Vibe Engines Learn
LEARNING PATH · Foundations

From Manual Tester to SDET

For manual QA testers moving into software development engineer in test (SDET) / automation.

Beginner ~2h 45m8 lessons8 steps

A persona-framed path that starts from the test design you already know, adds your first code and automation, and threads through the QA/SDET roadmap and the AI-era QA shift — the honest route from clicking through test cases to engineering the systems that test.

  • Build on the test-design judgment you already have
  • Write your first real code and automate what you used to do by hand
  • Adopt the SDET mindset: build the thing that checks correctness
  • Understand how AI reshapes QA — and where your judgment stays valuable
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  1. RoadmapNext up

    QA / SDET Roadmap

    Your destination map — start from the test design you already know.

  2. Challenge

    Fizz Buzz

    Your first code: the classic warm-up, in a runnable editor.

  3. Challenge

    Two Sum

    Level up to real problem-solving in code.

  4. Challenge

    Config Validator

    Automate a real check — build tooling the way an SDET does.

  5. Challenge

    Write a Verifier

    The SDET mindset: build the thing that checks correctness automatically.

  6. Handbook

    The AI-Era QA Engineer

    How AI changes QA — and the judgment that stays yours.

  7. Handbook

    AI-Assisted Interviews

    The 2026 interview: working with AI in the room.

  8. Handbook

    The Resume & Portfolio Handbook

    Present the shift as an engineer — a portfolio of real automation.

Manual testers already own the thing that’s hardest to teach and hardest to automate: test-design judgment — knowing what to test, what could break, and what "done" means. The move to SDET isn’t abandoning that; it’s adding the code and automation that let you apply it at scale. This path is ordered so you build on your strength instead of starting from zero.

You begin at the destination (the QA/SDET roadmap), write your first real code, pick up the shell and Git as automation tools, then internalize the SDET mindset by building a verifier. It finishes on the AI era — where rote test execution automates but test strategy, exploratory judgment, and testing non-deterministic AI systems become more valuable — plus the interview and a portfolio that presents you as the engineer you’re becoming.

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