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Bajaj Finserv Data Engineer Interview Questions and Answers
Bajaj Finserv Data Engineer Interview Experiences
6 interviews found
Anonymous
I applied via Approached by Company and was interviewed in Feb 2022. There were 5 interview rounds.
(1 Question)
- Q1. We were asked to find mean, median and mode of a data and send it through an API link.
Was asked 10 MCQ and 1 coding question of easy difficulty.
(1 Question)
- Q1. This was technical interview 1 where I was asked about my knowledge on Data warehousing, Big data, Python. Was asked about my projects.
(1 Question)
- Q1. In Tech interview 2 I was asked a lot on SQL and Python and was grilled on abstract topic of data and its uses. Was grilled on my projects also.
(1 Question)
- Q1. I was asked to talk about anything other than academics. And was asked some basic HR questions.
Interview Preparation Tips
- SQL
- Python
- Data Warehousing
- Big Data
Selected
I applied via Campus Placement
Quantitative And Reasoning questions
There is one code which u will have written in any language u are want.
(2 Questions)
- Q1. Sql joins, window functions
- Q2. Writing some queries in front of interviewer
Swapnil Hingmire
Python features and implementation
(1 Question)
- Q1. Difference between while and for
- Ans.
While loop is used when the number of iterations is not known beforehand, while for loop is used when the number of iterations is known.
While loop is entry-controlled, meaning the condition is checked before the loop body is executed.
For loop is exit-controlled, meaning the condition is checked after the loop body is executed.
While loop is used when the number of iterations is not known beforehand, for loop is used whe
I was interviewed in May 2022.
(1 Question)
Round duration - 90 minutes
Round difficulty - Medium
- Q1. How would you design an API to receive messages at the specified URL?
Round duration - 30 minutes
Round difficulty - Medium
Mostly asked stuff related to python and SQL as per the requirement of the role. Timing was around 1 pm, the environment and the interviewer were both suitable and friendly respectively.
The overall experience of the interview was great
Round duration - 15 minutes
Round difficulty - Easy
Asked team related question, the environment was ms teams, HR was friendly. Overall interview experience was great
Interview Preparation Tips
Tip 1 : practice atleast 3 medium to hard DSA questions daily
Tip 2 : do dynamic programming 2 questions daily
Tip 3 : dont forget to study other subjects like operating systems, DBMS as they are generally asked
Tip 1 : write briefly about yourself
Tip 2 : not only academic but also put in some extra curricular information
Skills evaluated in this interview
Bajaj Finserv interview questions for designations
I applied via Campus Placement and was interviewed in Mar 2022. There were 4 interview rounds.
(1 Question)
- Q1. Need to send an API request to the address they given. We need to send the details like name, college name, email id, etc.
It was aptitude and coding both at a time given MCQs on core subjects like oops, dsa, data base and given 1 coding question.
(1 Question)
- Q1. Basic Introductions, projects, core concepts questions, mysql
Interview Preparation Tips
- Database
- Python
- Programming
- DSA
- Core subjects
Selected
I applied via Campus Placement and was interviewed before Apr 2023. There was 1 interview round.
Questions on aptitude,SQL, python
Top trending discussions
Interview questions from similar companies
I applied via Walk-in and was interviewed in Apr 2024. There were 3 interview rounds.
(2 Questions)
- Q1. What is lazy evaluation in spark.
- Ans.
Lazy evaluation in Spark delays the execution of transformations until an action is called.
Lazy evaluation allows Spark to optimize the execution plan by combining multiple transformations into a single stage.
Transformations are not executed immediately, but are stored as a directed acyclic graph (DAG) of operations.
Actions trigger the execution of the DAG and produce results.
Example: map() and filter() are transformat...
- Q2. What is mapreduce
- Ans.
MapReduce is a programming model and processing technique for parallel and distributed computing.
MapReduce is used to process large datasets in parallel across a distributed cluster of computers.
It consists of two main functions - Map function for processing key/value pairs and Reduce function for aggregating the results.
Popularly used in big data processing frameworks like Hadoop for tasks like data sorting, searching...
(1 Question)
- Q1. What is skewness and skewd tables
- Ans.
Skewness is a measure of asymmetry in a distribution. Skewed tables are tables with imbalanced data distribution.
Skewness is a statistical measure that describes the asymmetry of the data distribution around the mean.
Positive skewness indicates a longer tail on the right side of the distribution, while negative skewness indicates a longer tail on the left side.
Skewed tables in data engineering refer to tables with imba...
(1 Question)
- Q1. What is spark and explain working
- Ans.
Spark is a distributed computing framework designed for big data processing.
Spark is built around the concept of Resilient Distributed Datasets (RDDs) which allow for fault-tolerant parallel processing of data.
It provides high-level APIs in Java, Scala, Python, and R for ease of use.
Spark can run on top of Hadoop, Mesos, Kubernetes, or in standalone mode.
It includes modules for SQL, streaming, machine learning, and gra...
Interview Preparation Tips
- Big Data
Skills evaluated in this interview
Selected
I applied via Naukri.com and was interviewed in Mar 2024. There were 3 interview rounds.
(1 Question)
- Q1. Explain error handling in PySpark
- Ans.
Error handling in PySpark involves using try-except blocks and logging to handle exceptions and errors.
Use try-except blocks to catch and handle exceptions in PySpark code
Utilize logging to record errors and exceptions for debugging purposes
Consider using the .option('mode', 'PERMISSIVE') method to handle corrupt records in data processing
(1 Question)
- Q1. Data Warehousing related questions
(1 Question)
- Q1. Data Modelling related questions
Skills evaluated in this interview
Data Engineer Interview Questions & Answers
JPMorgan Chase & Co.
Sowjanya Pavan
posted on 16 Oct 2024
(2 Questions)
- Q1. Advanced sql on ctl
- Q2. Python data structure
Interview Preparation Tips
(1 Question)
- Q1. Why RDBMS over Non RDBMs
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Bajaj Finserv Data Engineer Interview Process
based on 3 interviews
2 Interview rounds
- Technical Round
- Coding Test Round
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