How to become a QA tester with no experience: a practical roadmap
A practical beginner QA roadmap: test design, bug reports, DevTools, API, SQL, Git and automation, with evidence to build before applying.
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QA roadmaps, practice, interviews, SQL and API testing
Detailed guides for junior and middle QA: a career roadmap, an evidence-based portfolio, theory, interviews, SQL, REST APIs, AI and LLMs, Playwright, bug reports, test design, and regression.
QA portfolio without experience: a complete example and template
Build a credible beginner QA portfolio with a complete repository example, README, test evidence, bug report and downloadable template.
Read βAI in software testing in 2026: a practical guide for QA engineers
How QA engineers can use ChatGPT and other LLMs for requirements, test design, API, SQL and automation while validating answers and protecting data.
Read βHow to test AI and LLM applications: evals, RAG, and prompt injection
A practical guide to AI product testing: nondeterminism, evaluation datasets, hallucinations, RAG, prompt injection, security, metrics, and interviews.
Read βPlaywright for testers: UI and API automation from scratch
Practical Playwright for manual QA: setup, locators, fixtures, APIRequestContext, Page Objects, traces, CI, flaky tests, and interview questions.
Read βREST API testing checklist: practical checks, examples and interview answers
A systematic REST API testing checklist for QA: contract, methods, status codes, validation, authorization, idempotency, integrations, performance and automation with examples.
Read βSQL for QA engineers: queries, database checks and interview tasks
A practical SQL guide for QA engineers: a training schema, SELECT, JOIN, NULL, GROUP BY, duplicates, transactions, database checks and interview exercises with answers.
Read βHow to write test cases and checklists: web and API examples
A practical guide to test cases and QA checklists: fields, test data, expected results, negative tests, review criteria and interview answers.
Read βSoftware testing theory for interviews: reasoning for QA engineers and developers
Learn testing theory through 24 QA and developer interview questions: test design, SQL, APIs, transactions, automation and worked answers with concrete examples.
Read βQA mock interview 2026: 40 Junior and Middle tester questions
A 2026 QA mock interview with 40 theory, test design and API questions, detailed answers, scoring criteria, red flags and a preparation plan.
Read βPostman and API testing at a QA interview: what to know and practise
A practical Postman checklist for QA interviews: methods, headers, body, auth, variables, status codes, response schema and common API bugs.
Read βRegression testing by risk: what to run when there is not enough time
How middle QA engineers choose a regression scope before release: risk, recent changes, money flows, access rights and defect history.
Read βAuthentication vs authorization: how QA should test access rights
A practical guide to testing login, tokens, roles and object ownership in web and API products. With a visual checklist for access bugs.
Read βBoundary values and equivalence classes: how to apply them in practice
Two basic test design techniques on real API requests: how to cut down the number of values to try and where to look for the boundaries almost everything breaks on.
Read βHow to write a bug report that gets accepted: structure, steps and common mistakes
A defect report taken apart piece by piece: the title, the steps to reproduce, the expected and the actual result. With examples of poor and good wording.
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