The Complete Playwright + TypeScript Skills Checklist for Your SDET Interview
For your SDET interview in 2026, mastering Playwright with TypeScript is the highest-ROI preparation you can do. This checklist covers every skill area interviewers assess — from web automation to API testing to CI/CD integration.
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Contents
Core Playwright Skills
- Browser context management and parallel execution
- Locator strategies: getByRole, getByLabel, getByTestId
- Assertions with expect: toBeVisible, toHaveText, toHaveURL
- Network interception with page.route()
- API testing with request context
- Visual regression with toHaveScreenshot()
- Mobile emulation and responsive testing
TypeScript Fundamentals Interviewers Test
- Interfaces and type definitions for Page Objects
- Generics for reusable test utilities
- Async/await patterns and Promise handling
- Enums for test configuration and data
- Union and intersection types for flexible test helpers
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CI/CD Integration Questions
- GitHub Actions YAML for Playwright with sharding
- Docker containerization for consistent test environments
- Test parallelization and reporting strategies
- Artifact upload for screenshots and traces
10 Common SDET Interview Questions
- Write a stable login test that handles loading states
- Mock an API response and verify UI updates accordingly
- Handle an iframe interaction in Playwright
- Implement a file upload test with validation
- Create a Page Object Model for a multi-step form
- Write a test that validates API response schema
- Set up test fixtures for authenticated vs unauthenticated flows
- Debug a flaky test using Playwright traces
- Configure parallel test execution across browsers
- Implement visual regression testing for a responsive component
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