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phData Data Engineer Interview Questions and Answers

Updated 21 Nov 2024

phData Data Engineer Interview Experiences

2 interviews found

Data Engineer Interview Questions & Answers

user image Anonymous

posted on 21 Nov 2024

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Sql and azure data

Data Engineer Interview Questions & Answers

user image Anonymous

posted on 25 Mar 2024

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Sep 2023. There were 5 interview rounds.

Round 1 - HR 

(1 Question)

  • Q1. HR Screening Round. Questions on Hadoop, Big Data, RDD etc.
Round 2 - Coding Test 

Codility round. 3 sections - Python, SQL, Cloud

Round 3 - Coding Test 

Code Review and Technical.

Round 4 - One-on-one 

(1 Question)

  • Q1. Techno Managerial Round
Round 5 - HR 

(1 Question)

  • Q1. HR round and salary discussion.

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Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Spark and airflow related questions
  • Q2. AWS services and it's related questions
Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Job Portal and was interviewed in Mar 2024. There were 3 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. How to decide upon Spark cluster sizing?
  • Ans. 

    Spark cluster sizing depends on workload, data size, memory requirements, and processing speed.

    • Consider the size of the data being processed

    • Take into account the memory requirements of the Spark jobs

    • Factor in the processing speed needed for the workload

    • Scale the cluster based on the number of nodes and cores required

    • Monitor performance and adjust cluster size as needed

  • Answered by AI
  • Q2. Question on Spark internals
Round 2 - Case Study 

Implement a pipeline based on given conditions and data requirement

Round 3 - HR 

(1 Question)

  • Q1. There were no questions as such. They want me join on very next day when the HR discussion was over and started itimidating me with aggressive approach even without discussing the salary part and the benef...

Interview Preparation Tips

Interview preparation tips for other job seekers - I could clear both the rounds and salary discussion was the only thing left I decided not to join the company because of the way HR handled the process.
Based on the HR behaviour, I can say there is no respect for an employee/ candidate.
The behaviour was like as if I am at the mercy of the employer and I don't have any other company in this world.

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Tell me about yourself, second highest salary , question related to coleasce function
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. NLP based question
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(4 Questions)

  • Q1. Components of Databricks
  • Ans. 

    Databricks is a unified data analytics platform that includes components like Databricks Workspace, Databricks Runtime, and Databricks Delta.

    • Databricks Workspace: Collaborative environment for data science and engineering teams.

    • Databricks Runtime: Optimized Apache Spark cluster for data processing.

    • Databricks Delta: Unified data management system for data lakes.

  • Answered by AI
  • Q2. How to read a json file
  • Ans. 

    To read a JSON file, use a programming language's built-in functions or libraries to parse the file and extract the data.

    • Use a programming language like Python, Java, or JavaScript to read the JSON file.

    • Import libraries like json in Python or json-simple in Java to parse the JSON data.

    • Use functions like json.load() in Python to load the JSON file and convert it into a dictionary or object.

    • Access the data in the JSON fi...

  • Answered by AI
  • Q3. Second highest salary SQL
  • Ans. 

    To find the second highest salary in SQL, use the MAX function with a subquery or the LIMIT clause.

    • Use the MAX function with a subquery to find the highest salary first, then use a WHERE clause to exclude it and find the second highest salary.

    • Alternatively, use the LIMIT clause to select the second highest salary directly.

    • Make sure to handle cases where there may be ties for the highest salary.

  • Answered by AI
  • Q4. How to configure the spark while creating the cluster
  • Ans. 

    Spark cluster configuration involves setting up memory, cores, and other parameters for optimal performance.

    • Specify the number of executors and executor memory

    • Set the number of cores per executor

    • Adjust the driver memory based on the application requirements

    • Configure shuffle partitions for efficient data processing

    • Enable dynamic allocation for better resource utilization

  • Answered by AI
Round 1 - Coding Test 

Medium level of coding questions were asked. Didn't need a lot of optimization to pass the test cases so it wasn't very hard.

Round 2 - Technical 

(1 Question)

  • Q1. Medium level coding questions were asked. Questions on programming concepts like OOPS, scope of variables were asked. Multiple questions were asked on probability. I was asked questions based on conditiona...

Interview Preparation Tips

Interview preparation tips for other job seekers - Learn about the company. Prepare yourself for interviews with conditional probaility.
Round 1 - Coding Test 

2 Interview rounds for technical
1st Interview
Duration - 1 hr
Topics - Python DSA question,

Round 2 - Technical 

(2 Questions)

  • Q1. SQL Joins, query , performance
  • Q2. Python scripting , pandas, pyspark

Interview Preparation Tips

Interview preparation tips for other job seekers - Have good knowledge in SQL, Python and cloud technology.

I applied via Naukri.com and was interviewed in Feb 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
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
Round 2 - Technical 

(1 Question)

  • Q1. Spark Concepts, Performance Tuning
Round 3 - HR 

(1 Question)

  • Q1. Discussion about CTC

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared for basics and advanced concepts of Big Data/Cloud.

phData Interview FAQs

How many rounds are there in phData Data Engineer interview?
phData interview process usually has 3 rounds. The most common rounds in the phData interview process are HR, Coding Test and One-on-one Round.
How to prepare for phData 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 phData . The most common topics and skills that interviewers at phData expect are Python, Computer science, Data migration, Java and Machine Learning.
What are the top questions asked in phData Data Engineer interview?

Some of the top questions asked at the phData Data Engineer interview -

  1. Techno Managerial Ro...read more
  2. sql and azure d...read more

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phData Data Engineer Interview Process

based on 2 interviews

Interview experience

4.5
  
Good
View more
phData Data Engineer Salary
based on 35 salaries
₹6.3 L/yr - ₹19 L/yr
21% more than the average Data Engineer Salary in India
View more details

phData Data Engineer Reviews and Ratings

based on 9 reviews

4.9/5

Rating in categories

4.9

Skill development

4.9

Work-life balance

4.5

Salary

4.8

Job security

4.6

Company culture

4.6

Promotions

4.4

Work satisfaction

Explore 9 Reviews and Ratings
Data Engineer
35 salaries
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₹6.3 L/yr - ₹19 L/yr

Associate Data Engineer
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₹2 L/yr - ₹8 L/yr

Senior Data Engineer
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₹13 L/yr - ₹26 L/yr

Solution Architect
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₹22 L/yr - ₹57.2 L/yr

Devops Engineer
10 salaries
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₹4.3 L/yr - ₹13.7 L/yr

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