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Integral Ad Science Interview Questions and Answers
Integral Ad Science Interview Experiences
10 interviews found
Max Wilt
I appeared for an interview in Mar 2025, where I was asked the following questions.
- Q1. What is docker and how does it work
- Q2. What is Spring boot dependency injection
Anonymous
You will be asked coding questions and SQL quries
(2 Questions)
- Q1. All kind of questions on web dev and sql with Unix.
- Q2. Prepare for coding and followups
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Nov 2022. There were 4 interview rounds.
(2 Questions)
- Q1. Have you, in the past handled a situation where you had taken an initiative to change and improvise the current business process, and what was the outcome.
- Q2. Ability to handle a team with dynamic and ambitious members.
How do you feel if you win in an argument with your manager on a particular matter.
(1 Question)
- Q1. Knowledge on the role applied for, knowledge of the entity's business, casestudy, etc. It was a Vp level interview.
Interview Preparation Tips
I applied via LinkedIn and was interviewed in Apr 2023. There were 3 interview rounds.
Asked Logical questions
(1 Question)
- Q1. Asked Technical questions
Selected
(1 Question)
- Q1. HOW TO DO BUDGETING or Forecating
- Ans.
Budgeting involves creating a financial plan for a specific period of time.
Identify the time period for the budget
Determine the sources of income
Estimate expenses and allocate funds accordingly
Regularly monitor and adjust the budget as needed
(1 Question)
- Q1. What will you bring to org
Interview Preparation Tips
Selected
I applied via Naukri.com and was interviewed before Jun 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Tell us about youself
- Q2. Wat technology u worked with
- Ans.
I have worked with various technologies including Java, Python, SQL, and AWS.
Java
Python
SQL
AWS
DSA Python Java Programming
Interview Preparation Tips
- SRE
Selected
I applied via Recruitment Consulltant and was interviewed before Mar 2022. There were 6 interview rounds.
It was a Atitude + English round and after passing only main technical round will start
(1 Question)
- Q1. Here 1 technical panel was there and it was purely relates to tech which you work on. It was related to Linux troubleshooting, AWS related questions, code round was also there. Bigdata related question as ...
(1 Question)
- Q1. This was again a technical round where panel is focusing on networking, security & infra related questions. If you have done something then better to tell upfront.
(1 Question)
- Q1. It was managerial + behaviour round where panel is trying to see how flexing you and how you have manage the things.
(1 Question)
- Q1. It was final round for salary discussions.
Interview Preparation Tips
- AWS
- Python
- Docker
- Shell Scripting
- Network Troubleshooting
- EMR
- EC2
- Airflow
- SRE
I applied via Referral and was interviewed in Nov 2021. There was 1 interview round.
Interview Questionnaire
4 Questions
- Q1. Difference between coalesce and repartition
- Ans.
Coalesce is used to select the first non-null value from a set of columns. Repartition is used to shuffle data across nodes.
Coalesce reduces the number of partitions to the minimum required.
Repartition increases or decreases the number of partitions.
Coalesce is a narrow transformation while repartition is a wide transformation.
Coalesce is used to optimize data for queries while repartition is used to balance data acros...
- Q2. How to optimise joins
- Ans.
Optimizing joins involves selecting appropriate join types, indexing tables, and minimizing data movement.
Choose the appropriate join type based on the size and structure of the tables being joined
Index the tables on the join columns to speed up the join process
Minimize data movement by selecting only the necessary columns and filtering rows before joining
Consider using denormalization or materialized views to precompu...
- Q3. Spark optimizations
- Q4. Difference between RDD dataset and dataframe
- Ans.
RDD is a low-level distributed data structure while DataFrame is a high-level structured data abstraction.
RDD is immutable and unstructured while DataFrame is structured and has a schema
DataFrames are optimized for SQL queries and can be cached in memory
RDDs are more flexible and can be used for complex data processing tasks
DataFrames are easier to use and provide a more concise syntax for data manipulation
RDDs are the...
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via LinkedIn and was interviewed before Oct 2022. There were 4 interview rounds.
Basic dsa question in python and data engineering questions ,sql
Basic dsa question in python and data engineering questions
(1 Question)
- Q1. Salary negotiation
Selected
I applied via Recruitment Consulltant and was interviewed before Mar 2022. There were 3 interview rounds.
UCAT Test to test your skills on verbal reasoning, quantitate skills etc.
Next was a one-on-one round with the Manager where we talked about my role and what they expected from me.
Topic was Ad Tech. It was an open book exam.
Interview Preparation Tips
- SQL
- Ad tech
- Communication Skills
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