Persistent Systems Senior Software Engineer Interview Questions, Process, and Tips

Round duration - 60 minutes
Round difficulty - Medium

Timing( was it late night) No Conducted at afternoon 2PM
How was the environment? Google meet
How the interviewer was? (If it was there any interview) He was very supportive and he was giving hints in data structures problem and even in js questions.

Q1. 
K Largest Elements Problem Statement
You are given an integer k and an array of integers that contain numbers in random order. Write a program to find the k largest numbers from the given array. You need ...read more
Ans. 
Given an unsorted array, find the K largest elements in non-decreasing order.
• Sort the array in non-decreasing order.

• Return the last K elements of the sorted array.
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Round duration - 60minutes
Round difficulty - Medium

Timing( was it late night) No it was afternoon time 3PM
How was the environment? Interview conduted on Google meet
Any other significant activity It was techno managerial round.
How the interviewer was? (If it was there any interview) He was checking the technical knowledge as well personality and also problem solving skills.

Q1. Write a program to print the following star pattern in JavaScript:
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Ans. 
The program prints a star pattern using asterisks and spaces.
• Use nested loops to iterate through rows and columns.

• Determine the number of asterisks and spaces to print in each row.

• Use conditional statements to decide when to print an asterisk or a space.
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For freshers candidate, coding round with array ,strings is needed

Q1. Coding questions on map and array. Networking, C++, DBMS questions.
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Q1. Subjectwise quiz MCQ
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Basic aptitude and logical reasoning with one easy programming question.

Q1. Some coding questions were asked easy to medium difficulty and after that interviewer asked questions related to my projects basically from resume.
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They asked me to programs for in-order, pre-order traversal of tree, binary search and program to parse xml

This round was more related to sql. Some basic join queries and sb concepts like use of having clause

Q1. Why do you want to join us?
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