high level system design as well low level c++ questions and multiple data structure and algorithmic questions as well.
Principal Engineer Interview Questions
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Describe purpose of pointers in C.
background, management, technology experience; white-board coding test
SingletonPattern, Spring modules, hashCode() & equals(), different design patterns in Java & microservices, tools used as part of microservices. difference between different MySQL engines.
Behavioural questions were asked in the leadership round; I had also asked questions to the interviewer.
1. Write program to read n lines from file (checking of efficient code) 2. Given list of list as input write a program to read elements from list and put data from list to a file. Interviewer kept increasing complexity 3. Given N interviewers and M candidates. Write program which can generate calendar for each interviewers. Constraint, each candidate should have 4-5 rounds with unique interviews to complete hiring process. 4. Question about boot loading (primary/secondary loading) and so on.
In the 1 st round: (a) Find count of longest increasing subsequence in the given array of integers in O(n) time complexity (b) Find the list of prime numbers between 1 to n (c) Find highest salary of an employee given 3 tables: Employee ( E_ID, D_ID,E_NAME), DEPARTMENT ( D_ID and D_NAME) and SALARY ( E_ID and Salary) and highest salary of employee per department In the 2nd round: How will you design a system (using Restful Web Service and any other design algorithm) when there is a feed of events coming in for <Person> object type which queries a Server hub for a linux box. Each linux box has a specified limit on memory and CPU (not same for all) and you need to optimize each person with his/her usage and find the count of number of logins In the 3rd round: (a) Find the frequency of difference from the median for a given column in a database (b) Find the count of palindromes given a String
12 Factor app - please explain 1 question on array based logic - move all 1's to the end of the array in an array of 0's and 1's questions on current work
It was very simple since they had observed skill sets in a contractor role. What will it take to get you to work here?
Tell me abbot your self
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