Big-Tech Engineering Standards (Google/Apple/OpenAI) for portfolio-quality code. Use when: performing code reviews or reviewing PRs; writing design documents or ADRs; planning new features (> 50 LOC); designing APIs or defining contracts; adding observability (logs, metrics, traces, SLOs, alerting); structuring test suites (testing pyramid, 70/20/10 ratio, mutation testing, benchmarks); writing runbooks or post-mortems; evaluating LLM features with evals; checking privacy or GDPR data handling; demonstrating Big Tech engineering practices.
2026-03-23