AI & quality engineering — thought by doing. Sven Thirion writes about AI agents, test automation, and engineering quality.https://blog.qa-redefined.com/en-ushttps://blog.qa-redefined.com/blog/the-shift-to-pdlc/https://blog.qa-redefined.com/blog/the-shift-to-pdlc/We ran out of stories. Our AI pipeline moved faster than product could spec new work. The bottleneck didn't disappear when we shifted left — it migrated.Tue, 18 Aug 2026 00:00:00 GMThttps://blog.qa-redefined.com/blog/who-trains-the-next-senior-engineers/https://blog.qa-redefined.com/blog/who-trains-the-next-senior-engineers/AI makes seniors faster and juniors easier to skip — right when the industry needs more seniors, not fewer. A pipeline problem, not a productivity story.Sat, 01 Aug 2026 00:00:00 GMThttps://blog.qa-redefined.com/blog/ai-engineering-methodology/https://blog.qa-redefined.com/blog/ai-engineering-methodology/Introducing the ADLC — the Agent Development Lifecycle. The loop that governs how you calibrate AI agents to produce reliable output.Thu, 30 Jul 2026 00:00:00 GMThttps://blog.qa-redefined.com/blog/ai-powered-developer/https://blog.qa-redefined.com/blog/ai-powered-developer/How 15 specialized agents go from ADO story to shipped PR — orchestration, context management, quality gates, and drift detection.Wed, 22 Jul 2026 00:00:00 GMThttps://blog.qa-redefined.com/blog/auto-mode-and-author-agents/https://blog.qa-redefined.com/blog/auto-mode-and-author-agents/Author agents enforce quality structurally — rating AI output, retrying on partial passes, and escalating when something is fundamentally wrong.Thu, 18 Jun 2026 00:00:00 GMThttps://blog.qa-redefined.com/blog/drift-detection-keeping-agent-rules-accurate/https://blog.qa-redefined.com/blog/drift-detection-keeping-agent-rules-accurate/Without a feedback loop, your agent skills teach stale patterns — or worse, propagate security rules that were never right.Thu, 28 May 2026 00:00:00 GMThttps://blog.qa-redefined.com/blog/context-management-4-tier-architecture/https://blog.qa-redefined.com/blog/context-management-4-tier-architecture/The architecture that cut per-session agent context by 85–89% — without losing a single useful rule.Sat, 02 May 2026 00:00:00 GMThttps://blog.qa-redefined.com/blog/skills-instructions-scripts/https://blog.qa-redefined.com/blog/skills-instructions-scripts/Not all agent context is the same. The difference between skills, instructions, and scripts determines whether your agent stays focused.Mon, 20 Apr 2026 00:00:00 GMThttps://blog.qa-redefined.com/blog/model-selection-matching-model-to-job/https://blog.qa-redefined.com/blog/model-selection-matching-model-to-job/Using the most powerful model for everything isn't a strategy — it's expensive and slow. Here's how to match models to tasks.Sun, 05 Apr 2026 00:00:00 GMThttps://blog.qa-redefined.com/blog/specialist-agents-vs-generalists/https://blog.qa-redefined.com/blog/specialist-agents-vs-generalists/A single generalist agent doing everything sounds simpler. It isn't. Here's why specialists produce better output and preserve context at handoffs.Tue, 10 Mar 2026 00:00:00 GMThttps://blog.qa-redefined.com/blog/ai-agents-eating-qa/https://blog.qa-redefined.com/blog/ai-agents-eating-qa/AI isn't replacing QE — it's making the discipline more essential. The judgment behind good testing is exactly what AI can't supply.Wed, 13 Aug 2025 00:00:00 GMThttps://blog.qa-redefined.com/blog/prompt-engineering-is-specification/https://blog.qa-redefined.com/blog/prompt-engineering-is-specification/Prompt engineering isn't new — it's a repackaging of everything good engineers already know about communicating intent precisely.Sat, 15 Feb 2025 00:00:00 GMThttps://blog.qa-redefined.com/blog/locked-and-loaded-artillery/https://blog.qa-redefined.com/blog/locked-and-loaded-artillery/A practical intro to Artillery — a modern load testing tool you can drop into your CI/CD pipeline. Know your code can handle the spikes.Thu, 21 Apr 2022 00:00:00 GMThttps://blog.qa-redefined.com/blog/2022-road-ahead-testing-trends/https://blog.qa-redefined.com/blog/2022-road-ahead-testing-trends/Testing trends roundtable for 2022 — what the industry expects, what's hype, and what's actually worth your attention.Thu, 13 Jan 2022 00:00:00 GMThttps://blog.qa-redefined.com/blog/terratest-your-terraform/https://blog.qa-redefined.com/blog/terratest-your-terraform/Write automated tests against your infrastructure code using LocalStack to mimic the AWS cloud environment — no AWS account needed.Thu, 11 Nov 2021 00:00:00 GMThttps://blog.qa-redefined.com/blog/manual-to-automation-engineer/https://blog.qa-redefined.com/blog/manual-to-automation-engineer/A fireside chat for manual testers breaking into automation — real stories, practical advice, and how to land that first SDET role.Thu, 20 May 2021 00:00:00 GMThttps://blog.qa-redefined.com/blog/testing-in-times-of-covid/https://blog.qa-redefined.com/blog/testing-in-times-of-covid/The pandemic changed how we work almost overnight — and its impact on quality engineering, our roles, and our processes ran deep.Thu, 28 Jan 2021 00:00:00 GMThttps://blog.qa-redefined.com/blog/automated-functional-api-testing/https://blog.qa-redefined.com/blog/automated-functional-api-testing/A hands-on workshop walking from manual Postman collections to running automated functional API tests in a CI/CD pipeline with Newman and Docker.Tue, 21 Jan 2020 00:00:00 GMThttps://blog.qa-redefined.com/blog/contract-testing-pact/https://blog.qa-redefined.com/blog/contract-testing-pact/Contract tests verify integrations will keep working — even when teams deploy independently. A practical guide to Pact and Pact Broker.Tue, 19 Jun 2018 00:00:00 GMThttps://blog.qa-redefined.com/blog/qa-to-qe-to-sdet/https://blog.qa-redefined.com/blog/qa-to-qe-to-sdet/Quality Assurance was a checkpoint. Quality Engineering is a discipline. SDET is how it's practiced — in code, not process docs.Tue, 08 Nov 2016 00:00:00 GMThttps://blog.qa-redefined.com/blog/valuable-unit-tests/https://blog.qa-redefined.com/blog/valuable-unit-tests/The tests that actually catch bugs are the ones nobody wants to write — negative cases, boundary conditions, and data-driven permutations.Tue, 10 Feb 2015 00:00:00 GMThttps://blog.qa-redefined.com/blog/hidden-cost-of-coverage/https://blog.qa-redefined.com/blog/hidden-cost-of-coverage/High coverage metrics feel safe. But chasing 100% can give you a false sense of security while hiding the tests that actually matter.Sun, 22 Sep 2013 00:00:00 GMThttps://blog.qa-redefined.com/blog/integration-testing-at-scale-gtac/https://blog.qa-redefined.com/blog/integration-testing-at-scale-gtac/Selected for GTAC 2013 at Google NYC — how we used code injection to track which APIs our automated tests actually exercised.Tue, 23 Apr 2013 00:00:00 GMThttps://blog.qa-redefined.com/blog/testing-pyramid/https://blog.qa-redefined.com/blog/testing-pyramid/Most teams have an inverted pyramid — heavy on E2E, light on unit tests. Here's how to audit and rebalance the test portfolio.Mon, 14 May 2012 00:00:00 GMThttps://blog.qa-redefined.com/blog/api-testing-without-ui/https://blog.qa-redefined.com/blog/api-testing-without-ui/Before Postman was mainstream, we were already testing APIs directly — faster, more reliable, and sometimes the UI simply doesn't exist yet.Sun, 15 Aug 2010 00:00:00 GMThttps://blog.qa-redefined.com/blog/nomen-est-omen/https://blog.qa-redefined.com/blog/nomen-est-omen/What's in a name? Why QA gets treated as a cost rather than a contributor — and why the discipline needs redefining.Sat, 21 Mar 2009 00:00:00 GMT