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DELTA Data Engineer Interview Questions, Process, and Tips

Updated 9 Jul 2024

DELTA Data Engineer Interview Experiences

1 interview found

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

I applied via LinkedIn and was interviewed in Jun 2024. There were 3 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Explain Spark architecture
  • Ans. 

    Spark architecture is based on a master-slave architecture with a cluster manager to coordinate tasks.

    • Spark has a master node that manages the cluster and worker nodes that execute tasks.

    • It uses a cluster manager like YARN or Mesos to allocate resources and schedule tasks.

    • Spark applications are run as independent sets of processes on a cluster, coordinated by the SparkContext object.

    • It has a resilient distributed datas...

  • Answered by AI
  • Q2. Write a python program to greoup annagram
  • Ans. 

    Python program to group anagrams in an array of strings

    • Create a dictionary to store sorted strings as keys and corresponding anagrams as values

    • Iterate through the array of strings, sort each string and add it to the dictionary

    • Return the values of the dictionary as grouped anagrams

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. How to achieve aws cross account sharing?
  • Ans. 

    AWS cross account sharing can be achieved by using IAM roles and policies.

    • Create an IAM role in the account that will share resources

    • Define a trust policy in the role to allow the other account to assume the role

    • Attach a policy to the role granting the necessary permissions

    • In the receiving account, create an IAM role with a trust policy allowing the sharing account to assume the role

    • Use the AWS CLI or console to assume

  • Answered by AI
  • Q2. Difference between logical plan and physical plan in pyspark?
  • Ans. 

    Logical plan represents the high-level abstract representation of the computation to be performed, while physical plan represents the actual execution plan with specific optimizations and details.

    • Logical plan is a high-level abstract representation of the computation to be performed.

    • Physical plan is the actual execution plan with specific optimizations and details.

    • Logical plan is created first and then optimized to gen...

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. General questions about cultural fitment

Interview Preparation Tips

Topics to prepare for DELTA Data Engineer interview:
  • Python
  • AWS
  • pyspark
Interview preparation tips for other job seekers - be strong in fundamental of python, Pyspark, aws and ready for aws scenario based questions. I have noted all the questions in a blog at -----

Skills evaluated in this interview

Interview questions from similar companies

I applied via Recruitment Consultant and was interviewed before Sep 2018. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1.  overloading ,inheritance concepts,structures,pointers

Interview Preparation Tips

Interview preparation tips for other job seekers - have good understanding of basics and have expertise on any specific area.

Interview Questionnaire 

2 Questions

  • Q1. Basic Programming Questions, Data structures, SQL queries
  • Q2. This was the most simple one, they simply asked introduce yourself and fine with night shifts.

Interview Preparation Tips

General Tips: I joined HCL as a fresher and got Intervie

Interview Questionnaire 

1 Question

  • Q1. What I know and what I don't know

Interview Preparation Tips

Round: Test
Experience: Aptitude, reasoning, logical, etc. 2 hours

Interview Questionnaire 

2 Questions

  • Q1. C and C++ - technically related stuffs
  • Q2. Communicate and fluency

I was interviewed in Feb 2017.

Interview Preparation Tips

Round: Resume Shortlist
Tips: skill and experience is priority

Round: Test
Experience: subjective questions
Duration: 1 hour

Round: Technical Interview
Experience: c++ questions

Round: HR Interview
Experience: experience and past details

Interview Preparation Tips

Round: Test
Experience: Very easy questions. Practice R.S Agarwal aptitude and verbal books.
Duration matters. Solve the questions fast.Skip the questions if you think you don't know dont kill time on them.

In verbal most of the questions on subject verb agrement-wikipedia links are enough to practice on them.

It's easy just try to solve as many as u can and dont leave the questions unanswered,no negative marking.
Duration: 80 minutes
Total Questions: 120

Skill Tips: Talk in english. Be confident. smile in face.
Skills: c Language, Thinking ability, English fluency
College Name: K L University
Funny Moments: Im very bad in solving puzzles. The HR over there asking puzzles to every one.
It's my turn the 1st question he asked me was what are you bad at?
no 2nd thought I said solving puzzles...In that way he didnt ask me any puzzles. He checked my confidence, english fluency...e.t.c.

I was interviewed in Oct 2016.

Interview Questionnaire 

2 Questions

  • Q1. Question on specific language
  • Q2. Based on company

Interview Preparation Tips

Round: Test
Experience: There was 7 sections. And each section has a 60% sectional cutoff
Tips: Attempt questions which you know and you are confident about
Duration: 50 minutes
Total Questions: 70

Round: Story writing
Experience: Write a story based on picture
Tips: No grammatical errors must be there

Round: Technical Interview
Experience: 1 hour interview but based on technical and daily life
Tips: Be confident

Round: HR Interview
Experience: Just a simple round..bcoz u are almost selected
Tips: Be positive

Skills: Communication And Confidence

Interview Preparation Tips

Round: Resume Shortlist
Experience: The eligibility criteria was > 65% in academics.it was a pool campus drive in which nearly 5-6 college students participated in it

Round: Test
Duration: 1 hour

College Name: Institute of aeronautical engineering

Interview Preparation Tips

Round: Test
Experience: CAT type questions were asked.
Duration: 75 minutes

Round: HR Interview
Experience: It was a nice experience.Basic simple questions were asked, like- family background, achievement,s extracurricular activities, projects, etc.
Tips: Be calm and confident.

College Name: NIT WARANGAL

DELTA Interview FAQs

How many rounds are there in DELTA Data Engineer interview?
DELTA interview process usually has 3 rounds. The most common rounds in the DELTA interview process are Technical and HR.
What are the top questions asked in DELTA Data Engineer interview?

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

  1. how to achieve aws cross account shari...read more
  2. Difference between logical plan and physical plan in pyspa...read more
  3. write a python program to greoup annag...read more

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DELTA Data Engineer Interview Process

based on 1 interview

Interview experience

5
  
Excellent
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₹3.5 L/yr - ₹27.6 L/yr
33% more than the average Data Engineer Salary in India
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