A QA Engineer finds problems in software before users do, and helps the team decide when a product is ready to ship. You will learn to think like a curious skeptic: read requirements closely, ask what could go wrong, design tests that prove it, write clear bug reports, and then automate the repetitive checks so the team can move fast. The path goes in order: testing fundamentals and bug reporting, then SQL, APIs and basic scripting for your first job, then test automation and CI, then performance, security and test strategy, and finally leading quality for a team. Almost everything here is lea
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Every stage from beginner to expert, with lessons, practice drills, projects, interview questions and free resources. Free with a Rolearch account.
Stage 1 of 4 · about 8 weeks
Understand the software development life cycle, Agile and Scrum, test levels (unit, integration, system, acceptance), and test design techniques (equivalence partitioning, boundary value analysis, decision tables). Write a clear bug report and manual test cases, and run exploratory testing sessions on real websites and apps.
SDLC, Agile and Scrum for testers
Testing only makes sense when you know where it sits in the process. Knowing when requirements are written, when code is built, and when releases happen tells you when to ask questions and when to test.
Test design techniques
You can never test everything. These techniques let you pick a small set of tests that still finds most bugs, and they are what interviewers ask about first.
Writing manual test cases
A test case is how you make your testing repeatable and reviewable. Teams, auditors, and new hires depend on tests that anyone can run and get the same answer.
Writing clear bug reports
A bug is only useful if a developer can reproduce and fix it quickly. Your reports are the main thing developers see of your work, so clarity builds trust.
Exploratory testing
Scripted tests only find what you thought of in advance. Exploratory testing lets you learn the product and test at the same time, and it often finds the most surprising bugs. Employers value testers who can do it well.
Then 3 more stages (about 70 weeks in all) with lessons, drills, projects, 10 interview questions with strong answers and free resources.