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Subex Software Engineer Interview Questions
& Process

Real candidates share what happened, how many rounds they had,
and how the experience turned out.

Based on 125 interview experiences · FREE TO READ

3.2 Rounds average
Average Typical difficulty
66.1% Positive experience

Candidate interview experiences

First-hand accounts from people who interviewed at Subex.

Showing 3 of 125
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Software Engineer

Engineering · nearly a year ago

Entry Easy Negative experience No offer 3 rounds
Interview process
Technical screen Technical screen Recruiter call
Interview formats
Technical Coding Behavioral

The selection process has three stages. First, there's an online screening with basic tech questions and a programming problem. Second, a face-to-face technical round with deep technical talks and coding exercises. Lastly, a standard HR interview to check communication, attitude, and how well you fit the company culture and the role.

Confirmed questions7 questions
  • Can you answer some basic technical questions on Core concepts?
  • Could you solve one programming problem?
  • Are you ready for in-depth technical discussions?
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Subex

Software Engineer

Engineering · a year ago

Mid Difficult Positive experience Decline offer 4 rounds
Interview process
Technical screen Technical screen Recruiter call Background check
Interview formats
Technical Technical Behavioral

The process included 2 technical discussions, followed by an MR round and then HR. The technical round questions were difficult. The whole process is time-consuming and not a single-day event. Salary negotiation is possible, but don't expect too much.

Confirmed questions3 questions
  • Questions based on Java.
  • Questions based on Hadoop.
  • Questions based on Kubernetes.
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Subex

Software Engineer

Engineering · more than a year ago

Senior Average Positive experience Accept offer 4 rounds
Interview process
Technical screen Technical screen Technical screen Recruiter call
Interview formats
Technical Coding Technical Technical Behavioral

The interview process involved 4 rounds. The first round was a paper-pen test with about 20 objective questions covering Java, aptitude, and SQL, plus 2 programming questions where I had to pick one. The second round focused on Core Java, SpringBoot, and Kafka. The third round included questions on Data Structures and Algorithms, discussions about my previous company project, and SQL queries. The final round was an HR interview, mainly to discuss the role, responsibilities, and salary negotiation.

Confirmed questions3 questions
  • Can you solve the Spiral Matrix problem?
  • How do you find the 2nd largest element in an array?
  • Explain the internal implementation of a Hashmap.

Subex Software Engineer Interview Questions

Quoted word for word from Subex interview reports.

What happens if we remove the & symbol while calling a copy constructor?

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Write a Java program to remove single and multi-line comments from a given file and output the remaining text.

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When does a copy constructor get called and when does an assignment operator get called?

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Given a string, if converted to binary, how would you write a program to count consecutive 1s followed by 0s?

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If a class has an integer pointer, how do you copy data from one object to another?

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Given a number, say 45, its square when divided into two parts should sum up to the given number. For example, 45*45=2025, and 20+25=45. You are asked to find such numbers up to 100 that satisfy this property.

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Write a program to swap two numbers without using a third variable or arithmetic operators.

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Can you write code to count the number of 1s and 0s in a string if it were converted to binary?

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Formats, difficulty and experience

Across all 125 Subex interview reports.

Interview formats

Technical 42.1%
Coding 27.8%
Behavioral 22.8%
Group 5.8%
System Design 0.6%

Interview difficulty

Easy 6.4%
Average 62.4%
Difficult 31.2%

Candidate experience

Positive 66.1%
Neutral 22.3%
Negative 11.6%