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9,196 backend developer interview questions shared by candidates

What do you know about Data Mesh? * What is dependency injection? * What is your daily task at your current company? * what are the new features added in Java 8 or newer? * What do you look for when you do code reviews? * What will you do if someone puts 20 comments on your MR and not on others? * How did you implement data mesh? What technologies? * Why did you use Kafka? What other technologies can be used? * What is your take on Google app engine? * What do you like sql or noSQL? Why? * When do you use sql and when NoSQL?
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Java Backend Developer

Interviewed at NetConomy Software & Consulting

4.2★
Dec 19, 2022

What do you know about Data Mesh? * What is dependency injection? * What is your daily task at your current company? * what are the new features added in Java 8 or newer? * What do you look for when you do code reviews? * What will you do if someone puts 20 comments on your MR and not on others? * How did you implement data mesh? What technologies? * Why did you use Kafka? What other technologies can be used? * What is your take on Google app engine? * What do you like sql or noSQL? Why? * When do you use sql and when NoSQL?

1. What is difference between Array and LinkedList. Tell me 2 cases where i can use array and linked list and How it will benefit ? 2. What is HTTP and What is technical difference between GET and POST method ? 3. Find Kth Largest Element of a given Array. What is time complexity of merge sort and how does it come, derive it ? 4. What is the TC of PriorityQueue(insert, get, delete) and How does it come. How does its internal work ? 5. What you can modify MinPriorityQueuq into MaxPriorityQueue. What is comparator and What is lambda function and what does lambda function signify and benefits ? 6. Given 2 Table : Table A = [ID, Name] Table B = [RefId, Value] Now, RefId is the Id of Table A. Now I have a RefId, I have given RefID and I want Name from Table A. Then Write the Syntax for this query. 7. What is PolyMorphism. Tell me about Overloading and overriding and where can i use it. And how will it benefits us ? 8. What is SOLID Principal and explain each.
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Backend Developer

Interviewed at ninjacart

3.5★
Mar 21, 2024

1. What is difference between Array and LinkedList. Tell me 2 cases where i can use array and linked list and How it will benefit ? 2. What is HTTP and What is technical difference between GET and POST method ? 3. Find Kth Largest Element of a given Array. What is time complexity of merge sort and how does it come, derive it ? 4. What is the TC of PriorityQueue(insert, get, delete) and How does it come. How does its internal work ? 5. What you can modify MinPriorityQueuq into MaxPriorityQueue. What is comparator and What is lambda function and what does lambda function signify and benefits ? 6. Given 2 Table : Table A = [ID, Name] Table B = [RefId, Value] Now, RefId is the Id of Table A. Now I have a RefId, I have given RefID and I want Name from Table A. Then Write the Syntax for this query. 7. What is PolyMorphism. Tell me about Overloading and overriding and where can i use it. And how will it benefits us ? 8. What is SOLID Principal and explain each.

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