Chapter 10 — Principal Engineer Interview Preparation
Purpose
[stub: principal-engineer-interview-prep]
Metadata
| Author | Amit Singh |
| Scope | system-design |
Local graph
Related notes
Chapter 1 — Architectural Decision Records
Why an ADR outlives the meeting that produced it, and the Context/Decision/Consequences structure that makes one actually useful later.
Chapter 3 — Build vs. Buy
The decision framework for build-vs-buy that goes beyond cost — differentiation, lock-in, and long-term maintenance burden.
Chapter 6 — Engineering Economics
Framing technical decisions in terms of cost, risk, and opportunity cost so they're defensible to a non-engineering stakeholder.
Chapter 2 — Evolutionary Architecture
Designing for incremental change rather than a big-bang rewrite, and the fitness functions that keep an architecture from drifting.