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Software De Backend Interview Questions

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15,505 software de backend interview questions shared by candidates

They asked algorithm questions to check my problem solving skills and data structure knowledge. One question was about fill color function. Basically they I asked how can you fill a given grid with the color of the selected pixel. Then they asked me about my favorite data structure and whether I know how it is implemented.
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Backend Developer

Interviewed at Booking.com

4.1★
Dec 15, 2015

They asked algorithm questions to check my problem solving skills and data structure knowledge. One question was about fill color function. Basically they I asked how can you fill a given grid with the color of the selected pixel. Then they asked me about my favorite data structure and whether I know how it is implemented.

Technical Screening: 1. JVM - Working and Heap 2. Datastructures - Arrays, HashTable, Stack, Queues 3. Time and Space complexity 4. Process and thread - difference and relation 5. Deadlock and concurrency 6. SOLID principles 7. Composition vs Inheritance - Relationship and when to use what 8. CICD - Process 9. Deployment Strategies 10. Minimizing bugs in production 11. Observability and logging - basics like what metrics to check etc. 12. Difference, advantages and disadvantages of Monolith and microservice archs 13. Avoiding cascading failures - Circuit breaker 14. Domain Driven Design 15. Sql vs NoSql - their advantages and disadvantage, when to use what 16. ACID 17. CAP theorem 18. Database scalability - vertical and horizontal scaling
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Backend Developer

Interviewed at Glovo

3.3★
May 13, 2020

Technical Screening: 1. JVM - Working and Heap 2. Datastructures - Arrays, HashTable, Stack, Queues 3. Time and Space complexity 4. Process and thread - difference and relation 5. Deadlock and concurrency 6. SOLID principles 7. Composition vs Inheritance - Relationship and when to use what 8. CICD - Process 9. Deployment Strategies 10. Minimizing bugs in production 11. Observability and logging - basics like what metrics to check etc. 12. Difference, advantages and disadvantages of Monolith and microservice archs 13. Avoiding cascading failures - Circuit breaker 14. Domain Driven Design 15. Sql vs NoSql - their advantages and disadvantage, when to use what 16. ACID 17. CAP theorem 18. Database scalability - vertical and horizontal scaling

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