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Polaris Consulting

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Polaris Consulting Full Stack Software Developer Interview Questions and Answers

Updated 17 Sep 2022

Polaris Consulting Full Stack Software Developer Interview Experiences

1 interview found

Full Stack Software Developer Interview Questions & Answers

user image Anonymous

posted on 17 Sep 2022

I applied via Campus Placement and was interviewed in Mar 2022. There were 3 interview rounds.

Round 1 - Aptitude Test 

Aptitude, English and coding

Round 2 - Technical 

(1 Question)

  • Q1. What is a String?? Difference between String Buffer and String Builder?
  • Ans. 

    A String is a sequence of characters. String Buffer and String Builder are mutable and faster alternatives to String.

    • String is an immutable class in Java.

    • String Buffer and String Builder are mutable classes.

    • String Buffer is synchronized and thread-safe.

    • String Builder is not synchronized and faster than String Buffer.

    • Both String Buffer and String Builder have methods to append, insert, delete, and reverse strings.

    • Answered by AI
    Add your answer
Round 3 - HR 

(1 Question)

  • Q1. Introduce about yourself
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well and crack it. Majorly concentrate on aptitude and coding. Focus more on oops concept in java and know about sql before going to an interview

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Salary Discussions, Hike & Promotions
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kirayagami1
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Experience - 5.9 Tech - React.js CTC- 13LPA Current company - TCS Offer in the process - Nagarro (19LPA) My LWD is 24th May, but I told Nagarro I can be released in 30 days. Now, should I: 1. Be honest and say I can join on 25th May? 2. Commit to 25th April and request a DOJ extension later?(By telling them some emergency) Q1). If I choose option 1, is there a risk they won’t release the offer?(As I am being hired for a particular project, so will they go for some immediate candidates?) Q2). If I choose option 2, could they revoke the offer?(As the HR told changing the DOJ in released offer letter is not possible
Nagarro offer: Kindly Help me to decide
Option 1
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Option 2
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115 participants . poll closed
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Interview questions from similar companies

Full Stack Software Developer Interview Questions & Answers

Happiest Minds Technologies user image Anonymous

posted on 28 Jul 2023

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed in Jun 2023. There were 5 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Aptitude Test 

Topics consist of profit-loss, probability, permutation combination etc.

Round 3 - Coding Test 

Coding question related to topics array and strings.

Round 4 - Technical 

(2 Questions)

  • Q1. Questions related to Java, oops, DBMS and tech-stack are mention in the resume
    • Add your answer
  • Q2. Role of java in backend, explain polymorphism in oops, reverse string.
  • Ans. 

    Java is a popular backend language, polymorphism allows objects to be treated as instances of their parent class, reverse string by iterating through characters.

    • Java is commonly used in backend development for its robustness and scalability.

    • Polymorphism in OOP allows objects to be treated as instances of their parent class, enabling flexibility and reusability.

    • To reverse a string, iterate through the characters from th...

    • Answered by AI
    Add your answer
Round 5 - HR 

(1 Question)

  • Q1. It also consists of technical questions, future goals, project discussion mentioned in the resume and related tech stack, future goals, etc.
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Just you have clear idea about your resume and knowledge of java, oops and DBMS

Skills evaluated in this interview

Full Stack Software Developer Interview Questions & Answers

Test Yantra Software Solutions user image Anonymous

posted on 24 Jul 2023

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Coding Test 

Basic logic test docker and AWS services like ECS, serverless, s3 and SQS

Round 3 - Technical 

(1 Question)

  • Q1. Docker based question
    • Add your answer
Round 4 - One-on-one 

(1 Question)

  • Q1. Ask more details before answer
    • Add your answer

Full Stack Software Developer Interview Questions & Answers

Test Yantra Software Solutions user image Anonymous

posted on 31 Jan 2024

Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I appeared for an interview before Jan 2023.

Round 1 - Coding Test 

Javascript coding question, output related questions, closure

Round 2 - Technical 

(1 Question)

  • Q1. Difference between let, const, var Hoisting, Closure, Diff between no sql vs sql database
  • Ans. 

    let, const, and var are JavaScript keywords used to declare variables with different scoping rules.

    • let and const are block-scoped variables introduced in ES6, while var is function-scoped.

    • let allows reassignment, while const is a constant that cannot be reassigned.

    • Hoisting is a JavaScript behavior where variable and function declarations are moved to the top of their scope.

    • Closure is a combination of a function and the...

    • Answered by AI
    Add your answer

Skills evaluated in this interview

Software Engineer Interview Questions & Answers

Maveric Systems user image Anonymous

posted on 15 Nov 2019

I applied via Recruitment Consultant and was interviewed in Jul 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Basic Java questions
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Had appeared for Java developer role, basic Java questions were asked.

Software Engineer Interview Questions & Answers

Newgen Software Technologies user image Anonymous

posted on 30 Sep 2021

I applied via Walk-in and was interviewed before Sep 2020. There were 4 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. How to compile all Java files inside a folder using Cmd
  • Ans. 

    To compile all Java files inside a folder using Cmd, navigate to the folder and run 'javac *.java'

    • Open Command Prompt and navigate to the folder containing the Java files

    • Run the command 'javac *.java' to compile all Java files in the folder

    • Check for any errors or warnings in the output

    • Answered by AI
    Add your answer
  • Q2. Internal working of Hashmap and Concurrent Hashmap
  • Ans. 

    Hashmap is a data structure that stores key-value pairs. Concurrent Hashmap is a thread-safe version of Hashmap.

    • Hashmap uses hashing to store and retrieve elements based on their keys.

    • Concurrent Hashmap allows multiple threads to access and modify the map concurrently.

    • Hashmap has a load factor that determines when the map needs to be resized.

    • Concurrent Hashmap uses a technique called lock striping to allow concurrent a...

    • Answered by AI
    Add your answer
  • Q3. Servlet : Listeners, Filters related questions
    • Add your answer
  • Q4. Java 8 features
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Work on Core Java Concepts

Skills evaluated in this interview

Software Engineer Interview Questions & Answers

Newgen Software Technologies user image Anonymous

posted on 20 Apr 2021

I applied via Walk-in and was interviewed before Apr 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Basic questions on Java. Spring MVC flow, collections, projects that you've worked on
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - This is a easy discussion. Just portray your strong points and just indirectly force them to ask you're question related to the same.

Software Engineer Interview Questions & Answers

Newgen Software Technologies user image Anonymous

posted on 3 Mar 2022

I applied via Campus Placement and was interviewed before Mar 2021. There were 2 interview rounds.

Round 1 - Aptitude Test 

It was easy with basic ques and then pymetrics tesy

Round 2 - Coding Test 

Coding test had basic questions on Java core

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare theoritical concept of SQL and Java well

Software Engineer Interview Questions & Answers

Test Yantra Software Solutions user image Anonymous

posted on 11 May 2021

I applied via Referral and was interviewed in Nov 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. What's my teammates count.
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Quite and smooth easy way thanks to Praveen (B.O). Prepare your resume instead outside stuff 😅.

Software Developer Interview Questions & Answers

Newgen Software Technologies user image Brijesh Mishra

posted on 7 Jul 2017

Interview Questionnaire 

1 Question

  • Q1. Runtime pollymorphism
    • Add your answer

Interview Preparation Tips

Round: Test
Experience: I scored good.
Tips: Core java good knowledge.
Duration: 30 minutes
Total Questions: 25

Round: Technical Interview
Experience: like this many ques from core java and hibernate and sql also and I scored good.
Tips: Command over core java and sql also.

More about working at Polaris Consulting

Polaris Consulting Interview FAQs

How many rounds are there in Polaris Consulting Full Stack Software Developer interview?
Polaris Consulting interview process usually has 3 rounds. The most common rounds in the Polaris Consulting interview process are HR, Aptitude Test and Technical.

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Polaris Consulting Salaries in India
Consultant
249 salaries
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₹4.6 L/yr - ₹19.1 L/yr

Associate Consultant
196 salaries
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₹2.8 L/yr - ₹10 L/yr

Senior Consultant
194 salaries
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₹7 L/yr - ₹23.5 L/yr

Lead Consultant
191 salaries
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₹9.8 L/yr - ₹23 L/yr

Softwaretest Engineer
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₹3.5 L/yr - ₹6 L/yr

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