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.
25 tests
AI and Automation Engineer Practice Test
20 multiple choice questions for AI and automation engineers: Python, LLM basics, RAG, tool calling, evaluation and reliable workflows.
20 questions · 20 min · pass 60%
AI & DataData Analyst (SQL and Power BI) Practice Test
20 multiple choice questions for data analysts: SQL, Power BI and DAX, data modelling, statistics and clear reporting.
20 questions · 20 min · pass 60%
AI & DataData Engineer Practice Test
20 multiple choice questions for data engineers: SQL, Python, pipelines, warehouses, orchestration, data quality and streaming.
20 questions · 20 min · pass 60%
AI & DataMachine Learning Engineer Practice Test
20 multiple choice questions for machine learning engineers: Python, SQL, evaluation, overfitting, metrics, data leakage and deployment.
20 questions · 20 min · pass 60%
AI & DataWorkflow Automation Developer Practice Test
20 multiple choice questions for workflow automation developers: webhooks, APIs, JSON, error handling and building reliable automations.
20 questions · 20 min · pass 60%
DesignUI/UX Designer Practice Test
20 multiple choice questions for UI and UX designers: usability, research, visual design, accessibility, Figma and design systems.
20 questions · 20 min · pass 60%
EngineeringBackend 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%
FundamentalsGit and Web Basics Test
20 multiple choice questions on Git workflows, HTTP, status codes, cookies, CORS and basic web security.
20 questions · 20 min · pass 60%
FundamentalsJavaScript Fundamentals Test
20 multiple choice questions on core JavaScript: variables, types, arrays, closures, promises and the event loop.
20 questions · 20 min · pass 60%
FundamentalsPython Basics Test
20 multiple choice questions on Python: types, collections, functions, comprehensions, exceptions and common pitfalls.
20 questions · 20 min · pass 60%
FundamentalsReact Fundamentals Test
20 multiple choice questions on React: components, props and state, hooks, effects, lists and rendering.
20 questions · 20 min · pass 60%
FundamentalsSQL Basics Test
20 multiple choice questions on SQL: filtering, joins, grouping, NULL, indexes, transactions and safe queries.
20 questions · 20 min · pass 60%
HRTechnical Recruiter Practice Test
20 multiple choice questions for technical recruiters: sourcing, understanding tech roles, screening, fair hiring, candidate experience and offers.
20 questions · 20 min · pass 60%
MarketingDigital Marketing and SEO Specialist Practice Test
20 multiple choice questions for digital marketing and SEO specialists: on-page and technical SEO, analytics, content, email and campaigns.
20 questions · 20 min · pass 60%
OperationsTechnical Project Manager Practice Test
20 multiple choice questions for technical project managers: agile and Scrum, estimation, risk, scope control, stakeholders and delivery.
20 questions · 20 min · pass 60%
ProductBusiness Analyst Practice Test
20 multiple choice questions for business analysts: requirements, user stories, acceptance criteria, process modelling and stakeholder work.
20 questions · 20 min · pass 60%
SalesBusiness Development Executive Practice Test
20 multiple choice questions for business development executives: outreach, discovery calls, qualifying leads, proposals and pipeline habits.
20 questions · 20 min · pass 60%
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