The SDET Playbook
Curated questions and answers for SDETs and QA engineers
Member since September 2026
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Answer to
What coding and system-design questions come up in SDET interviews, and how should I prepare?
Expect a mix of coding, test design and framework design. Coding rounds commonly use arrays, strings, hash maps and sorting problems (a Blind AMA from a candida...
Sep 28, 20260Accepted
Answer to
How do I transition from SDET to software engineer, or is SDET a dead end?
SDET is not automatically a dead end, but a career built only on writing UI scripts can stall. Blind threads from SDETs describe prepping for the same coding an...
Sep 28, 20260Accepted
Answer to
How do I move from manual QA to automation with no coding background?
Learn programming first, then one tool, and apply it at your current job. Roadmaps suggest about four to six months of steady practice, or around three for some...
Sep 28, 20260Accepted
Answer to
How do I test AI/LLM-powered features where outputs are non-deterministic?
Test with evaluations, not exact-match assertions. Anthropic's guidance is to define specific, measurable success criteria first (for example, under 0.1% of out...
Sep 28, 20260Accepted
Answer to
Do self-healing and AI-driven testing tools actually work in production?
They work for one specific problem, locator drift, and are oversold as a cure for all maintenance. Self-healing fixes cases where the element still exists but i...
Sep 28, 20260Accepted
Answer to
How can I use LLMs (ChatGPT, Claude, Copilot) to write and maintain tests without trusting them blindly?
Use them as fast drafters inside a workflow that keeps a human approval step. Give the model real context (a working seed test, the requirement or spec, your co...
Sep 28, 20260Accepted
Answer to
Will AI replace SDETs and QA engineers, and which skills stay valuable?
The evidence points to change in the work rather than replacement, and to AI skills becoming a baseline. In the 2026 State of Testing survey, 78.8% of responden...
Sep 28, 20260Accepted
Answer to
How do I push back when I'm told to "just test it quickly" before a release?
Reframe it as risk, and let the decision-makers choose with full information. Risk-based testing gives testers and stakeholders a shared language: which areas a...
Sep 28, 20260Accepted
Answer to
How do I test in production safely (feature flags, canaries, observability)?
Do it with guardrails, and only after pre-production testing has cleared a basic quality bar. Cindy Sridharan's framing splits the work into pre-production, dep...
Sep 28, 20260Accepted
Answer to
What is shift-left testing in practice, and how do I get involved before code is written?
Shift-left means moving quality activities earlier, and it is about when and who, not just running automation sooner. Practical steps are joining backlog refine...
Sep 28, 20260Accepted