Pillar
Failure and Resilience
Designing around degraded dependencies, retries, and compounded failure.
Resilience is about shaping failure, not pretending to eliminate it.
Why this pillar matters
Senior engineers are often distinguished by how clearly they predict and contain cascades.
Related pillars
Migrations and Tradeoffs
How to move systems safely while cost, correctness, and timing all fight each other.
Operational Decision-Making
How capacity, cost, failure tolerance, and risk tolerance shape practical architecture choices.