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Principal Member of Technical Staff Interview Questions

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Mostly DS, Algorithm, Puzzles and Java with several rounds. Perpare well from online sources, and you will be through.

2 Answers

All well answered as my preparation was good.

What are the topics and from where you covered...What should i focus more on keeping Principal TEst dev eng profile in my mind

Write a program which will take an input string and output a palindrome

1 Answer

Do you know node JS

1 Answer

DB Tuning + Component Design + System Design + Coding (ds and algo like - although without any established algos being used)

1 Answer

The interview process focused primarily on the attitude and experience levels among other things. Scenarios are presented well during the interview and potential decisions and outcomes are discussed in detail.

Design rate limiting system Microservice architecture Graph DFS

Data structures, Algorithms, Problem solving, Scalable systems and Relational databases

Technical achievements and challenges. How to solve their problems.

What is the difference between String and String Buffer

First round: Difference between in and exists in sql union vs union all list down features of Java8, Java7 Types of Garbage collectors List 5 JVM memory areas CountdownLatch vs Cyclicbarrier HashMap vs LinkedHashMap Factory vs abstract factory design pattern Remove loop from linked list Second round: Given 2 sorted arrays merge it into the first array which can accommodate both array elements Find max palendrome substring in given string Find any pair in sorted array which sums to given given number Problem of maven dependency resolution using topological sort. Third round: Design bookmyshow db schema, list all microservices identified, write a query to get threatres for given movie, city and date. What is data partitioning Microservice architecture, spring boot - just overview Design chess game