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Persistent Systems Interview Questions, Process, and Tips

Updated 6 Mar 2025

Top Persistent Systems Interview Questions and Answers

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Persistent Systems Interview Experiences

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598 interviews found

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Recruitment Consulltant and was interviewed in Apr 2024. There was 1 interview round.

Round 1 - One-on-one 

(3 Questions)

  • Q1. Jwt token, dependency injection in dotnet core, mocking
  • Q2. Authentication and Authorization,stored procedure optimization,remove duplicate character from string
  • Q3. Abstract class implementation and solid principle

Principal Software Engineer Interview Questions asked at other Companies

Q1. Codng question:For the given stream of integers, calculate the avg,print top 10 elements and bottom 10 elements. It was not clearly mentioned on the problem. After poking more on the problem only provided the details.
View answer (1)
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

It was very good and technical questions was basic.

Round 2 - Technical 

(2 Questions)

  • Q1. What us sdlc? Use of it.
  • Ans. 

    SDLC stands for Software Development Life Cycle. It is a process used by software development teams to design, develop, and test high-quality software.

    • SDLC involves planning, designing, coding, testing, and deployment stages.

    • It helps in ensuring that the software meets the requirements and is delivered on time and within budget.

    • Examples of SDLC models include Waterfall, Agile, and DevOps.

    • Each stage of SDLC has specific

  • Answered by AI
  • Q2. What is oops? Pilars or oops.
  • Ans. 

    OOPs stands for Object-Oriented Programming. It is based on four main principles: Inheritance, Encapsulation, Abstraction, and Polymorphism.

    • OOPs is a programming paradigm that focuses on objects and classes.

    • The four main pillars of OOPs are Inheritance, Encapsulation, Abstraction, and Polymorphism.

    • Inheritance allows a class to inherit properties and behavior from another class.

    • Encapsulation refers to the bundling of da...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Please be focused and attentive

Skills evaluated in this interview

Top Persistent Systems Senior Software Engineer Interview Questions and Answers

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 to save them in an array and return ... read more
View answer (1)

Senior Software Engineer Interview Questions asked at other Companies

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 to save them in an array and return ... read more
View answer (1)
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Internal Working of HashMap
  • Ans. 

    HashMap is a data structure that stores key-value pairs and uses hashing to quickly retrieve values based on keys.

    • HashMap internally uses an array of linked lists to store key-value pairs.

    • When a key-value pair is added, the key is hashed to determine the index in the array where it will be stored.

    • If multiple keys hash to the same index, a linked list is used to handle collisions.

    • To retrieve a value, the key is hashed a...

  • Answered by AI
  • Q2. Core Java Questions

Skills evaluated in this interview

Top Persistent Systems Software Engineer Interview Questions and Answers

Q1. Index of First Occurrence Problem Statement Given two strings A and B, determine the index of the first occurrence of A in B. If A is not present in B, return -1. Example: Input: A = "bc", B = "abcddbc" Output: 1 Explanation: The string A a... read more
View answer (2)

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (197)
Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
No response
Round 1 - HR 

(1 Question)

  • Q1. Resume shortlist
Round 2 - Technical 

(5 Questions)

  • Q1. Mostly Questions come from real-time scenarios only, interviewer taken 1 hour of my time for interview
  • Q2. How to change create date while uploading the record through data loader?
  • Ans. 

    You can change the create date while uploading records through Data Loader by enabling the 'Allow Insert' option.

    • Enable 'Allow Insert' option in Data Loader settings

    • Map the 'Created Date' field in the mapping file to the desired date/time value

    • Ensure the user has the necessary permissions to change the create date

  • Answered by AI
  • Q3. How wire method works, while importing data want to add record inside wire method in Jsfile how?
  • Ans. 

    Wire method in Salesforce is used to fetch data from Apex controller to Lightning Web Component. Adding records inside wire method in JS file involves using imperative Apex to create records.

    • Use @wire decorator in Lightning Web Component JS file to call an Apex method

    • Inside the wire method, use imperative Apex to create records by calling the createRecord method from the Lightning Data Service

    • Pass the record data as pa

  • Answered by AI
  • Q4. Write a trigger on account if account already having 1 contact then user can't able to create another
  • Q5. How security works in apex, let's say user don't have access on Phone field and SELECT id, Name, Phone from Account WITH_SECURITY_ENFORCED how this query works?
  • Ans. 

    In Apex, security is enforced by default. If a user doesn't have access to a field, they won't be able to query it.

    • In Apex, security is enforced by default, meaning that users can only access data they have permission to see.

    • If a user doesn't have access to the Phone field in the Account object, they won't be able to query it even with WITH_SECURITY_ENFORCED.

    • The SELECT id, Name, Phone from Account WITH_SECURITY_ENFORCE...

  • Answered by AI

Skills evaluated in this interview

Top Persistent Systems Salesforce Developer Interview Questions and Answers

Q1. How security works in apex, let's say user don't have access on Phone field and SELECT id, Name, Phone from Account WITH_SECURITY_ENFORCED how this query works?
View answer (1)

Salesforce Developer Interview Questions asked at other Companies

Q1. Write a trigger to update contact when accounts phone changed.
View answer (6)

Persistent Systems interview questions for popular designations

 Software Engineer

 (126)

 Senior Software Engineer

 (36)

 Software Developer

 (35)

 Lead Engineer

 (32)

 Lead Software Engineer

 (30)

 Project Lead

 (19)

 Java Developer

 (14)

 Salesforce Developer

 (11)

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Questions about JAVA
  • Q2. Ask to write SQL queries
Round 2 - HR 

(2 Questions)

  • Q1. Basic HR questions
  • Q2. Basic HR questions like relocation

Top Persistent Systems Software Engineer Interview Questions and Answers

Q1. Index of First Occurrence Problem Statement Given two strings A and B, determine the index of the first occurrence of A in B. If A is not present in B, return -1. Example: Input: A = "bc", B = "abcddbc" Output: 1 Explanation: The string A a... read more
View answer (2)

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (197)

Get interview-ready with Top Persistent Systems Interview Questions

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

MCQ based on logical, quantitative, qualitative and english

Round 2 - Coding Test 

Two easy questions based on string manipulation

Round 3 - Technical 

(2 Questions)

  • Q1. Find count of each characters in string
  • Ans. 

    The task is to count the occurrences of each character in a given string.

    • Iterate through the string and use a hashmap to store the count of each character

    • Convert the string to an array of characters for easier manipulation

    • Handle edge cases like empty string or null input

    • Consider using built-in functions like HashMap in Java or Counter in Python

  • Answered by AI
  • Q2. Find Freq of words in a sentence
  • Ans. 

    Use a hashmap to store word frequencies in a sentence.

    • Split the sentence into words using a space delimiter.

    • Create a hashmap to store word frequencies.

    • Iterate through the words and update the frequencies in the hashmap.

    • Return the hashmap with word frequencies.

  • Answered by AI

Skills evaluated in this interview

Top Persistent Systems Software Engineer Interview Questions and Answers

Q1. Index of First Occurrence Problem Statement Given two strings A and B, determine the index of the first occurrence of A in B. If A is not present in B, return -1. Example: Input: A = "bc", B = "abcddbc" Output: 1 Explanation: The string A a... read more
View answer (2)

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (197)

Jobs at Persistent Systems

View all
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(2 Questions)

  • Q1. What is your qualification?
  • Q2. Explain about the projects that you completed while attending the college.

Technical Support Engineer Interview Questions asked at other Companies

Q1. Admin Questions :- What is Relationships what are types of relationships
View answer (4)
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Explaining the previous roles
  • Q2. Technical about job and job description

Interview Preparation Tips

Interview preparation tips for other job seekers - Give your best with honest answers and best of yours knowledge
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Detailed coding process

Round 2 - Technical 

(1 Question)

  • Q1. What is array in. Python
  • Ans. 

    An array in Python is a data structure that can hold multiple values of the same data type.

    • Arrays in Python are created using square brackets []

    • Elements in an array can be accessed using their index starting from 0

    • Example: names = ['Alice', 'Bob', 'Charlie']

  • Answered by AI

Skills evaluated in this interview

Top Persistent Systems Software Engineer Interview Questions and Answers

Q1. Index of First Occurrence Problem Statement Given two strings A and B, determine the index of the first occurrence of A in B. If A is not present in B, return -1. Example: Input: A = "bc", B = "abcddbc" Output: 1 Explanation: The string A a... read more
View answer (2)

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (197)
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Cyber security questions
  • Q2. Managerial round

Interview Preparation Tips

Interview preparation tips for other job seekers - So much of learning in the projects. Every project has different technologies and its your aptitude how do you want to proceed.
Full freedom of taking the ownership of the task and delivered it.
You will feel sense of accomplishment.
Leads, manager and senior staff are very friendly and promote growth and skill enhancement.

Technical Project Manager Interview Questions asked at other Companies

Q1. 1) What are Isolation levels in SQL? 2) What happens if same SP is modified by multiple users at same time, how do u capture the details of each user's changes? 3) What are ACID properties? 4) What are triggers & its types? 5) What is f... read more
View answer (1)

Persistent Systems Interview FAQs

How many rounds are there in Persistent Systems interview?
Persistent Systems interview process usually has 2-3 rounds. The most common rounds in the Persistent Systems interview process are Technical, HR and Coding Test.
How to prepare for Persistent Systems interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Persistent Systems. The most common topics and skills that interviewers at Persistent Systems expect are Java, Javascript, Python, SQL and AWS.
What are the top questions asked in Persistent Systems interview?

Some of the top questions asked at the Persistent Systems interview -

  1. What is nodejs and difference between nodejs and javascr...read more
  2. Java 8 features, disadvantages of microservices, difference between RDBMS and N...read more
  3. 7. what is public and private IP. how are they differ...read more
How long is the Persistent Systems interview process?

The duration of Persistent Systems interview process can vary, but typically it takes about less than 2 weeks to complete.

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Persistent Systems Interview Process

based on 543 interviews

Interview experience

3.9
  
Good
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Persistent Systems Reviews and Ratings

based on 3.9k reviews

3.5/5

Rating in categories

3.5

Skill development

3.5

Work-life balance

3.3

Salary

3.1

Job security

3.5

Company culture

3.0

Promotions

3.2

Work satisfaction

Explore 3.9k Reviews and Ratings
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