Article series
Multi-part guides written to be read in order. New parts are added as they publish.
API Contracts in Practice
Eight practical guides to OpenAPI, JSON Schema, consumer contracts, negative cases, API security, and AI-assisted drift analysis.
JVM Quality Architecture
Eight guides to JUnit architecture, Gradle test suites, Testcontainers, parallel isolation, virtual-thread behavior, and AI-generated test review.
Playwright Reliability Lab
Eight evidence-first guides for building Playwright suites that survive UI change, parallel CI, network variability, and AI-assisted authoring.
Python Test Systems
Eight pytest-centered guides for fixture design, parametrization, async isolation, property tests, parallel workers, and AI-assisted review.
TypeScript Quality Engineering
Eight guides to runtime validation, Vitest layers, browser mode, typed contracts, module isolation, and agent-safe TypeScript test generation.