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AVASOFT Senior Data Engineer Interview Questions and Answers

Updated 27 Feb 2025

AVASOFT Senior Data Engineer Interview Experiences

2 interviews found

Senior Data Engineer Interview Questions & Answers

user image Agila Shanmugam

posted on 27 Feb 2025

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

I was interviewed before Feb 2024.

Round 1 - Group Discussion 

They will present some common topics and allow 2 to 3 minutes for preparation. Following that, they will invite volunteers to speak. Finally, they will select individuals who excel in communication and can explain details in simple terms to ensure the other person understands.

Round 2 - Aptitude Test 

Topics related to general aptitude include technical skills and English language proficiency.

Round 3 - Technical 

(1 Question)

  • Q1. They will be asking questions based on the skill sets they mentioned in their business. They would have expect some business understanding based on the final year project you have done.

Interview Preparation Tips

Interview preparation tips for other job seekers - Maintain straightforward communication, excel in English communication, possess a strong understanding of your skill sets, and cultivate a business understanding of the projects you have previously worked on.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed in Jan 2025.

Round 1 - Group Discussion 

In GD I was provided with general topics not related to technical concepts

Round 2 - Technical 

(1 Question)

  • Q1. Questions related to Python and SQL
Round 3 - HR 

(1 Question)

  • Q1. Discussed about my Salary expectations

Interview Preparation Tips

Interview preparation tips for other job seekers - If you are fresher, AVASOFT is the best starting point to you

Senior Data Engineer Interview Questions Asked at Other Companies

asked in 7 Eleven
Q1. Write a query to get the customer with the highest total order va ... read more
asked in 7 Eleven
Q2. There are 10 million records in the table and the schema does not ... read more
asked in 7 Eleven
Q3. How do you handle data pipeline when the schema information keeps ... read more
asked in 7 Eleven
Q4. Difference between Parquet and ORC file. Why industry uses parque ... read more
asked in 7 Eleven
Q5. What is Normalisation and Denormalisation? When do we use them? G ... read more

Interview questions from similar companies

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(2 Questions)

  • Q1. Cache vs persist
  • Ans. 

    Cache is used for temporary storage of data in memory, while persist is used for saving data to disk for long-term storage.

    • Cache is typically faster as it stores data in memory for quick access.

    • Persist saves data to disk for durability and long-term storage.

    • Cache is often used for temporary data that can be recomputed if lost, while persist is used for important data that needs to be retained.

    • Examples: Using cache for ...

  • Answered by AI
  • Q2. Broadcast join and other optimization techniques
Round 2 - One-on-one 

(4 Questions)

  • Q1. Sql window function
  • Q2. Spark architecture, dataframe vs rdd
  • Q3. Python reverse sentence
  • Ans. 

    Reverse a sentence using Python

    • Split the sentence into words using split() method

    • Reverse the list of words using list slicing

    • Join the reversed list of words back into a sentence using join() method

  • Answered by AI
  • Q4. Join based on nulls in sql

Skills evaluated in this interview

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

(2 Questions)

  • Q1. How did you ingest kafka data and you day to day activity
  • Ans. 

    I ingested Kafka data using Kafka Connect and performed data processing and analysis on a daily basis.

    • Used Kafka Connect to ingest data from various sources into Kafka topics

    • Developed custom Kafka Connect connectors for specific data sources

    • Utilized Kafka Streams for real-time data processing and analysis

    • Worked with schema registry for data serialization and deserialization

  • Answered by AI
  • Q2. What is catalyst optimizer
  • Ans. 

    Catalyst optimizer is a query optimization framework in Apache Spark that improves performance by generating optimized query plans.

    • Catalyst optimizer is a rule-based optimization framework in Apache Spark.

    • It leverages advanced techniques like predicate pushdown, constant folding, and join reordering to optimize query plans.

    • Catalyst optimizer helps in improving the performance of Spark SQL queries by selecting the most ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - learn spark architecture and about your project end to end

Skills evaluated in this interview

Interview experience
1
Bad
Difficulty level
-
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Approached by Company and was interviewed in Mar 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Stored procedure sql hard
  • Q2. Easy dsa problem solving
Interview experience
1
Bad
Difficulty level
Moderate
Process Duration
-
Result
No response

I applied via Walk-in and was interviewed in Nov 2024. There were 5 interview rounds.

Round 1 - Coding Test 

Normal online code / frontend test

Round 2 - Technical 

(1 Question)

  • Q1. How would you build book my show
  • Ans. 

    Designing and building a platform similar to BookMyShow involves creating a user-friendly interface for booking tickets for various events.

    • Develop a user-friendly website and mobile app for users to browse and book tickets for movies, concerts, plays, etc.

    • Implement a secure payment gateway for users to make online transactions.

    • Integrate a database to store information about events, venues, tickets, and user bookings.

    • In...

  • Answered by AI
Round 3 - Technical 

(1 Question)

  • Q1. Solid principals, awareness of patterns
Round 4 - Technical 

(1 Question)

  • Q1. How would you build tinyurl like service, systems designs
  • Ans. 

    To build a tinyurl-like service, design a system with a URL shortening algorithm, a database to store mappings, and a redirect service.

    • Use a hashing algorithm to generate short URLs from long URLs (e.g. MD5, SHA-256).

    • Store the mappings of short URLs to long URLs in a database (e.g. MySQL, Redis).

    • Implement a redirect service that takes a short URL, looks up the corresponding long URL in the database, and redirects the u...

  • Answered by AI
Round 5 - One-on-one 

(1 Question)

  • Q1. Non-technical questions

Interview Preparation Tips

Interview preparation tips for other job seekers - no reply after giving so many rounds.
Interview experience
1
Bad
Difficulty level
Easy
Process Duration
-
Result
Selected Selected

I was interviewed in Dec 2024.

Round 1 - Coding Test 

Mainly 4 Questions
1-2 MCQ
3: Create a class deriving from IReptile and return an object of HatchEgg which has Hatch Method. Hatch Method should return same IReptile object.
4) Sorting IDs in dictionary

Round 2 - Technical 

(2 Questions)

  • Q1. The Interviewer was Very Rude and he doesn't care about the Requirements of Hiring a candidate. he was constantly asking about Other Companies Architectures and The things you did in them. instead of havin...
  • Q2. SOLID, Interfaces , Boxing/Unboxing

Interview Preparation Tips

Interview preparation tips for other job seekers - Stay away from this company. very toxic
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
-

I applied via Referral and was interviewed in Sep 2024. There were 2 interview rounds.

Round 1 - Technical 

(4 Questions)

  • Q1. Find longest palindromic substring in a given string.
  • Ans. 

    Use dynamic programming to find the longest palindromic substring in a given string.

    • Iterate through the string and expand around each character to find palindromes.

    • Store the length of the longest palindrome found so far.

    • Return the substring based on the start and end indices of the longest palindrome.

  • Answered by AI
  • Q2. How to serialize and deserialise a tree
  • Ans. 

    To serialize and deserialize a tree, use a recursive approach to traverse the tree and store the data in a suitable format.

    • Use pre-order traversal to serialize the tree by storing the node values in a list or string.

    • For deserialization, reconstruct the tree by recursively building nodes from the serialized data.

    • Consider using JSON or XML format for serialization to easily store and retrieve tree structure.

  • Answered by AI
  • Q3. Find if a given regex (containing ., * and lower case english chars) matches a given string.
  • Ans. 

    Use regex library to match given regex with string.

    • Use a regex library like re in Python to match the given regex with the string.

    • Check if the regex matches the string using the library functions.

    • Handle cases where the regex contains special characters like . and * appropriately.

  • Answered by AI
  • Q4. Explain about throttling and implement throttle function.
  • Ans. 

    Throttling is a technique used to control the rate of requests sent to a server.

    • Throttling helps prevent server overload by limiting the number of requests processed at a time.

    • Implementing a throttle function involves setting a maximum request rate and delaying excess requests.

    • Example: Implementing a throttle function in a web application to limit the number of API calls made to a third-party service.

    • Example: Throttlin...

  • Answered by AI
Round 2 - Technical 

(4 Questions)

  • Q1. Find squares of elements in a sorted array and return the sorted response.
  • Ans. 

    Sort the squares of elements in a sorted array and return the sorted response.

    • Iterate through the array and square each element.

    • Store the squared values in a new array.

    • Sort the new array and return it.

  • Answered by AI
  • Q2. Write a short promise example and implement your own promise
  • Ans. 

    A promise is a commitment to do something in the future, typically used for asynchronous operations in JavaScript.

    • Promises are used to handle asynchronous operations in JavaScript.

    • They represent a value that may be available now, in the future, or never.

    • Promises have three states: pending, fulfilled, or rejected.

    • Example: new Promise((resolve, reject) => { setTimeout(() => resolve('Done!'), 1000); });

  • Answered by AI
  • Q3. Explain event loop, what are different types of queues in event loop
  • Ans. 

    Event loop is a mechanism that allows for asynchronous execution of code by managing the order of events in a single thread.

    • Event loop continuously checks the call stack for any functions that need to be executed, and processes them in a non-blocking manner.

    • Different types of queues in event loop include microtask queue (Promise callbacks), macrotask queue (setTimeout, setInterval callbacks), and animation frame queue

  • Answered by AI
  • Q4. What is virtual DOM and why its faster
  • Ans. 

    Virtual DOM is a lightweight copy of the actual DOM, used to improve performance by minimizing direct manipulation of the real DOM.

    • Virtual DOM is a concept used in frameworks like React to optimize rendering performance.

    • Changes are first made to the virtual DOM, which is then compared to the real DOM to identify the minimal updates needed.

    • This approach reduces the number of actual DOM manipulations, resulting in faster...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for ServiceNow Senior Software Engineer interview:
  • React.Js
  • Javascript
  • DSA

Skills evaluated in this interview

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

(1 Question)

  • Q1. Reverse the linked list.
Round 2 - Technical 

(1 Question)

  • Q1. Internel working of Hashmap
Round 3 - HR 

(1 Question)

  • Q1. Salary Discussion
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Naukri.com and was interviewed in Dec 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

It was well designed

Round 2 - Technical 

(2 Questions)

  • Q1. Basic Questions about data warehousing
  • Q2. Dbt Scenarios

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well for dbt and other ETL tools

AVASOFT Interview FAQs

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

Some of the top questions asked at the AVASOFT Senior Data Engineer interview -

  1. They will be asking questions based on the skill sets they mentioned in their b...read more
  2. Questions related to Python and ...read more

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AVASOFT Senior Data Engineer Interview Process

based on 2 interviews

Interview experience

5
  
Excellent
View more
AVASOFT Senior Data Engineer Salary
based on 5 salaries
₹8 L/yr - ₹13 L/yr
41% less than the average Senior Data Engineer Salary in India
View more details

AVASOFT Senior Data Engineer Reviews and Ratings

based on 2 reviews

5.0/5

Rating in categories

5.0

Skill development

5.0

Work-life balance

5.0

Salary

5.0

Job security

4.5

Company culture

5.0

Promotions

5.0

Work satisfaction

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