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PubMatic Senior Developer Lead Interview Questions and Answers
PubMatic Senior Developer Lead Interview Experiences
1 interview found
I applied via LinkedIn and was interviewed in Mar 2024. There were 2 interview rounds.
LRU Cache impl, 3 threads....print 123123123..in sequence
Role & Responsibilities, Virtual Memory, IPC/Shared Memory, Stack/Heap, Reverse a number with sign, Memory Corruption, Memory pool of 1GB - how you will break it in chunks and provide on demand, GDB commands, Valgrind, C++11 features, Segmentaion fault - who generates core dump.
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Interview Questionnaire
3 Questions
- Q1. N a line where words are separated by spaces, , and capitalize first letter of the reversed word. Other letters of the word should be in small. Input : “how are you?” → Output: “Woh Era ?uoy”
- Ans.
The program capitalizes the first letter of each reversed word in a sentence.
Split the sentence into an array of words using space as a delimiter.
Reverse each word in the array and capitalize the first letter.
Join the modified words back into a sentence.
- Q2. He second question reduced to finding maximum weight matching in a bipartite graph. Not many people would have done this (maybe none)
- Q3. There are 2 sets of countries. One set will donate clothes (something of this sort) and anotherset will accept clothes. A country can be in only 1 of the sets. The amount of clothes donated is also given. ...
Interview Preparation Tips
Experience: There were about 20 MCQs (30 minutes) to be done after the coding section. MCQs were totally nonsense. Can be done in 10 mins.For coding section 60 mins. It was hosted on Hackerrank.
Duration: 90 minutes
Total Questions: 2
Round: Technical Interview
Experience: After this, selected candidates were interviewed that consists of 4 rounds and discussion was mostly on your CV and data structure problems.
General Tips: Be honest with your interviewer. If you are not comfortable in 1 topic, tell your interviewer honestly. Do well in other areas. Look for hints from the interviewer if you get stuck. They want to see how you approach a problem.
Skills: Algortihm, Data structure
College Name: IIT DELHI
Selected
I was interviewed before Feb 2024.
English and reasoning
I applied via Campus Placement
Aptitude questions with 2-3 coding questions
(2 Questions)
- Q1. Input-wwwrrrrttttuu Output - w3r4t4u2
- Q2. Interpreter vs compiler
- Ans.
Interpreter executes code line by line, compiler translates code into machine code before execution.
Interpreter translates code into machine code line by line during runtime
Compiler translates code into machine code before execution
Interpreted languages include Python, JavaScript
Compiled languages include C, C++
I applied via Campus Placement and was interviewed in Sep 2021. There was 1 interview round.
Interview Preparation Tips
I applied via Recruitment Consulltant and was interviewed before May 2023. There were 4 interview rounds.
Coding was hard conducted on the platform called interview.io
Consits of 2 q 1 is Dp, and the other is Graph
Bit harder compared to other companies
Reasoning like questions
It was an easy online test
Question relates to graph like minimum spanning tree,hashing questiond
(1 Question)
- Q1. Projects related to questions
I applied via Campus Placement and was interviewed in Apr 2024. There were 2 interview rounds.
On hacker rank , included subjects like DBMS , OS and coding questions on priority queue
(2 Questions)
- Q1. Questions on OOPS
- Q2. One DSA question on HashMap
(1 Question)
- Q1. How do yo sharding in mongodb
- Ans.
Sharding in MongoDB involves partitioning data across multiple servers to improve scalability and performance.
Sharding is achieved by dividing data into chunks based on a shard key
Each shard contains a subset of the data, distributed across multiple servers
MongoDB's sharding architecture includes config servers, query routers, and shard servers
Sharding can be implemented at the collection level in MongoDB
(1 Question)
- Q1. Python questions
(1 Question)
- Q1. Why you want to work here
- Ans.
I am passionate about software development and believe in the company's mission and values.
I admire the company's innovative projects and technologies.
I resonate with the company's culture of collaboration and continuous learning.
I am excited about the opportunity to work with a talented team of developers.
I believe my skills and experience align well with the company's needs.
Software Developer Interview Questions & Answers
In Time Tec Visionsoft
Anonymous
posted on 20 Mar 2024
Selected
I applied via Referral and was interviewed before Mar 2023. There were 2 interview rounds.
Aptiude test on their platform
Coding question on array
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PubMatic Senior Developer Lead Interview Process
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