Books & Guides
Practical books and guides designed to help QA engineers build stronger technical skills, prepare for senior roles and think more like engineers.
A practical guide for QA engineers who want to think beyond test execution.
Learn how to understand the product you test, think like an engineering contributor and move from executing assigned tests toward owning quality.
Who it's for
QA engineers with roughly 1–4 years of experience who want to build stronger product and engineering skills.
How to design testable, scalable and reliable systems — and answer system design questions in QA interviews.
A practical system-design guide built specifically around the QA and SDET perspective, including architecture, scalability, reliability, observability and interview communication.
Who it's for
Senior QA, SDET and automation engineers preparing for system design interviews or moving toward technical leadership.
A structured collection of problems designed around senior-level QA interviews.
Automation architecture, Java, API testing, debugging, CI/CD, performance, system design and engineering leadership scenarios.
Who it's for
QA engineers targeting Senior QA, SDET and senior automation roles.
Design maintainable and scalable automation systems.
A deeper guide to framework architecture, execution infrastructure, test data, parallelization, observability and CI/CD.
Who it's for
Automation engineers and senior QA engineers responsible for automation architecture.
Go beyond status-code testing.
Understand API architecture, microservices, contracts, integration testing, test data, failures and distributed-system testing.
Who it's for
QA engineers working with modern APIs and microservice-based applications.
A practical guide to testing AI-powered applications.
Explore LLM evaluation, AI agents, evaluation datasets, hallucinations, prompt injection, AI regression testing and production quality monitoring.
Who it's for
QA engineers moving into AI testing and quality engineering for AI-powered products.
The QASimplified Library
Each guide focuses on a specific skill that becomes increasingly important as you move from test execution toward senior QA, SDET and technical leadership roles.