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Top 45 Spring Boot Interview Questions & Answers (2026)
45 Questions
26 Beginner
13 Intermediate
6 Advanced
About Spring Boot
This technology is widely used in software development and is a frequent topic in technical interviews at companies of all sizes.
What to Expect in a Spring Boot Interview
Interviews cover both foundational concepts and practical application of this technology, with questions ranging from definitions to architectural decision-making.
How to Use This Guide
Work through questions in order of difficulty to build your understanding progressively. Bookmark challenging questions and revisit them before your interview.
Curated by Tech Baithak Editorial Team · Last updated: May 2026
Beginner
26 questions
Core concepts every Spring Boot developer must know.
01
What is Spring Boot?
02
What is the difference between Spring and Spring Boot?
03
What is auto-configuration in Spring Boot?
04
What is @SpringBootApplication annotation?
05
What are Spring Boot starter dependencies?
06
What is @RestController in Spring Boot?
07
What are Spring MVC request mapping annotations?
08
What is Spring Boot application.properties/application.yaml?
09
What is Dependency Injection in Spring?
10
What is the Spring IoC Container?
11
What are Spring stereotype annotations?
12
What is Spring Data JPA?
13
What is Spring Boot Actuator?
14
What are Spring profiles?
15
What is Spring Boot logging?
16
What is @Valid and Bean Validation in Spring Boot?
17
What is the @Entity annotation and JPA basics?
18
What is Spring Boot exception handling?
19
What is @Transactional in Spring?
20
What is the embedded server in Spring Boot?
21
What is Spring Boot DevTools?
22
What is spring.datasource configuration?
23
What is @Configuration and @Bean in Spring Boot?
24
What is Spring Boot testing with @SpringBootTest?
25
What is Spring Security basics?
26
What is @Component vs @Service vs @Repository?
Intermediate
13 questions
Practical knowledge for developers with hands-on experience.
01
What is Spring AOP (Aspect-Oriented Programming)?
02
What is Spring Boot caching with @Cacheable?
03
What is Spring Data JPA query methods and JPQL?
04
What is Spring Boot REST API best practices?
05
What is Spring Boot JWT authentication implementation?
06
What is Spring Boot with Docker?
07
What is Spring Cloud and its relationship to Spring Boot?
08
What is Spring WebFlux and reactive programming?
09
What is Spring Boot Flyway/Liquibase database migration?
10
What is Spring Boot @Async and thread management?
11
What is Spring Boot testing strategies?
12
What is Spring Boot Actuator for production monitoring?
13
What is Spring Boot microservices patterns?
Advanced
6 questions
Deep expertise questions for senior and lead roles.
01
What is Spring Boot auto-configuration internals?
02
What is Spring Security OAuth2 and JWT implementation?
03
What is Spring Boot performance optimization?
04
What is Spring Boot with Kubernetes?
05
What is Spring Boot reactive programming with R2DBC?
06
What is Spring Boot GraalVM native image compilation?
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45 questions total