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Ingeniero Full Stack Senior Interview Questions

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1,780 ingeniero full stack senior interview questions shared by candidates

Front-end and back-end questions were asked. Java Servlets, Concurrent API, Java APIs in general, how to handle deadlock and multithreading. Questions about Service-oriented Architecture (SOA), Microservices and JAX-WS with XML. What is the difference between RESTful and SOAP-based web services in Java?
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Senior Full-stack Java Developer

Interviewed at Publicis Sapient

3.4★
Jun 16, 2021

Front-end and back-end questions were asked. Java Servlets, Concurrent API, Java APIs in general, how to handle deadlock and multithreading. Questions about Service-oriented Architecture (SOA), Microservices and JAX-WS with XML. What is the difference between RESTful and SOAP-based web services in Java?

1) Java 11, 17, and 21 features. 2) What is the use of Optional? 3) What are intermediate and terminal operations? 4) In an interface, what is the purpose of default and static methods? 5) What is the Builder pattern? 6) How do you create an immutable class? 7) How do you share requests from one microservice to another? 8) Write a program to find the 2nd largest numbers in an unsorted array without using an inbuilt sort function. 9) How can we restrict a list from being modified? 10) What is transient? 11) What is volatile? 12) put vs patch ?
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Senior Java Full Stack Engineer

Interviewed at CRISIL

3.8★
Jul 11, 2025

1) Java 11, 17, and 21 features. 2) What is the use of Optional? 3) What are intermediate and terminal operations? 4) In an interface, what is the purpose of default and static methods? 5) What is the Builder pattern? 6) How do you create an immutable class? 7) How do you share requests from one microservice to another? 8) Write a program to find the 2nd largest numbers in an unsorted array without using an inbuilt sort function. 9) How can we restrict a list from being modified? 10) What is transient? 11) What is volatile? 12) put vs patch ?

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