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Nielsen Senior Data Engineer Interview Questions and Answers
Nielsen Senior Data Engineer Interview Experiences
2 interviews found
(2 Questions)
- Q1. Data modeling on website data
- Q2. Spark performance tuning
yogesh kumar
(2 Questions)
- Q1. Find avg user login time based on clickstream data if session is applicable for 30 mins in spark
- Ans.
Calculate average user login time based on clickstream data with 30 min session in Spark
Filter clickstream data to include only login events
Calculate session duration by grouping events within 30 min window
Calculate average session duration per user
- Q2. Design a data pipeline for e-commerce website.
- Ans.
Design a data pipeline for an e-commerce website.
Extract data from website databases, such as product information, customer details, and order history.
Transform the data by cleaning, filtering, and aggregating it to make it usable for analysis.
Load the processed data into a data warehouse or data lake for storage and further analysis.
Implement data pipelines using tools like Apache Kafka, Apache Spark, or AWS Glue.
Moni...
Skills evaluated in this interview
Interview questions from similar companies
I applied via Recruitment Consultant and was interviewed before Nov 2020. There was 1 interview round.
Interview Questionnaire
2 Questions
- Q1. Python programming questions
- Q2. Custom Exceptional Handling
Interview Preparation Tips
Software Engineer Interview Questions & Answers
Athenahealth Technology
Anonymous
posted on 3 Nov 2022
I applied via Campus Placement and was interviewed before Nov 2021. There were 3 interview rounds.
There are 30 basic aptitude question in 30 minutes
3 coding question 2 were easy and 1 was of medium level
Interview Preparation Tips
Quant verbal LRDI ,normal question
Dsa array and 2D array
(1 Question)
- Q1. About project and resume
(1 Question)
- Q1. Behavioural question
I applied via Naukri.com and was interviewed in Mar 2024. There were 2 interview rounds.
(1 Question)
- Q1. All questions based on your resume and recent project you have done including OOPS concept, MVC , Design patterns, SOLID principles
(1 Question)
- Q1. Here test the communications, problem solving skills, Decision making skill, Situation handle, conflict management
Selected
I applied via Campus Placement and was interviewed before May 2023. There were 2 interview rounds.
It is pretty good only.
(3 Questions)
- Q1. Asked about all the basics question,alogirthm,programs
- Q2. Basic Coding questions like prime number
- Q3. Acid Properties
- Ans.
ACID properties are a set of properties that guarantee database transactions are processed reliably.
Atomicity: Transactions are either fully completed or fully aborted.
Consistency: Database remains in a consistent state before and after the transaction.
Isolation: Transactions are isolated from each other until they are completed.
Durability: Once a transaction is committed, changes are permanent.
Example: Transfer of fun...
Selected
I applied via Company Website and was interviewed in Sep 2023. There were 4 interview rounds.
Array,binary search, Aptitude
(1 Question)
- Q1. Coding Questions, java, Web development
(1 Question)
- Q1. Just normal Questions
Selected
I applied via Naukri.com and was interviewed in Aug 2023. There were 2 interview rounds.
It have some aptitude question and 2 coding question
(1 Question)
- Q1. Basic hr question asked like salary and all
Interview Preparation Tips
K VENKATA SAI DEEPAK
Selected
I appeared for an interview in Apr 2024.
(2 Questions)
- Q1. Basics of sql and some coding questions
- Q2. Data structures
(1 Question)
- Q1. Putin arrays strings
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Nielsen Senior Data Engineer Interview Process
based on 3 interviews
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