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Luxoft Azure Data Engineer Interview Questions, Process, and Tips

Updated 1 Aug 2024

Luxoft Azure Data Engineer Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(5 Questions)

  • Q1. Types of clusters in Databricks
  • Ans. 

    Types of clusters in Databricks include Standard, High Concurrency, and Single Node clusters.

    • Standard clusters are used for general-purpose workloads

    • High Concurrency clusters are optimized for concurrent workloads

    • Single Node clusters are used for development and testing purposes

  • Answered by AI
  • Q2. What is catalyst optimiser in Spark
  • Ans. 

    Catalyst optimizer is a query optimizer in Apache Spark that leverages advanced techniques to optimize and improve the performance of Spark SQL queries.

    • Catalyst optimizer uses a rule-based and cost-based optimization approach to generate an optimized query plan.

    • It performs various optimizations such as constant folding, predicate pushdown, and projection pruning to improve query performance.

    • Catalyst optimizer also leve...

  • Answered by AI
  • Q3. What is explode function
  • Ans. 

    Explode function is used in Apache Spark to split an array into multiple rows.

    • Used in Apache Spark to split an array into multiple rows

    • Creates a new row for each element in the array

    • Commonly used in data processing and transformation tasks

  • Answered by AI
  • Q4. Delta lake vs data lake
  • Ans. 

    Delta Lake is an open-source storage layer that brings ACID transactions to Apache Spark and big data workloads.

    • Delta Lake provides ACID transactions, schema enforcement, and time travel capabilities on top of data lakes.

    • Data lakes are a storage repository that holds a vast amount of raw data in its native format until it is needed.

    • Delta Lake is optimized for big data workloads and provides reliability and performance ...

  • Answered by AI
  • Q5. What is RDD ?
  • Ans. 

    RDD stands for Resilient Distributed Dataset, a fundamental data structure in Apache Spark.

    • RDD is a fault-tolerant collection of elements that can be operated on in parallel.

    • RDDs are immutable, meaning they cannot be changed once created.

    • RDDs support two types of operations: transformations (creating a new RDD from an existing one) and actions (returning a value to the driver program).

  • Answered by AI

Skills evaluated in this interview

Azure Data Engineer Jobs at Luxoft

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Interview questions from similar companies

Interview Questionnaire 

1 Question

  • Q1. About my college projects and about my passion

I applied via Recruitment Consulltant and was interviewed before Apr 2021. There were 3 interview rounds.

Round 1 - Aptitude Test 

Standard Aptitude questions

Round 2 - Coding Test 

Based on strings and array

Round 3 - One-on-one 

(1 Question)

  • Q1. Background questions and technical questions related to problem solved

Interview Preparation Tips

Interview preparation tips for other job seekers - Mindtree is one of the best companies, i really miss working there.
It's more on your self development and your carrier.

Interview Questionnaire 

1 Question

  • Q1. A-Z in MySQL, programming languages(only concepts)

Interview Questionnaire 

1 Question

  • Q1. Questions on java and selenium

I applied via Referral and was interviewed before Feb 2021. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Technical round was purely based on end to end Power BI Technical questions
Round 2 - One-on-one 

(1 Question)

  • Q1. Management round was based on past career experience and challenges faced

Interview Preparation Tips

Topics to prepare for LTIMindtree Senior Software Engineer interview:
  • Dax
  • Power Bi
  • Business Intelligence
  • Reporting
Interview preparation tips for other job seekers - Be confident honest while sharing your career experience instead of being materialist, be yourself and answer at your best.

Interview Questionnaire 

1 Question

  • Q1. Level check error

Interview Questionnaire 

2 Questions

  • Q1. Tell us about projects
  • Q2. I explained it

Interview Questionnaire 

2 Questions

  • Q1. Tell about project
  • Q2. I explained it

I applied via Campus Placement and was interviewed in Oct 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. What is dictionary in python?
  • Ans. 

    Dictionary is a collection of key-value pairs in Python.

    • Keys must be unique and immutable.

    • Values can be of any data type.

    • Access values using keys.

    • Add or modify values using keys.

    • Use dict() constructor or {} to create a dictionary.

    • Example: {'name': 'John', 'age': 30}

    • Example: dict(name='John', age=30)

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - easy one. any language will do the job.

Skills evaluated in this interview

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Luxoft Interview FAQs

How many rounds are there in Luxoft Azure Data Engineer interview?
Luxoft interview process usually has 1 rounds. The most common rounds in the Luxoft interview process are Technical.
How to prepare for Luxoft Azure 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 Luxoft. The most common topics and skills that interviewers at Luxoft expect are Python, Azure Data Factory, Pyspark, SQL and Data Analysis.
What are the top questions asked in Luxoft Azure Data Engineer interview?

Some of the top questions asked at the Luxoft Azure Data Engineer interview -

  1. What is catalyst optimiser in Sp...read more
  2. What is explode funct...read more
  3. What is RD...read more

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Luxoft Azure Data Engineer Interview Process

based on 1 interview

Interview experience

5
  
Excellent
View more

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Luxoft Azure Data Engineer Salary
based on 6 salaries
₹7 L/yr - ₹27 L/yr
78% more than the average Azure Data Engineer Salary in India
View more details
Senior Regular Azure Data Engineer

Remote

2-7 Yrs

Not Disclosed

6+ years of Azure Data Engineer_ Hyderabad_ 0-30 Day NP only

Hyderabad / Secunderabad

6-10 Yrs

Not Disclosed

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