Interview Questions by Subject

Manual Testing

Test design, SDLC/STLC, defect life cycle and strategy questions every round starts with.

JavaScript

Async/await, promises, closures and the event loop as used in modern test code.

TypeScript

Types, interfaces and generics that keep a Playwright framework refactor-safe.

Java

OOP, collections, streams and exception handling — the coding round core.

Python

pytest fixtures, markers, parametrize and requests-based API tests.

Playwright

Fixtures, projects, auto-waiting, tracing and parallel execution.

Selenium

Waits, locators, stale elements, Shadow DOM, windows and Grid.

TestNG

Annotations, listeners, retry analyzer, data providers and parallel suites.

API Testing

HTTP methods, status codes, auth, contracts and negative testing.

Postman

Collections, environments, scripts, chaining and Newman in CI.

REST Assured

Given/when/then, specs, schema validation, POJO serialisation and auth.

Maven

Lifecycle, surefire vs failsafe, profiles and dependency scope.

Git

Branching strategy, rebase vs merge, conflict resolution and PR hygiene.

Framework Design

Layers, POM, driver factory, config, data and reporting — the senior differentiator.

Jenkins / CI-CD

Declarative pipelines, parallel stages, gating, reporting and secrets.

Docker / Cloud

Containerised suites, Selenium Grid on compose and cloud device farms.

Mobile Testing

Device matrix, native vs hybrid, gestures, permissions and interrupts.

Appium

Architecture, drivers, locator strategy and context switching.

Performance

Load vs stress vs soak, percentiles, bottleneck analysis and SLAs.

JMeter

Thread groups, correlation, non-GUI runs and reading the HTML dashboard.

Security

OWASP basics, SCA/SAST in pipelines and authorisation tests.

SQL

Joins, aggregates, subqueries and back-end data validation.