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Exponentia.ai Associate Data Engineer Interview Questions and Answers

Updated 12 Nov 2022

Exponentia.ai Associate Data Engineer Interview Experiences

1 interview found

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 Resume tips
Round 2 - Aptitude Test 

Medium to difficult level Questions

Round 3 - Technical 

(2 Questions)

  • Q1. SQL queries and python
  • Q2. BI related questions
Round 4 - Technical 

(1 Question)

  • Q1. SQL queries and python codes
Round 5 - HR 

(1 Question)

  • Q1. Soft skills and background

Interview Preparation Tips

Interview preparation tips for other job seekers - Nice company for freshers who are opting career in data/business analytics

Interview questions from similar companies

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

(1 Question)

  • Q1. NLP based question
Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
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 Resume tips
Round 2 - Technical 

(1 Question)

  • Q1. Basic SQL questions and Window fuctions
Round 3 - HR 

(1 Question)

  • Q1. HR asked how was the interview last round and gave me feedback

Interview Preparation Tips

Interview preparation tips for other job seekers - Answered almost all questions but still the interviewer gave feedback as, cannot write pyspark code. Although there was only one pyspark coding question and I did it.
In fact interviewer turned camera off several times between and missed responding for a few seconds.
He even didn't tell me to share screen to see what I code.

Totally not serious about the interview..
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed before Jan 2023. There were 4 interview rounds.

Round 1 - Aptitude Test 

Aptitude test has 70 questions to be done in 75 minutes. It's moderately tough but not very tough with right amount of preparation

Round 2 - Coding Test 

I was from non-cs background so coding round was not mandatory but for cs people it was mandatory to clear it. It has SQL and python and they were easy to moderate. I am a fresher (imagineer) so we had to go this interview process

Round 3 - Technical 

(1 Question)

  • Q1. The interviewer was really nice and that went so smooth for me. 1. Asked questions from IC Engines and stuff 😄, as I was from mechanical 2.In coding, Sorting and Oops concepts were asked 3. Guessimates ...
Round 4 - HR 

(1 Question)

  • Q1. Typical HR questions
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Job Fair and was interviewed before Feb 2023. There were 3 interview rounds.

Round 1 - Coding Test 

1 hour, 2 coding and 20 MCQs

Round 2 - Technical 

(1 Question)

  • Q1. 1 hour deep discussion on data engineering
Round 3 - HR 

(1 Question)

  • Q1. Salary discussion, company policies etc

Interview Preparation Tips

Interview preparation tips for other job seekers - Read SQL, PySpark, Performance Optimization, and Python.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
Selected Selected
Round 1 - Technical 

(1 Question)

  • Q1. Sql questions and python
Round 2 - Behavioral 

(1 Question)

  • Q1. About last projects
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Aug 2023. There were 4 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. SQL query on joins, window function, remove duplicates, 2nd highest rank
  • Q2. Azure Data Factory, ETL questions
Round 2 - Technical 

(2 Questions)

  • Q1. SQL, python technical questions
  • Q2. Managerial questions
Round 3 - HR 

(2 Questions)

  • Q1. Strength and weakness
  • Q2. Typical hr questions
Round 4 - Aptitude Test 

Quantitative Analysis, Data Interpretation, Logical Reasoning

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

I applied via Naukri.com and was interviewed before Sep 2023. There were 2 interview rounds.

Round 1 - Assignment 

They give you SQL assignment to complete based on that select for technical interview

Round 2 - Technical 

(2 Questions)

  • Q1. What are window functions in SQL
  • Ans. 

    Window functions in SQL are used to perform calculations across a set of table rows related to the current row.

    • Window functions are used to calculate values based on a set of rows related to the current row.

    • They allow you to perform calculations without grouping the rows into a single output row.

    • Examples of window functions include ROW_NUMBER(), RANK(), DENSE_RANK(), and NTILE().

  • Answered by AI
  • Q2. Difference between group by and distinct
  • Ans. 

    Group by is used to group rows that have the same values into summary rows, while distinct is used to remove duplicate rows from a result set.

    • Group by is used with aggregate functions like COUNT, SUM, AVG, etc.

    • Distinct is used to retrieve unique values from a column or set of columns.

    • Group by is used to perform operations on groups of rows, while distinct is used to filter out duplicate rows.

    • Group by is used in conjunc...

  • Answered by AI

Skills evaluated in this interview

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Exponentia.ai Interview FAQs

How many rounds are there in Exponentia.ai Associate Data Engineer interview?
Exponentia.ai interview process usually has 5 rounds. The most common rounds in the Exponentia.ai interview process are Technical, HR and Resume Shortlist.
What are the top questions asked in Exponentia.ai Associate Data Engineer interview?

Some of the top questions asked at the Exponentia.ai Associate Data Engineer interview -

  1. SQL queries and pyt...read more
  2. SQL queries and python co...read more
  3. Soft skills and backgro...read more

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