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PubMatic Software Engineer Interview Questions and Answers

Updated 29 Aug 2024

PubMatic Software Engineer Interview Experiences

6 interviews found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Basic string manipulation and general DSA questions

Round 2 - Technical 

(2 Questions)

  • Q1. Tree traversal iteratively
  • Q2. Implement DFS,BFS on graph
Interview experience
3
Average
Difficulty level
Easy
Process Duration
4-6 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed in Oct 2023. There were 3 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Basic DSA question on array, linked list, graph
  • Q2. Loop in kinked list
  • Ans. 

    Detecting a loop in a linked list

    • Use two pointers, one moving at double the speed of the other

    • If there is a loop, the two pointers will eventually meet

    • Use Floyd's Cycle Detection Algorithm for efficient solution

  • Answered by AI
Round 2 - Technical 

(1 Question)

  • Q1. Similar question on DSA and little bit details on previous work experince.
Round 3 - Manegerial 

(1 Question)

  • Q1. Standard managerial round with focus on previous work

Skills evaluated in this interview

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Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
Not Selected
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - One-on-one 

(2 Questions)

  • Q1. Reverse LinkList
  • Q2. Reverse Array array is given
Round 3 - Technical 

(1 Question)

  • Q1. Low Level System Design,SOLID principles
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed before May 2023. There were 3 interview rounds.

Round 1 - Coding Test 

Consisted of 1 easy, 2 medium level problems

Round 2 - Technical 

(1 Question)

  • Q1. Implementation of Heap data structure An easy LC question
Round 3 - Technical 

(1 Question)

  • Q1. Discussion on some design question

PubMatic interview questions for designations

 Senior Software Engineer

 (2)

 Software Developer

 (2)

 Junior Software Developer

 (1)

 Senior Software Developer

 (1)

 Software Qa Automation Engineer

 (2)

 QA Engineer

 (1)

 Principal Engineer

 (1)

 Big Data Engineer

 (1)

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Sep 2022. 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 - Coding Test 

2 medium level questions

Round 3 - Technical 

(1 Question)

  • Q1. Basic data structures
Round 4 - Technical 

(1 Question)

  • Q1. Data structure with code writing
  • Ans. 

    Implement a stack data structure using an array of strings.

    • Use an array to store the strings in the stack.

    • Implement push() and pop() functions to add and remove elements from the stack.

    • Keep track of the top of the stack using a variable.

  • Answered by AI
Round 5 - Technical 

(1 Question)

  • Q1. C or Java language specific

Skills evaluated in this interview

I appeared for an interview before Jun 2016.

Interview Questionnaire 

9 Questions

  • Q1. Questions on my resume. 1. What is your CGPA? 2. Tell us about your project (3-2 project).
  • Q2.  Which coding language do you prefer and why?
  • Ans. 

    I prefer Python because of its simplicity, readability, and extensive libraries.

    • Python is known for its simplicity and readability, making it easier to write and understand code.

    • Python has a large number of libraries and frameworks that can be used to quickly develop applications.

    • Python's syntax is clean and concise, allowing for faster development and easier maintenance.

    • Python is widely used in various domains such as...

  • Answered by AI
  • Q3. Questions on my interests
  • Q4. Questions on Android ROMS
  • Q5. Salary discussions
  • Q6. Work place (location)
  • Q7. Questions on technical skills required for the post
  • Q8. Where do you lack? (And more questions to build stress)
  • Q9. Why do you want to work with Pubmatic?
  • Ans. 

    I want to work with Pubmatic because of their innovative technology solutions and strong reputation in the industry.

    • Pubmatic is known for their cutting-edge technology solutions in the digital advertising space

    • I admire Pubmatic's strong reputation and track record in the industry

    • I believe working at Pubmatic will provide me with valuable learning opportunities and career growth

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: Essay on 'Today's trending topics'. My topic was, 'Smartphone boon or curse'.
Tips: Write in lay man's language. Your approach should be an engineer's point of view.
Duration: 1 hour

Round: Technical Interview
Experience: Face to Face interview with Assistant Manager.
This interview was mainly to check my communication skills and basic technical knowledge.
Tips: Try to be yourself. Improve your communication skills, as no company selects a candidate who can't present her/his views.

Round: Behavioural Interview
Experience: Face to Face interview with Manager.
(I was selected after this round because of my confidence. )
Tips: As mentioned before you must have confidence and good communication skills. Be thorough with your basics orelse you will land up in an awkward situation. :p

Round: HR Interview
Experience: This round was for discussing salary and other facilities.
Tips: Be sure about your answer for 'preferred work place'. All the best.

Skills: Coding Skills, Proficiency In English, Confidence, Communication

Software Engineer Jobs at PubMatic

View all

Interview questions from similar companies

Interview Questionnaire 

6 Questions

  • Q1. Tell something about yourself
  • Ans. 

    I am a software engineer with 5 years of experience in developing web applications using Java and JavaScript.

    • I have a Bachelor's degree in Computer Science.

    • I am proficient in Spring Framework and AngularJS.

    • I have worked on projects involving RESTful APIs and microservices architecture.

    • I am a quick learner and enjoy working in a team environment.

  • Answered by AI
  • Q2. Why do you want to join this company?
  • Ans. 

    I am impressed with the company's innovative approach and commitment to excellence.

    • I have researched the company and its products extensively and am excited about the potential for growth and development.

    • I am impressed with the company's reputation for innovation and cutting-edge technology.

    • I believe that the company's commitment to excellence aligns with my own values and goals.

    • I am excited about the opportunity to wo...

  • Answered by AI
  • Q3. What are your future plans?
  • Ans. 

    My future plans include continuous learning, honing my skills, and contributing to the growth of the company.

    • I plan to attend relevant conferences and workshops to stay updated with the latest technologies.

    • I want to work on challenging projects that will help me improve my skills.

    • I aim to become a valuable asset to the company by contributing to its growth and success.

    • I plan to mentor and guide junior developers to hel

  • Answered by AI
  • Q4. Mathematics
  • Q5. Programming
  • Q6. Logic

Interview Preparation Tips

Round: Test
Experience: It was a bit lengthy and I wasn't able to solve all the questions, but the rest was accurately completed by me.
Tips: One needs to know basic programming and logic. The rest is doable. Pay attention to time and the accuracy of your answers.
Duration: 120 minutes
Total Questions: 50

Round: Group Discussion
Experience: A few points were given to us and we had to proceed from there. I gave new ideas as well as new points of view on the already presented ideas. I also encouraged others to participate.
Tips: Don't be too quiet/passive or too loud/active. Let others also talk and don't talk about the same points again & again.
Duration: 15 minutes

Round: HR Interview
Experience: It was a good interview. I felt at ease and myself while talking about me. The CTO of the company was conducting it.
Tips: See the direction in which the interview is going and frame your answers accordingly. Tell them what they want to hear, but don't lie.

Round: Technical Interview
Experience: It was a telephonic interview, and the HR team present there was guiding me through it. The questions were easy.
Tips: Be confident while answering the questions. Don't think too much on it, and answer appropriately. Be clear and concise.

General Tips: As I said earlier as well, be yourself and be confident.
Skill Tips: Be adequately prepared on what you prepare for; know the ins and outs of the company you are sitting in for; be confident and clear on what you speak.
Skills: Programming, Logic Building, Common Aptitude, Personality
College Name: IIT Bombay
Motivation: I wanted to do programming which was also in the engineering domain. Hence Altair came as the perfect fit for me.
Funny Moments: I was not able to listen properly to the telephonic interview, but the CTO was impressed with me in the HR interview so he happily guided me through. I also found out that one of the seniors interviewing me was from the same place as that of mine, so we had a small discussion there as well. I felt at ease hence.

Interview Preparation Tips

Round: Resume Shortlist
Experience: My experience with IITB racing for more than 2 years helped me with this process. Additionally, my work as an electronic differential engineer which required development of a detailed vehicle model was more closer to the

College Name: IIT BOMBAY

Interview Preparation Tips

Round: Test
Tips: Screening test is done online and contains objective questions..
Total Questions: Online

Round: Group Discussion
Experience: Shortlisted candidates were divided in groups of 9-10 students for group discussion. GD lasted for about 40 min.
Duration: 40 minutes

Round: Interview
Experience: Technical interview was of about 35 min. There was no hr interview. Questions were related to the projects that the candidate performed during his stay at IIT Roorkee. Two puzzles were also asked. Other questions were based on the answers that the candidate gave to the previous questions.

General Tips: This company looks for people with strong technical aptitude. So do not shy from showing all your projects. In other companies too many projects may lead them to believe that you are more interested in pursuing research and will leave the company soon. This may have a negative effect on other companies. But at Altair it is good to show all your projects, your research publications, any additional courses taken. Along with your technical projects it will be good if you could show them your coding ability. They are looking for technical people with a stint for coding.
College Name: IIT ROORKEE
Motivation: Altair deals with engineering services, product design, and engineering finite element software development (eg. hypermesh, hypermath, etc). The profile for which it takes the new recruits is for engineering software code writer.

Interview Preparation Tips

Round: Test
Experience: Written Test – 50 ppl appeared 15 were shortlisted for interview, 3 were finally selected. Technical interview  mainly based on project and the basics of the subject HR – be pleasing If someone wants to appear for this company. .
Tips: Prepare some common topics such as globalization, reservation in IITs and IIMs, etc.

General Tips: Never let them ask you the points in which you are weak& Always lead the interviewer to the questions that you are expecting.
College Name: IIT BOMBAY

PubMatic Interview FAQs

How many rounds are there in PubMatic Software Engineer interview?
PubMatic interview process usually has 3-4 rounds. The most common rounds in the PubMatic interview process are Technical, Coding Test and Resume Shortlist.
How to prepare for PubMatic Software Engineer 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 PubMatic. The most common topics and skills that interviewers at PubMatic expect are Data Structures, Java, MySQL, Algorithms and Linux.
What are the top questions asked in PubMatic Software Engineer interview?

Some of the top questions asked at the PubMatic Software Engineer interview -

  1. Which coding language do you prefer and w...read more
  2. Data structure with code writ...read more
  3. Loop in kinked l...read more

Tell us how to improve this page.

PubMatic Software Engineer Interview Process

based on 6 interviews

2 Interview rounds

  • Technical Round - 1
  • Technical Round - 2
View more
Join PubMatic THE SUPPLY CHAIN OF THE FUTURE.BUILT FOR YOU.
PubMatic Software Engineer Salary
based on 74 salaries
₹8 L/yr - ₹27 L/yr
91% more than the average Software Engineer Salary in India
View more details

PubMatic Software Engineer Reviews and Ratings

based on 12 reviews

4.2/5

Rating in categories

3.9

Skill development

4.2

Work-life balance

3.8

Salary

3.7

Job security

4.4

Company culture

3.0

Promotions

3.9

Work satisfaction

Explore 12 Reviews and Ratings
Software Engineer - Java

Pune

2-4 Yrs

₹ 8-25 LPA

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