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Subex Product Engineer Interview Questions and Answers

Updated 12 Oct 2020

Subex Product Engineer Interview Experiences

1 interview found

I applied via Walk-in and was interviewed before Oct 2019. There were 4 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. What is the meaning of telecom sources and what kind of CDR we get through these source?
  • Ans. 

    Telecom sources refer to the data sources used by telecommunication companies to collect Call Detail Records (CDRs) for billing and analysis purposes.

    • Telecom sources are used to collect CDRs for billing and analysis purposes

    • CDRs obtained from telecom sources include information such as call duration, call time, caller ID, and call location

    • Examples of telecom sources include mobile network operators, landline service pr

  • Answered by AI
  • Q2. Basic UNIX command along with syntax?
  • Q3. Deep SQL knowledge?
  • Q4. Basic Java knowledge, to troubleshoot the error we get from the application end.

Interview Preparation Tips

Interview preparation tips for other job seekers - Subex interview is always conducted to see the potential and stability of the candidate.

Interview questions from similar companies

I applied via Naukri.com and was interviewed in Aug 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Oops Concepts and Data Structure Questions.

Interview Preparation Tips

Interview preparation tips for other job seekers - Oops And Data Structure, Collection.

I applied via Campus Placement and was interviewed before Feb 2020. There were 6 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Was interviewed as fresher?
  • Q2. Written test conducted? with verbal ability test ? GD
  • Q3. How would u deal with a problematic situation when you are working in a team?
  • Q4. What are your plans about higher studies?

Interview Preparation Tips

Interview preparation tips for other job seekers - it was basic with apptiude test and attitiude test.

I applied via Company Website and was interviewed before Feb 2020. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. They asked about dbms questions in the form of table formate
  • Q2. They asked code for some python program

Interview Preparation Tips

Interview preparation tips for other job seekers - Firstly they conducted computer based technical exam and then after qualifying that then we will go for face face interview and then lastly HR round will be held.

I applied via Campus Placement and was interviewed in Oct 2020. There were 4 interview rounds.

Interview Questionnaire 

5 Questions

  • Q1. Wap of bubble sort
  • Ans. 

    Bubble sort is a simple sorting algorithm that repeatedly steps through the list, compares adjacent elements and swaps them if they are in the wrong order.

    • Start from the first element and compare it with the next element

    • If the next element is smaller, swap them

    • Repeat this process for all elements in the array

    • Continue this process until no more swaps are needed

  • Answered by AI
  • Q2. Wap of prime number
  • Ans. 

    A program to print all prime numbers

    • Take input from user for range of numbers

    • Loop through the range and check if each number is prime

    • Print the prime numbers

  • Answered by AI
  • Q3. What is hashmap?
  • Ans. 

    Hashmap is a data structure that stores key-value pairs and allows constant time access to values based on their keys.

    • Hashmap uses a hash function to map keys to indices in an array.

    • Collisions can occur when multiple keys map to the same index, which can be resolved using techniques like chaining or open addressing.

    • Examples of hashmap implementations include Java's HashMap class and Python's dict type.

  • Answered by AI
  • Q4. What is inheritance
  • Ans. 

    Inheritance is a mechanism in object-oriented programming where a new class is created by inheriting properties of an existing class.

    • Inheritance allows code reuse and promotes code organization.

    • The existing class is called the parent or superclass, and the new class is called the child or subclass.

    • The child class inherits all the properties and methods of the parent class and can also add new properties and methods.

    • For...

  • Answered by AI
  • Q5. Call by value and call by reference

Interview Preparation Tips

Interview preparation tips for other job seekers - Be yourself

Skills evaluated in this interview

I applied via Walk-in and was interviewed in Mar 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Introduction your self in interview

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview should be very easy and comfortable to the students. And be confident at the infront of interviewer

Interview Questionnaire 

1 Question

  • Q1. About my college projects and about my passion

I applied via Recruitment Consulltant and was interviewed before Apr 2021. There were 3 interview rounds.

Round 1 - Aptitude Test 

Standard Aptitude questions

Round 2 - Coding Test 

Based on strings and array

Round 3 - One-on-one 

(1 Question)

  • Q1. Background questions and technical questions related to problem solved

Interview Preparation Tips

Interview preparation tips for other job seekers - Mindtree is one of the best companies, i really miss working there.
It's more on your self development and your carrier.

Interview Questionnaire 

1 Question

  • Q1. A-Z in MySQL, programming languages(only concepts)

I applied via Company Website and was interviewed in Dec 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Self introduction

Interview Preparation Tips

Interview preparation tips for other job seekers - say individual ideas,plans, story's.say different opinions,speek confidentially, correctly answer Yes or no questions, correctly say interested and confidential job,
Contribute & help others!
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Subex Interview FAQs

What are the top questions asked in Subex Product Engineer interview?

Some of the top questions asked at the Subex Product Engineer interview -

  1. What is the meaning of telecom sources and what kind of CDR we get through thes...read more
  2. Basic Java knowledge, to troubleshoot the error we get from the application e...read more
  3. Basic UNIX command along with synt...read more

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Subex Product Engineer Salary
based on 5 salaries
₹3 L/yr - ₹7.4 L/yr
48% less than the average Product Engineer Salary in India
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Subex Product Engineer Reviews and Ratings

based on 4 reviews

4.0/5

Rating in categories

3.0

Skill development

4.0

Work-life balance

4.0

Salary

4.0

Job security

4.1

Company culture

4.0

Promotions

3.0

Work satisfaction

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