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Principal Engineer Interview Questions
4,347 principal engineer interview questions shared by candidates
Tell me about a time you had to migrate a software application.
LRU/MRU Cache associative. Presumbly they are giving this question for years.
What is a good approach to sync and backup persistent volumes?
Technical consist of some design (singleton pattern in details), leet coding exercise consist of 2 questions to code in 1 hr., technical questions on Angular/Spring Boot/Microservices/Kafka/ CI CD Deployment scenario questions, Cloud experience and deployment w.r.t Kubernetes, If you have worked on these, you should not face enough problem, if you have not worked on it, don't bluff.
Design Patterns related questions in Java
1. CodeSignal OA was worst. I only managed to solve 2/4 2. In HM screening (2nd round) - Resume Scanning + Behavioral + TMAAT Questions 3. DSA - LC Medium - Convert Integer to Roman & implement a Spring Boot API endpoint using Spring Data JPA, such that no duplicate entries are saved if API called multiple times 4. System Design - Loan Application System Design - I read from DDIA and that helped me sail. Also YT videos of GauravSen and Tech Dummies Narendra L 5. Behavior - TMAAT standard questions
1 HLD round 1 LLD round 2 coding problems around tree etc.
How do you handle different code bases?
Merge two sorted arrays and linked lists. Number of elements smaller to the right in an array (Binary tree with duplicates approach). Build and deployment system design.
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