Tech Lead Interview Questions

6,218 tech lead interview questions shared by candidates

What is functional programming, functional interface in java 8 print the square of each even number input.stream(p1 ->).filter(num % 2 == 0).forEach(System.print.out()) What are terminal and non terminal operators What kind are the ways of using multithreading in java What are different kinds of threadpool How are the client API routed to different services What kind of LB supports this How did one service know the endpoint of another service How did the properties file get filled for each service, on stage, dev, and prod
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Tech Lead

Interviewed at Deutsche Telekom

3.8
Oct 7, 2024

What is functional programming, functional interface in java 8 print the square of each even number input.stream(p1 ->).filter(num % 2 == 0).forEach(System.print.out()) What are terminal and non terminal operators What kind are the ways of using multithreading in java What are different kinds of threadpool How are the client API routed to different services What kind of LB supports this How did one service know the endpoint of another service How did the properties file get filled for each service, on stage, dev, and prod

Lambda Expressions, Streams with Filter, Collection Classes usage, Spring Dependency Injection & IOC, Spring Boot Application advantages, Spring Boot Annotations, JPA vs Hibernate, Restful Webservices Basic joins query in Oracle SQL.
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Tech Lead

Interviewed at Tech Mahindra

3.4
Oct 25, 2022

Lambda Expressions, Streams with Filter, Collection Classes usage, Spring Dependency Injection & IOC, Spring Boot Application advantages, Spring Boot Annotations, JPA vs Hibernate, Restful Webservices Basic joins query in Oracle SQL.

Only 2 technical rounds : 1. Stream API 2. Database connection with 2 Db in spring boot 3. Why spring boot ? 4. RequestMapping and jwt token 5. Comparator comparable 6. Map struct 7. DTO 8. System design : SAGA, strangler, Builder, SOLID principals
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Tech Lead JAVA

Interviewed at Coforge

3.7
Jun 18, 2023

Only 2 technical rounds : 1. Stream API 2. Database connection with 2 Db in spring boot 3. Why spring boot ? 4. RequestMapping and jwt token 5. Comparator comparable 6. Map struct 7. DTO 8. System design : SAGA, strangler, Builder, SOLID principals

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