Engineer Interview: Context Engineering #4 — Debugging a 40,000-Token Context: The Interview Answ

AI Engineer Interview: Context Engineering #4 — Two Agents Hand Off — What Gets Lost? (AI Interview

AI Engineer Interview: Context Engineering #4 — What Is Context Poisoning? (AI Engineer Interview, Q

LLMOps #3 — Why Do Answers Change? Nondeterminism in LLMs

AI Engineer Interview: Context Engineering #3 — Sixty Tools Over MCP: What Actually Breaks