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Innovaccer Data Engineer 2 Interview Questions and Answers

Updated 26 Apr 2024

Interview questions from similar companies

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

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

Round 1 - Technical 

(2 Questions)

  • Q1. On Project from resume
  • Q2. GenAI basics
Round 2 - Technical 

(2 Questions)

  • Q1. RAG, LLM, Azure OpenAI
  • Q2. Python questions

Interview Preparation Tips

Topics to prepare for Axtria Data Scientist interview:
  • genai
  • Python
  • Llm
Interview preparation tips for other job seekers - Good interview process, good interviewer
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
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
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
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
-

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

Round 1 - One-on-one 

(2 Questions)

  • Q1. Probability related
  • Q2. Stats related like IQR etc.
Round 2 - Technical 

(2 Questions)

  • Q1. Difference between entropy & information gain
  • Ans. 

    Entropy measures randomness in data, while information gain measures the reduction in uncertainty after splitting data.

    • Entropy is used in decision trees to measure impurity in a dataset before splitting it.

    • Information gain is used in decision trees to measure the effectiveness of a split in reducing uncertainty.

    • Entropy ranges from 0 (pure dataset) to 1 (completely impure dataset).

    • Information gain is calculated as the d...

  • Answered by AI
  • Q2. LSTM & GRU, Which to use when ?
  • Ans. 

    LSTM for longer sequences, GRU for faster training and less complex models.

    • Use LSTM for tasks requiring long-term dependencies and memory retention.

    • Use GRU for faster training and simpler models with fewer parameters.

    • Consider using LSTM for tasks like language translation or speech recognition.

    • Consider using GRU for tasks like sentiment analysis or text generation.

  • Answered by AI
Round 3 - Case Study 

Time Series data were given, we have to provide some insights

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

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

Round 1 - Phonographic interview 

(2 Questions)

  • Q1. Tell me about your self?
  • Q2. What technology & tools u know ? And basic questions regarding that topics ?
Round 2 - Photographic interview 

(2 Questions)

  • Q1. Job culture and job responsibilities ?
  • Q2. Some questions on an analytical tools like power BI ?
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 was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. About the project and technical aspect
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

It contain both Aptitude and Coding about base models and Deep learning too

Round 2 - Technical 

(2 Questions)

  • Q1. What different models technique ?
  • Ans. 

    Different models techniques include linear regression, decision trees, random forests, support vector machines, and neural networks.

    • Linear regression is used for predicting continuous values.

    • Decision trees are used for classification and regression tasks.

    • Random forests are an ensemble method based on decision trees.

    • Support vector machines are used for classification tasks.

    • Neural networks are used for complex pattern re

  • Answered by AI
  • Q2. What are performance metric where to use what?
  • Ans. 

    Different performance metrics are used for different types of machine learning models to evaluate their effectiveness.

    • For classification models, metrics like accuracy, precision, recall, F1 score, and ROC-AUC are commonly used.

    • For regression models, metrics like mean squared error (MSE), mean absolute error (MAE), and R-squared are commonly used.

    • For clustering models, metrics like silhouette score and Davies-Bouldin in...

  • Answered by AI
Round 3 - HR 

(2 Questions)

  • Q1. Explain about Project
  • Q2. What are problems faced in that project?

Skills evaluated in this interview

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

Highly interactive and technical

Round 2 - Aptitude Test 

1 hr test with focus on math and analytical thinking

Innovaccer Interview FAQs

How many rounds are there in Innovaccer Data Engineer 2 interview?
Innovaccer interview process usually has 1 rounds. The most common rounds in the Innovaccer interview process are HR.

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Innovaccer Data Engineer 2 Interview Process

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