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PwC Data Engineer Interview Questions, Process, and Tips
Top PwC Data Engineer Interview Questions and Answers
- Q1. What is data flow? Difference with ADF pipeline and data flow
- Q2. What is the difference between reparation and coalesce? What is the difference between persist and cache?
- Q3. What is afd? build dynamic pipeline spark arcticture sql data flow
PwC Data Engineer Interview Experiences
19 interviews found
Anonymous
I applied via Naukri.com and was interviewed in Nov 2023. There was 1 interview round.
(1 Question)
- Q1. SQL ,Python,pyspark,ETL
I applied via Company Website and was interviewed before Oct 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Python coding questions
- Q2. Sql queries, etl, aws
(2 Questions)
- Q1. Ctc, ectc, why not
- Q2. Why pwc, why leaving previous firm
- Ans.
Seeking new challenges and opportunities for growth at PwC after gaining valuable experience at previous firm.
Looking for new challenges and opportunities for growth
Interested in the unique projects and clients at PwC
Want to expand skill set and knowledge in data engineering
Previous firm provided valuable experience but seeking new environment
Selected
I applied via Recruitment Consulltant and was interviewed before Feb 2023. There was 1 interview round.
(1 Question)
- Q1. What are the challenges you faced during migrating any data from one system to other?
- Ans.
Challenges faced during data migration include data loss, compatibility issues, downtime, and security concerns.
Data loss: Ensuring all data is successfully transferred without any loss or corruption.
Compatibility issues: Ensuring data formats, structures, and systems are compatible for seamless migration.
Downtime: Minimizing downtime during migration to avoid disruption to operations.
Security concerns: Ensuring data s...
Skills evaluated in this interview
What people are saying about PwC
Selected
I applied via Naukri.com and was interviewed before Jul 2023. There were 3 interview rounds.
(2 Questions)
- Q1. Questions related to joins
- Q2. Questions related to query optimisation
(2 Questions)
- Q1. Few technical questions
- Q2. Project related questions
(2 Questions)
- Q1. Common HR questions
- Q2. Salary discussion
PwC interview questions for designations
I applied via Naukri.com and was interviewed in Aug 2022. There was 1 interview round.
(2 Questions)
- Q1. What is data flow? Difference with ADF pipeline and data flow
- Ans.
Data flow is a visual representation of data movement and transformation. ADF pipeline is a set of activities to move and transform data.
Data flow is a drag-and-drop interface to design data transformation logic
ADF pipeline is a set of activities to orchestrate data movement and transformation
Data flow is more flexible and powerful than ADF pipeline
Data flow can be used to transform data within a pipeline or as a stand
- Q2. Is nested for each possible in ADF?
- Ans.
Yes, nested for each is possible in ADF.
Nested for each can be used to iterate through nested arrays or objects.
It can be used in mapping data flows and pipelines.
Example: For each customer, for each order, for each item in order.
It can improve performance by reducing the number of activities in a pipeline.
Interview Preparation Tips
Skills evaluated in this interview
Get interview-ready with Top PwC Interview Questions
Sridhar Bhukya
I applied via Naukri.com and was interviewed in Jul 2022. There were 2 interview rounds.
(1 Question)
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(1 Question)
- Q1. A;LMFSAEJFS'P.SADMF'LASMK'N
Interview Preparation Tips
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Data Engineer Jobs at PwC
Subham Mondal
I applied via Naukri.com and was interviewed in Feb 2022. There were 2 interview rounds.
(1 Question)
- Q1. What is afd? build dynamic pipeline spark arcticture sql data flow
(1 Question)
- Q1. Sql pyspark more about project and pipeline trigger
Interview Preparation Tips
Skills evaluated in this interview
Interview Questionnaire
4 Questions
- Q1. Window function
- Q2. Data skewness
- Q3. SCD concepts
- Q4. Spark and sql joins
Interview Preparation Tips
I was interviewed in Aug 2021.
Interview Questionnaire
1 Question
- Q1. Repartition vs coalesce, dag vs lineage
- Ans.
Explanation of repartition vs coalesce and dag vs lineage in data engineering
Repartition: increases or decreases the number of partitions in a DataFrame or RDD
Coalesce: decreases the number of partitions in a DataFrame or RDD
DAG (Directed Acyclic Graph): a graph that represents the flow of data and operations in a Spark job
Lineage: the history of transformations that were applied to a RDD or DataFrame
Repartition is a s...
Interview Preparation Tips
Skills evaluated in this interview
PwC Interview FAQs
Some of the top questions asked at the PwC Data Engineer interview -
The duration of PwC Data Engineer interview process can vary, but typically it takes about less than 2 weeks to complete.
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PwC Data Engineer Interview Process
based on 14 interviews in last 1 year
1 Interview rounds
- Technical Round
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PwC Data Engineer Reviews and Ratings
based on 18 reviews
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