Articles
In-depth guides, tutorials, and insights to help you test smarter.
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Why high performance computing (HPC) testing swaps exact assertions for invariants and tolerance bands, and which cluster faults surface only at full scale.
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Pin what you can control, sample what you cannot, and gate CI on a pass rate. A practical guide to testing AI systems that never repeat themselves.
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The QA metrics worth tracking, the formula behind each one, what counts as a good number, and the four ways a metrics program starts to lie to you.
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Agent management is applied QA. Every technical job is turning into it, and testers already have the instinct. Here's the skill map and the honest caveats.
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AI agent manager salaries run roughly $55k to $175k, but every source quotes a different number. Here's why they disagree and which figure applies to you.
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An AI agent manager supervises a fleet of AI agents like a team. Here's the real job, the skills, the pay, and why QA people have the head start.
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21 Cypress interview questions with sample answers for 2026 QA and SDET loops, plus the architecture question that separates users from understanders.
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Six Selenium interview questions with sample answers for 2026 QA and SDET loops, including the parallelism trap that separates seniors from tutorial readers.
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What to actually test in your database, when API tests cover you and when they don't, the architectural smells to catch, and the interview questions that filter for real database experience.
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20+ Playwright interview questions with sample answers for 2026 QA and SDET loops, plus the scaling question most candidates never think about.
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The QA and SDET interview questions that filter candidates in 2026: framework design, AI-augmented testing, and the answers that actually pass.
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The 2026 adoption numbers, the 200-test benchmark, the honest deal-breaker for each, and which one to choose for a new project this year.
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Line vs branch vs MC/DC coverage, where the 80% target came from, and how to use coverage as a diagnostic instead of a gate.
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AI didn't kill QA. It collapsed the distance between developers and the tests they should always have owned. Here's what the new center of gravity looks like.
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You just asked Claude Code or Cursor to build a feature. It ran your tests. They passed. Now what? A concrete, no-QA-background-required workflow for verifying agent-produced code without becoming a full-time tester.
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The short version: no. The long version explains what's actually changing, what to learn first, and what to say when your CTO asks about headcount.
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The SDET role is more valuable than it was five years ago. But the job title now covers three genuinely different jobs, and reading a job listing that just says 'SDET' tells you almost nothing.
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The six fields that separate a bug report that ships this sprint from one that dies in triage. A practical checklist from years of QA and SDET work.
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What defect density measures, how to calculate it (with worked examples), what counts as a good number, how to weight it by severity, and where the metric misleads.