QuACS.tech

Quality Assurance Case Studies - just QuACS... facts.
Hands-on quality engineering — from test strategy to AI workflows.

Case studies, processes, and honest reflections from a senior QA engineer working at the intersection of quality, agile, and AI. Experienced yet still eager to learn.

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Shift-left-left: quality starts when you walk through the door
Shift left is about moving quality earlier in the development cycle. Shift-left-left is about moving it earlier than that — into the culture, the conversations, and the mindset people bring to work every morning.
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AI Digest — 2026-06-01
Weekly AI digest — 23 stories filtered to your interests across 8 sources.
AI Digest — 2026-05-25
Weekly AI digest — 0 stories filtered to your interests across 8 sources.
AI Digest — 2026-05-18
Weekly AI digest — 18 stories filtered to your interests across 8 sources.
AI Digest — 2026-05-11
Weekly AI digest — 18 stories filtered to your interests across 8 sources.
AI Digest — 2026-05-04
Weekly AI digest — 18 stories filtered to your interests across 8 sources.
AI Digest — 2026-04-27
Weekly AI digest — 23 stories filtered to your interests across 8 sources.
AI Digest — 2026-04-26
Weekly AI digest — 27 stories filtered to your interests across 9 sources.
AI Digest — 2026-04-22
Weekly AI digest — 47 stories filtered to your interests across 9 sources.
Testing a data migration nobody should notice: part 1 — the problem
When an API project needs to change its data source without the customer noticing, unit tests are not enough. This is the story of how I built a custom comparison pipeline to close that gap — alone, incrementally, and with a little help from ChatGPT.
Working MVP in 90 minutes — Lovable, Anthropic API, and knowing what you want to build
How I went from idea to working MVP in a single evening — and why the 90 minutes was the easy part.