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OSI Digital Data Engineer Interview Questions and Answers

Updated 28 May 2024

OSI Digital Data Engineer Interview Experiences

1 interview found

Data Engineer Interview Questions & Answers

user image Anonymous

posted on 28 May 2024

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Approached by Company and was interviewed in Nov 2023. There was 1 interview round.

Round 1 - Technical 

(3 Questions)

  • Q1. 1. Lead and lag based questions
    • Add your answer
  • Q2. 2. Coleasce and repartition in spark
  • Ans. 

    Coalesce reduces the number of partitions in a DataFrame, while repartition reshuffles the data across a specified number of partitions in Spark.

    • Coalesce is used to reduce the number of partitions in a DataFrame without shuffling the data

    • Repartition is used to increase or decrease the number of partitions in a DataFrame by shuffling the data across the specified number of partitions

    • Coalesce is more efficient than repar...

    • Answered by AI
    Add your answer
  • Q3. 3. Some sql questions
    • Add your answer

Interview Preparation Tips

Topics to prepare for OSI Digital Data Engineer interview:
  • SQL
  • Spark

Skills evaluated in this interview

Top trending discussions

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Career Growth
2w (edited)
a technical lead
Help to Understand
I have below 2 offers. which one to join. Need some guidance. 1. Luxoft - 32 fixed lpa. WFH. 1 lac joining bonus. 2. TCS - 31 fixed . over all ctc - 36. no WFH. 2 lac joining bonus (temporarily hybrid 3 days in client location which is near to my place till the time assigned to same project)
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Interview questions from similar companies

Software Engineer Interview Questions & Answers

Apexon user image Anonymous

posted on 30 May 2020

I applied via Company Website and was interviewed in Apr 2020. There were 4 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Are you updating day by day yourself in technology ?
    • Add your answer
  • Q2. Yes, means you will definitely placed in technosoft.
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - I had done certification and learn the skill day by day, waiting for the opening in technosoft. I had attended three round of interview, if you have real skill and self confidence you will definitely placed in technosoft global services

Software Engineer Interview Questions & Answers

Apexon user image Anonymous

posted on 1 Sep 2022

I applied via Naukri.com and was interviewed before Sep 2021. 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 

(3 Questions)

  • Q1. Do you have knowledge of Hadoop data ware house?
  • Ans. 

    Yes, I have knowledge of Hadoop data warehouse.

    • I have experience in designing and implementing Hadoop-based data warehouses.

    • I am proficient in Hadoop ecosystem technologies such as HDFS, MapReduce, Hive, and Pig.

    • I have worked with large-scale data processing and storage using Hadoop.

    • I am familiar with data warehousing concepts such as ETL, data modeling, and data integration.

    • I have used Hadoop to build data warehouses

    • Answered by AI
    Add your answer
  • Q2. SQl questions using joins.
    • Add your answer
  • Q3. Have you used python scripts in your testing?
  • Ans. 

    Yes, I have used Python scripts extensively in my testing.

    • I have used Python scripts for automated testing of web applications.

    • I have also used Python scripts for unit testing of backend code.

    • Python's unittest module is particularly useful for this purpose.

    • I have also used Python scripts for load testing and performance testing.

    • Python's requests library is very helpful for testing APIs.

    • I have also used Python scripts f

    • Answered by AI
    Add your answer
Round 3 - HR 

(1 Question)

  • Q1. What is your current ctc and what is your expected ctc?
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Please prepare the SQL for ETL job role and apexon interviews would be a easy one to crack.

Skills evaluated in this interview

Software Engineer Interview Questions & Answers

Incedo user image Anonymous

posted on 26 Mar 2021

I applied via Naukri.com and was interviewed before Mar 2020. There were 4 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Difference between Hashtable and hashmap?
  • Ans. 

    Hashtable is synchronized while hashmap is not.

    • Hashtable is thread-safe while hashmap is not.

    • Hashtable does not allow null keys or values while hashmap allows one null key and multiple null values.

    • Hashtable is slower than hashmap due to synchronization.

    • Hashtable is a legacy class while hashmap is a newer implementation.

    • Answered by AI
    Add your answer
  • Q2. Difference between hashmap and concurrent hashmap?
  • Ans. 

    Hashmap is not thread-safe while Concurrent Hashmap is thread-safe.

    • Hashmap is not suitable for multi-threaded environments as it can lead to race conditions and data inconsistencies.

    • Concurrent Hashmap allows multiple threads to access and modify the map concurrently without any data inconsistencies.

    • Concurrent Hashmap uses a technique called lock striping to achieve thread-safety.

    • Concurrent Hashmap is slower than Hashma...

    • Answered by AI
    Add your answer
  • Q3. Jdbc step
    • Add your answer
  • Q4. Spring ioc
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview was average they asked questions from core java spring hibernate... And so on..

Skills evaluated in this interview

Software Engineer Interview Questions & Answers

Xoriant user image Anonymous

posted on 25 Apr 2022

I applied via Naukri.com and was interviewed before Apr 2021. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Basic python list tuples set dictionary related questions
    • Add your answer
  • Q2. Decorators generator and django rest framework
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Focus on logical and basic python fundamental

Software Engineer Interview Questions & Answers

Bounteous x Accolite user image Anonymous

posted on 20 Jun 2021

I applied via Campus Placement and was interviewed in May 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Dsa java oops dbms networking
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Good interview experience.
You have to be very strong in DSA.

Software Engineer Interview Questions & Answers

Altimetrik user image Anonymous

posted on 17 Apr 2021

Interview Questionnaire 

1 Question

  • Q1. Basic javascript questions , clouser, promise
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepared well on basic of javascript

Software Engineer Interview Questions & Answers

Globant user image Anonymous

posted on 26 Nov 2021

I applied via Naukri.com and was interviewed before Nov 2020. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Basic questions on javascript, angular, html,css
    • Add your answer
  • Q2. Questions on localstorage , tokens, security, interceptors
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - be confident and u will rock

Software Engineer Interview Questions & Answers

Globant user image Anonymous

posted on 13 Jun 2021

I applied via LinkedIn and was interviewed before Jun 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Basics Of JS
    • Add your answer

Software Engineer Interview Questions & Answers

CitiusTech user image Anonymous

posted on 14 Apr 2021

I applied via Recruitment Consultant and was interviewed in Oct 2020. There were 6 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Oops concepts with examples, SQL query to find second highest salary, diff between fail fast and fail safe, how did u implement security in your app, etc
    • Add your answer

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare basic Java concepts
More about working at OSI Digital

OSI Digital Interview FAQs

How many rounds are there in OSI Digital Data Engineer interview?
OSI Digital interview process usually has 1 rounds. The most common rounds in the OSI Digital interview process are Technical.
What are the top questions asked in OSI Digital Data Engineer interview?

Some of the top questions asked at the OSI Digital Data Engineer interview -

  1. 2. Coleasce and repartition in sp...read more
  2. 1. Lead and lag based questi...read more
  3. 3. Some sql questi...read more

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OSI Digital Data Engineer Interview Process

based on 1 interview

Interview experience

3
  
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OSI Digital Data Engineer Salary
based on 4 salaries
₹3.4 L/yr - ₹7.5 L/yr
53% less than the average Data Engineer Salary in India
View more details
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