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Persistent Systems Senior Data Engineer Interview Questions, Process, and Tips
Updated
27 Sep 2024
Top Persistent Systems Senior Data Engineer Interview Questions and Answers
- Q1. What is the best approach to finding whether the data frame is empty or not?
- Q2. What is the difference between repartition and Coelsce?
- Q3. Two SQL Codes and Two Python codes like reverse a string ?
2 Persistent Systems Senior Data Engineer Interview Experiences
23 questions found
Sort by:
Popular
Interview experience
Good
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
No response
I applied via Naukri.com and was interviewed in Aug 2024.
2 Interview Rounds
1
Technical Round (12 Questions)
- Q1. Tell me about yourself and Project View Answers (1)
- Q2. What was you day-to-day job in your project View Answers (1)
- Q3. Spark Architecture Add Answer
- Q4. How DAG handle Fault tolerance? View Answers (1)
- Q5. What is shuffling? How to Handle Shuffling? View Answers (1)
- Q6. What is the difference between repartition and Coelsce? View Answers (1)
- Q7. How do you handle Incremental data? View Answers (1)
- Q8. What is SCD ?? View Answers (1)
- Q9. Scenerio based questions related to Spark ? Add Answer
- Q10. Two SQL Codes and Two Python codes like reverse a string ? View Answers (1)
- Q11. Find top 5 countries with highest population in Spark and SQL View Answers (1)
- Q12. Using two tables find the different records for different joins View Answers (1)
2
One-on-one Round (7 Questions)
- Q1. What is a catalyst optimiser? How it works? View Answers (1)
- Q2. Tell me about the optimization you used in your project. View Answers (1)
- Q3. Pyspark question related to merging two schemas? Add Answer
- Q4. What is the best approach to finding whether the data frame is empty or not? View Answers (1)
- Q5. Spark Architecture Add Answer
- Q6. How do you decide on cores and worker nodes? View Answers (1)
- Q7. What happens when we enforce schema ? View Answers (1)
Interview Preparation Tips
Topics to prepare for Persistent Systems Senior Data Engineer interview:
- SQL
- Pyspark
- Python
- Spark
- Database
Skills evaluated in this interview
kajal bomble
Interview experience
Good
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
Selected
I applied via Naukri.com and was interviewed before Jun 2023.
3 Interview Rounds
1
One-on-one Round (2 Questions)
- Q1. It’s general type of question Add Answer
- Q2. Experience n all Add Answer
2
Group Discussion Round
It’s just reasoning type questions.
3
Technical Round (2 Questions)
- Q1. What is ssis? How we use View Answers (1)
- Q2. When we use ssis packages? Difference between union merge View Answers (1)
Skills evaluated in this interview
Get interview-ready with top interview questions
Interview questions from similar companies
Interview experience
Good
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
Not Selected
I applied via Company Website and was interviewed in Sep 2024.
2 Interview Rounds
1
Coding Test Round
Platform - Hackerank
Duration - 2 Hours
Topics - Spark and SQL
2
Technical Round (3 Questions)
- Q1. What are the common file formats used in data storages? Which one is best for compression? View Answers (1)
- Q2. SQL Problem - Given the empoyee attendance table, write a query to print the employees who is abscent for more than cosecutive 10 days in their tenure. Add Answer
- Q3. Given the list of words, write the Python program to print the most repeating substring out of all words. View Answers (1)
Interview Preparation Tips
Interview preparation tips for other job seekers - Prepare well in SQL, Spark and Python coding problems.
Skills evaluated in this interview
Interview experience
Excellent
Difficulty level
-
Duration
-
Result
-
1 Interview Round
1
Technical Round (3 Questions)
- Q1. ReduceByKey vs groupByKey View Answers (1)
- Q2. Word count in scala View Answers (1)
- Q3. Second highest salary SQL View Answers (1)
Skills evaluated in this interview
Senior Data Engineer Interview Questions
Virtusa Consulting Services
Anonymous
posted on 30 May 2024
Interview experience
Good
Difficulty level
Easy
Duration
Less than 2 weeks
Result
Selected
I applied via LinkedIn and was interviewed in Apr 2024.
1 Interview Round
1
Technical Round (2 Questions)
- Q1. What do you know about Spark architecture? View Answers (1)
- Q2. How many stages will be created if a spark job has 3 wide transformations and 2 narrow transformations? View Answers (1)
Interview Preparation Tips
Topics to prepare for Virtusa Consulting Services Senior Data Engineer interview:
- Spark
- Python
- SQL
Skills evaluated in this interview
Interview experience
Good
Difficulty level
-
Duration
-
Result
-
2 Interview Rounds
1
Technical Round (1 Question)
- Q1. SQL Order of execution View Answers (1)
2
Technical Round (1 Question)
- Q1. How to identify the root-cause if an executor is taking longer time compared to others View Answers (1)
Skills evaluated in this interview
Interview experience
Poor
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
Not Selected
I applied via Approached by Company and was interviewed in Jun 2023.
3 Interview Rounds
1
Resume Shortlist Round
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
2
Technical Round (3 Questions)
- Q1. Explain spark internal flow from end to end View Answers (1)
- Q2. Explain details of hive meta store View Answers (1)
- Q3. Write sql query for some simple tables View Answers (1)
3
Technical Round (2 Questions)
- Q1. Depth into data engineer skills Add Answer
- Q2. More questions on python programming Add Answer
Skills evaluated in this interview
Balamaheswara J
Interview experience
Good
Difficulty level
-
Duration
-
Result
-
2 Interview Rounds
1
Technical Round (2 Questions)
- Q1. Write python code to remove duplicates from list of string View Answers (1)
- Q2. Write SQL to get 2nd highest sal View Answers (1)
2
Technical Round (2 Questions)
- Q1. Pyspark scd type2 implementation View Answers (1)
- Q2. Remove duplicates in a dataframe View Answers (1)
Interview Preparation Tips
Interview preparation tips for other job seekers - Interview was cleared
Skills evaluated in this interview
Interview experience
Average
Difficulty level
Moderate
Duration
2-4 weeks
Result
Selected
I applied via Naukri.com and was interviewed in Jun 2023.
4 Interview Rounds
1
Resume Shortlist Round
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
2
Technical Round (1 Question)
- Q1. Pyspark, SQL questions Add Answer
3
Technical Round (1 Question)
- Q1. Questions about previous project Add Answer
4
HR Round (1 Question)
- Q1. Salary Discussions and expectations Add Answer
I applied via Recruitment Consulltant and was interviewed in Nov 2021.
4 Interview Rounds
1
Aptitude Test Round
Normal aptitude test
2
Technical Round (1 Question)
- Q1. Technical discussion on big data and some programing problem Add Answer
3
Technical Round (1 Question)
- Q1. 2nd technical discussion based on project, big data and python Add Answer
4
HR Round (1 Question)
- Q1. Normal HR discussion and salary negotiation Add Answer
Interview Preparation Tips
Interview preparation tips for other job seekers - Brush up your core skill and basic programming knowledge
Persistent Systems Interview FAQs
How many rounds are there in Persistent Systems Senior Data Engineer interview?
Persistent Systems interview process usually has 2-3 rounds. The most common rounds in the Persistent Systems interview process are One-on-one Round, Technical and Group Discussion.
How to prepare for Persistent Systems Senior Data Engineer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Persistent Systems. The most common topics and skills that interviewers at Persistent Systems expect are Java, Kafka, Python, HBase and Hadoop.
What are the top questions asked in Persistent Systems Senior Data Engineer interview?
Some of the top questions asked at the Persistent Systems Senior Data Engineer interview -
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Persistent Systems Senior Data Engineer Reviews and Ratings
based on 2 reviews
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