Case desk

Search titles, industries, or keywords—each block mirrors how we document internal retrospectives.

Cooling flaky deploys for a cards API

Payments

Challenge

Nightly builds masked real defects because retries hid database drift.

Intervention

Introduced Pytest markers separating transactional suites from integration slices; published minute-cost table per stage.

Outcome

Median green build time dropped 18% while defect escape rate to staging fell in the following quarter (internal survey).

Visual regressions without designer burnout

Health software

Challenge

Designers were asked to eyeball every release branch diff.

Intervention

Playwright visual guardrails with tolerances per component family plus trace bundles attached to PRs.

Outcome

Design review hours per release trimmed; engineering reported clearer ownership of baseline updates.

Contract tests that legal could read

Logistics

Challenge

Partner API changes arrived via email instead of versioned artifacts.

Intervention

Pact broker with anonymized fields and can-i-deploy integrated into release checklist.

Outcome

Rollback events tied to contract mismatch decreased; support tickets referencing silent schema shifts stabilized lower.

Performance budgets tied to customer wording

Retail marketplace

Challenge

Graphs looked healthy while checkout complaints referenced perceived lag.

Intervention

k6 scenarios named after support macros; thresholds aligned to those phrases.

Outcome

Product and QA shared a single threshold changelog; fewer midnight pages for non-actionable noise.

Detox runs that survived Metro churn

Consumer mobile

Challenge

CI failures spiked whenever Metro changed reload semantics.

Intervention

Pinned detox configuration lab with artifact video and documented retry policy.

Outcome

Mobile release train reinstated weekly cadence after three stable cycles.