Backend
13 sections4,661 questions
Server-side engineering across the JVM, Python, Node, PHP, Ruby, .NET, Go, Rust and Swift: web frameworks and runtimes, data access, API tooling, auth, messaging, background jobs, resilience, observability, dependency injection and concurrency. Interviewers spend most of a backend loop somewhere in this area, because it is where correctness, latency and failure handling all meet.
explore
- Web Frameworks3,935 questions
- Spring Framework (has its own guide)2,380 questions
- Quarkusempty
- Ktor29 questions
- Javalinempty
- Play Frameworkempty
- Vert.xempty
- http4sempty
- Tapirempty
- Scalatraempty
- Akkaempty
- Pekkoempty
- Django (has its own guide)556 questions
- Django REST Framework (has its own guide)71 questions
- Django Ninja19 questions
- FastAPIempty
- Flaskempty
- Pyramidempty
- Sanicempty
- Tornadoempty
- aiohttpempty
- Express.jsempty
- Fastifyempty
- NestJSempty
- Honoempty
- Itty Routerempty
- Laravel581 questions
- Symfonyempty
- Yiiempty
- Livewire49 questions
- Ruby on Railsempty
- Sinatra6 questions
- Rack6 questions
- ASP.NET Coreempty
- .NET Aspireempty
- SignalR Coreempty
- Orleansempty
- YARPempty
- Ocelotempty
- Steeltoeempty
- ginempty
- echoempty
- fiberempty
- beegoempty
- Actixempty
- Axumempty
- Rocketempty
- Locoempty
- hyperempty
- Vaporempty
- Hummingbirdempty
- Venomempty
- Web Framework Concepts238 questions
- Server Runtimes & Process Management35 questions
- ORM & Data Access478 questions
- Hibernate (has its own guide)253 questions
- JDBC6 questions
- EBeanempty
- Slickempty
- Doobieempty
- ScalikeJDBCempty
- Prismaempty
- Drizzleempty
- TypeORMempty
- Sequelizeempty
- Mongooseempty
- Knexempty
- NHibernateempty
- Dapperempty
- Martenempty
- Dieselempty
- sqlxempty
- GORMempty
- pgxempty
- Data Access & ORM Concepts219 questions
- API Tooling6 questions
- HotChocolate6 questions
- GraphQL .NETempty
- Scalarempty
- Validationempty
- Zodempty
- Pydanticempty
- FluentValidationempty
- Authentication & Authorization152 questions
- Server-Side Sessions22 questions
- Token Handling25 questions
- OAuth2 & OIDC Integration18 questions
- Access Control Models & Enforcement34 questions
- Credentials & Multi-Factor24 questions
- Workforce Identity29 questions
- MassTransitempty
- NServiceBusempty
- MediatRempty
- Background Jobs & Scheduling43 questions
- Logging & Observability12 questions
- Daggerempty
- AutoFacempty
- AutoMapperempty
- Mapperlyempty
- Backend-as-a-Serviceempty
- Supabaseempty
→ has its own guide