← CatZep/Engineering Guides/Management & Leadership
What to look for beyond correctness.
Choose a concept, then work through an example
8 guides in this section. Each article states its audience and assumptions, explains specialized terms, and gives a worked example or practical exercise.
Technical topics distinguish toy models from product behavior. Leadership topics distinguish context-dependent frameworks from evidence and personal claims.
8 guides
Review binary, schema, and semantic compatibility across old/new readers and writers.
Schema compatibility and semantic contracts · Expand-contract migrations · Ownership, accountability, and decision rights · Preconditions and postconditions · Outputs, outcomes, and measurementReview replay, races, partial failure, and ordering at the effect's actual transactional boundary.
Idempotency keys · Offsets and checkpoints · Transactional outbox · Optimistic concurrency and compare-and-set · Fencing tokensReview whether a new behavior can be detected and explained without unsafe or excessive telemetry.
SLIs, SLOs, and error budgets · Burn-rate alerting · Cardinality · Spans and trace context · Outputs, outcomes, and measurementReview costs and failure amplification against the actual workload rather than optimizing by intuition.
Complexity and workload assumptions · Backpressure and load shedding · Outputs, outcomes, and measurement · Event loops and nonblocking I/O · Preconditions and postconditionsReview intent, correctness, maintainability, and operational/security risk with a proportionate attention budget.
Preconditions and postconditions · Decision records and reversible experiments · SBI feedback and observable behavior · Outputs, outcomes, and measurement · Ownership, accountability, and decision rightsReview data purpose, minimization, access, retention, and deletion with an explicit privacy owner.
Privacy, minimization, and pseudonymity · Authentication, authorization, and IDOR · Schema compatibility and semantic contracts · Ownership, accountability, and decision rights · Frameworks versus empirical evidenceDisagree on a design using a shared problem, evidence, alternatives, and clear decision authority.
Decision records and reversible experiments · Stakeholders and alignment · SBI feedback and observable behavior · Ownership, accountability, and decision rights · STAR and CARL interview structureReview threats, object-level authorization, input boundaries, retries, and rollout before trusting a transaction path.
Authentication, authorization, and IDOR · Privacy, minimization, and pseudonymity · Idempotency keys · Optimistic concurrency and compare-and-set · Preconditions and postconditionsNo matches. Try a broader concept or clear the search.