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HARMAN AWS Data Engineer Interview Questions and Answers
HARMAN AWS Data Engineer Interview Experiences
1 interview found
Anonymous
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
(2 Questions)
- Q1. Write a program to find the greatest from the list of elements within a window range, where window size is 3.
- Ans.
Program to find greatest element in a window of size 3
Iterate through the list and maintain a window of size 3
Find the maximum element in each window and store it in a separate list
Return the list of maximum elements
- Q2. Write a pyspark code to create dataframe from multiple list.
- Ans.
Creating a dataframe from multiple lists using PySpark code.
Import necessary libraries like pyspark.sql.
Create lists of data.
Create a SparkSession.
Convert lists to RDDs and then to a DataFrame.
Display the DataFrame.
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Interview questions from similar companies
Easy to answer ,asked mostly on sql and other ml topics
(2 Questions)
- Q1. Differencde between sql and nosql
- Ans.
SQL is a relational database management system, while NoSQL is a non-relational database management system.
SQL databases are table-based and have a predefined schema, while NoSQL databases are document-based, key-value pairs, graph databases, or wide-column stores.
SQL databases are good for complex queries and transactions, while NoSQL databases are better for hierarchical data storage and real-time web applications.
Ex...
- Q2. What are the regularization in ml
- Ans.
Regularization in machine learning is a technique used to prevent overfitting by adding a penalty term to the model's loss function.
Regularization helps in reducing the complexity of the model by penalizing large coefficients.
Common types of regularization include L1 (Lasso) and L2 (Ridge) regularization.
L1 regularization adds the absolute value of the coefficients to the loss function, promoting sparsity.
L2 regulariza...
Skills evaluated in this interview
Selected
I applied via Walk-in and was interviewed in Dec 2024. There were 2 interview rounds.
How to ready for my work
(2 Questions)
- Q1. What type of work do you typically perform in an office setting?
- Q2. How to developed for in team working
Interview Preparation Tips
- Data Entry
shaoyi li
(2 Questions)
- Q1. Why do you apply for this position
- Ans.
I am passionate about leveraging data to drive insights and make informed decisions.
Passionate about working with data and analytics
Excited about the opportunity to contribute to data-driven decision making
Interested in the challenges and opportunities in the field of data engineering
- Q2. What is your current salay
- Ans.
I am currently earning a competitive salary based on my experience and skills.
My current salary is in line with industry standards for data engineers.
I have received raises and bonuses based on my performance.
I am open to discussing salary expectations for this role.
Data Engineer Interview Questions & Answers
BSH Home Appliances Group
Preetham Abhi
posted on 2 Jan 2025
(1 Question)
- Q1. Data engineering related
(2 Questions)
- Q1. Introduce yourself
- Q2. Expectations
(1 Question)
- Q1. Offers and benefits
tyler chun
(2 Questions)
- Q1. Exptected salary
- Q2. What do you expect for work
- Ans.
I expect challenging projects, opportunities for growth, collaborative team environment, and work-life balance.
Challenging projects that allow me to apply my data science skills and learn new techniques
Opportunities for growth and advancement within the company
Collaborative team environment where I can share ideas and work together towards common goals
Work-life balance to ensure I can perform at my best both profession
Topic was joining and calculating
Data Scientist Interview Questions & Answers
LG Electronics
Shivang Singh Kaira
posted on 2 Jan 2025
Basic python questions
I applied via Campus Placement and was interviewed in Apr 2024. There were 3 interview rounds.
(1 Question)
- Q1. No questions just project submission
(1 Question)
- Q1. Basic ques on python and sql
(1 Question)
- Q1. Basic ques on resume and sql
Selected
(1 Question)
- Q1. Asked to create a power bi dashboard
(1 Question)
- Q1. Had coding test on SQL and Python
I applied via Company Website and was interviewed in Feb 2024. There was 1 interview round.
(1 Question)
- Q1. Sets and tuple difference and python data structures
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