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Deutsche Bank Big Data Engineer Interview Questions and Answers
Deutsche Bank Big Data Engineer Interview Experiences
2 interviews found
Anonymous
Selected
I applied via Naukri.com and was interviewed before Jul 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Spark framework
- Q2. Difference between coalesce and repartition
- Ans.
Coalesce reduces the number of partitions without shuffling data, while repartition increases the number of partitions by shuffling data.
Coalesce is used to reduce the number of partitions in a DataFrame without shuffling the data.
Repartition is used to increase the number of partitions in a DataFrame by shuffling the data across the cluster.
Coalesce is more efficient when reducing partitions as it avoids shuffling dat...
(2 Questions)
- Q1. Hadoop ecosystem
- Q2. RDDs and dataframes
Skills evaluated in this interview
I applied via Approached by Company and was interviewed before Oct 2022. There were 3 interview rounds.
(1 Question)
- Q1. Python coding questions
(1 Question)
- Q1. Python moderate level coding questions
Interview Preparation Tips
Interview questions from similar companies
I applied via Naukri.com and was interviewed in Jun 2024. There was 1 interview round.
Pyspark scenario questions
Selected
I applied via Approached by Company and was interviewed in Jul 2022. There were 4 interview rounds.
It was having 3 coding questions, moderate to hard category with some Mcqs regarding computer science fundamentals.
(1 Question)
- Q1. It was mainly focused on dbms, Data structures and project
(1 Question)
- Q1. Barclays gives utmost priority to its values, so here is the round related to values part. You should be familiar with the values of the Barclays.
Interview Preparation Tips
Hello Neeaccount
I applied via LinkedIn and was interviewed in Aug 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Asked regarding sql to make a table and given some queries to solve over the table
- Q2. Given easy code to solve before them very easy
(2 Questions)
- Q1. Regarding place
- Q2. Regarding night shifts
Interview Preparation Tips
I applied via Recruitment Consulltant and was interviewed in Nov 2024. There was 1 interview round.
(1 Question)
- Q1. Load 60 GB of csv file and perform transformation.
- Ans.
Use distributed computing framework like Apache Spark to efficiently load and transform the large CSV file.
Use Apache Spark to distribute the workload across multiple nodes for faster processing.
Utilize Spark's DataFrame API to read the CSV file and apply transformations.
Consider partitioning the data to optimize performance.
Use Spark SQL for complex transformations and aggregations.
Leverage in-memory processing capabi
Data Analyst Interview Questions & Answers
Equitas Small Finance Bank
Naga Bhagavan
posted on 30 Dec 2024
(3 Questions)
- Q1. Tell me about your self
- Q2. SQL basics
- Q3. Banking terms
HARSHIT SINGH
(2 Questions)
- Q1. What is data analyst
- Ans.
A data analyst is a professional who collects, processes, and analyzes data to provide insights and support decision-making.
Collects data from various sources
Cleans and processes data to ensure accuracy
Analyzes data using statistical methods and tools
Interprets data to identify trends and patterns
Presents findings and recommendations to stakeholders
- Q2. Asked question regarding project mention
Skills evaluated in this interview
GAURI Jadhav
I applied via Campus Placement
Basic maths questions
Basic topics movies vs series
(2 Questions)
- Q1. Sql Queries were asked
- Q2. Was based on resume
(2 Questions)
- Q1. Based on resume the questions were
- Q2. Questions about family
(1 Question)
- Q1. Automation done
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Deutsche Bank Big Data Engineer Reviews and Ratings
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Rating in categories
|
Associate
4.7k
salaries
|  ₹8.8 L/yr - ₹34 L/yr |
|
Senior Analyst
3.9k
salaries
| ₹3.8 L/yr - ₹16.5 L/yr |
|
Assistant Vice President
3.3k
salaries
| ₹15.9 L/yr - ₹48.5 L/yr |
|
Analyst
2.1k
salaries
| ₹2 L/yr - ₹11 L/yr |
|
Financial Analyst
1k
salaries
| ₹1.7 L/yr - ₹10.2 L/yr |
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