Skill tests
Test what you know
Short, timed multiple choice tests for developers. Free, no account needed. You get a score and an explanation for every answer.
9 tests
Backend Engineer (Node.js) Practice Test
20 multiple choice questions for Node.js backend engineers: JavaScript, HTTP, SQL, the event loop, middleware, auth and reliability.
20 questions · 20 min · pass 60%
EngineeringBackend-Focused Full-Stack Developer Practice Test
20 multiple choice questions on C# and .NET, SQL Server, ASP.NET Core, Entity Framework and databases for backend focused developers.
20 questions · 20 min · pass 60%
EngineeringDevOps Engineer Practice Test
20 multiple choice questions for DevOps engineers: Git, Docker, Linux, CI/CD, Terraform, Kubernetes, security and monitoring.
20 questions · 20 min · pass 60%
EngineeringFlutter Developer Practice Test
20 multiple choice questions for Flutter developers: Dart, widgets, state, layout, async code and app structure.
20 questions · 20 min · pass 60%
EngineeringFrontend Developer Practice Test
20 multiple choice questions for frontend developers: JavaScript, React, HTML and CSS, accessibility, Next.js and web performance.
20 questions · 20 min · pass 60%
EngineeringPython Backend Engineer (FastAPI) Practice Test
20 multiple choice questions for Python backend engineers: Python, SQL, FastAPI, validation, async code and testing.
20 questions · 20 min · pass 60%
EngineeringQA Automation Engineer Practice Test
20 multiple choice questions for QA automation engineers: test design, automation practices, API testing, bug reports and flaky tests.
20 questions · 20 min · pass 60%
EngineeringReact Native Developer Practice Test
20 multiple choice questions for React Native developers: React, JavaScript, core components, navigation, storage, releases and debugging.
20 questions · 20 min · pass 60%
EngineeringSenior Full Stack Engineer Practice Test
20 multiple choice questions for senior full stack engineers: JavaScript, React, SQL, Next.js, TypeScript, API design and security.
20 questions · 20 min · pass 60%
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