QA Engineer skills

Essential skills

Test planning and execution — Employers check how you turn requirements into clear test cases and run them systematically.
Bug reporting — Employers look for reports that explain how to reproduce an issue, what you expected, and what happened.
Attention to detail — Employers may assess whether you spot inconsistencies, edge cases, and unclear requirements in a sample task.
Requirements analysis — Employers check whether you can identify gaps, ambiguities, and testable acceptance criteria.
Regression testing — Employers ask how you verify that changes have not broken existing functionality.
Product and user perspective — Employers assess whether you consider how real people use the product, including unusual inputs and workflows.

Testing types and methods — Employers may ask you to explain when you would use functional, exploratory, usability, or performance testing.
Test management and issue-tracking tools — Employers check your familiarity with organizing test cases, recording results, and tracking defects.
API testing — Employers may ask you to inspect requests and responses, validate status codes, and test error cases.
SQL and data checks — Employers may assess whether you can query data and verify that application actions produce the expected results.
Automation — Employers may ask you to write, review, or explain automated tests and how you keep them reliable.
Browser and platform testing — Employers check whether you can identify differences across browsers, devices, or operating environments.
CI/CD and version control basics — Employers may ask how tests fit into a development workflow and how you work with code changes.
Accessibility and security awareness — Employers may check whether you recognize common accessibility barriers and basic security risks.

Clear communication — Employers assess how clearly you explain defects, risks, and test results in writing and conversation.
Critical thinking — Employers may give you a scenario and check how you prioritize what to investigate.
Collaboration — Employers ask how you work with developers, product teams, and other testers to resolve issues.
Curiosity — Employers look for thoughtful questions and evidence that you explore beyond the obvious user path.
Adaptability — Employers may ask how you respond when requirements, timelines, or priorities change.
Time management — Employers check how you balance thorough testing with deadlines and changing priorities.
Constructive disagreement — Employers assess whether you can raise quality concerns with evidence and a practical tone.

Designed and executed test cases for [product or feature], covering core workflows, edge cases, and acceptance criteria.
Documented and tracked defects with clear reproduction steps, expected results, and supporting evidence.
Created or maintained [automated/API/data] tests to verify [specific behavior or workflow].

Practise testing a website or app by writing test cases for common tasks, edge cases, and error conditions.
Learn a test-management or issue-tracking tool and create sample test plans and defect reports.
Build technical foundations in SQL, API testing, browser developer tools, and one automation framework.
Review accessibility basics and practise checking keyboard navigation, labels, and readable error messages.
Work on small projects with others, ask clarifying questions, and explain findings in concise written reports.
Keep examples of your work, such as test cases, sample bug reports, and a small testing portfolio.

See which skills you still need for your target role.