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ION Group Data Scientist Interview Questions, Process, and Tips

Updated 14 Jun 2024

ION Group Data Scientist Interview Experiences

1 interview found

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

I applied via Campus Placement and was interviewed in May 2024. There were 5 interview rounds.

Round 1 - Aptitude Test 

Python Programming related questions, along with one advanced SQL query problem. The final question was a Data Science project on prediting sales potential of various outlets.

Round 2 - Technical 

(4 Questions)

  • Q1. Pattern based - Three memory chips, each of 1GB. You have to store 3GB of data in these chips in such a way that even if one memory chip is corrupted, no data is lost.
  • Ans. 

    Use RAID 5 to store data across all three memory chips with parity bits for fault tolerance.

    • Implement RAID 5 to distribute data and parity bits across all three memory chips.

    • If one memory chip is corrupted, the data can be reconstructed using the parity bits from the other two chips.

    • Example: Store 1GB of data on each chip and use the remaining space for parity bits to ensure fault tolerance.

  • Answered by AI
  • Q2. DSA question - Get the longest common prefix string from a list of strings
  • Ans. 

    Find the longest common prefix string from a list of strings.

    • Iterate through the characters of the first string and compare with corresponding characters of other strings

    • Stop when a mismatch is found or when reaching the end of any string

    • Return the prefix found so far

  • Answered by AI
  • Q3. DBMS question - What are joins and what are their types?
  • Ans. 

    Joins are used in DBMS to combine rows from two or more tables based on a related column between them.

    • Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

    • INNER JOIN returns rows when there is at least one match in both tables.

    • LEFT JOIN returns all rows from the left table and the matched rows from the right table.

    • RIGHT JOIN returns all rows from the right table and the matched rows from the left tab...

  • Answered by AI
  • Q4. ML and DL question - Activation functions, Exploding and Vanishing Gradient problems, LSTM and GRU models frameworks and differences.
Round 3 - Case Study 

Was taken by the product manager employed in the company. Basic case study question regarding a ride share app planning to expand internationally.

Round 4 - Group Discussion 

A formal orientation and introduction with the VP and founder of ION India

Round 5 - One-on-one 

(2 Questions)

  • Q1. Introduce yourself and mention your work that makes you relevant for the job.
  • Q2. Is there any correlation between algorithms and law?
  • Ans. 

    Algorithms and law can be correlated through the use of algorithms in legal processes and decision-making.

    • Algorithms can be used in legal research to analyze large amounts of data and identify patterns or trends.

    • Predictive algorithms can be used in legal cases to assess the likelihood of success or failure.

    • Algorithmic tools can help in legal document review and contract analysis.

    • However, there are concerns about bias i...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for ION Group Data Scientist interview:
  • DBMS
  • Data Structures
  • Algorithms
  • Machine Learning
  • Deep Learning
  • Python
  • Data Analysis
  • Data Visualization
  • NLP
  • Llm
  • Data Processing
  • Business Intelligence

Skills evaluated in this interview

Data Scientist Jobs at ION Group

View all

Interview questions from similar companies

Interview Questionnaire 

1 Question

  • Q1. Was asked to explain one of my work projects in detail, Basic pandas syntax

Data Scientist Interview Questions & Answers

Chetu user image Abhilasha Dimble

posted on 22 Feb 2024

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

I applied via Naukri.com and was interviewed in Jan 2024. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Asked about projects. What is classification? Is knn used for regression?how? decision tree working for regression and classification Is naive Bayes used for regression?how? LLM Docker Aws GenAI Code for ...

Interview Preparation Tips

Interview preparation tips for other job seekers - Guys, interviewer is really wierd...very rude...
Starts interview with lots of questions..
He interrupts me in every question's answer.. doesn't even ready listen my answers ...
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Aug 2023. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. What is Bert and transformer
  • Ans. 

    Bert and transformer are models used in natural language processing for tasks like text classification and language generation.

    • Bert (Bidirectional Encoder Representations from Transformers) is a transformer-based model developed by Google for NLP tasks.

    • Transformer is a deep learning model architecture that uses self-attention mechanisms to process sequential data like text.

    • Both Bert and transformer have been widely use...

  • Answered by AI
  • Q2. NLP pre processing techniques
  • Ans. 

    NLP pre processing techniques involve cleaning and preparing text data for analysis.

    • Tokenization: breaking text into words or sentences

    • Stopword removal: removing common words that do not add meaning

    • Lemmatization: reducing words to their base form

    • Normalization: converting text to lowercase

    • Removing special characters and punctuation

  • Answered by AI
Round 2 - HR 

(2 Questions)

  • Q1. Basic questions
  • Q2. Strength weakness

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Mar 2023. There was 1 interview round.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Past projects of machine learning
  • Ans. 

    Developed a predictive model for customer churn using machine learning algorithms.

    • Used Python and scikit-learn library for data preprocessing and model building

    • Performed feature engineering to improve model performance

    • Evaluated model performance using metrics like accuracy, precision, and recall

  • Answered by AI
  • Q2. Distributed computing and spark questions

Skills evaluated in this interview

I was interviewed before Jun 2016.

Interview Questionnaire 

6 Questions

  • Q1. What is a bond? What are different types of bonds?
  • Ans. 

    A bond is a debt security that represents a loan made by an investor to a borrower.

    • Bonds are issued by governments, municipalities, and corporations.

    • They are used to raise capital and finance projects.

    • Different types of bonds include government bonds, corporate bonds, municipal bonds, and convertible bonds.

    • Government bonds are issued by national governments and are considered low-risk.

    • Corporate bonds are issued by comp...

  • Answered by AI
  • Q2. Tell us something about your specialisation subjects of BBA
  • Ans. 

    My specialisation subjects in BBA include marketing, finance, human resource management, and operations management.

    • Marketing involves understanding consumer behavior and creating strategies to promote products or services.

    • Finance focuses on managing funds, investments, and financial planning.

    • Human resource management deals with recruiting, training, and managing employees.

    • Operations management involves overseeing produ...

  • Answered by AI
  • Q3. Which is your favourite subject? Describe about it
  • Ans. 

    My favorite subject is history because I enjoy learning about past events and how they have shaped the world we live in today.

    • I find studying different time periods and cultures fascinating

    • I enjoy analyzing historical documents and artifacts

    • I like understanding how historical events have influenced current societies and politics

  • Answered by AI
  • Q4. Are you comfortable in night shifts
  • Ans. 

    Yes, I am comfortable with night shifts as I have prior experience working in night shifts.

    • I have previous experience working night shifts in my previous job.

    • I am able to adjust my sleep schedule to accommodate night shifts.

    • I understand the importance of being alert and focused during night shifts.

    • I am willing to work night shifts if required for the role.

  • Answered by AI
  • Q5. What are your hobbies
  • Ans. 

    My hobbies include hiking, painting, and playing the guitar.

    • Hiking: I enjoy exploring nature trails and challenging myself physically.

    • Painting: I find relaxation and creativity in expressing myself through art.

    • Playing the guitar: I love learning new songs and improving my musical skills.

  • Answered by AI
  • Q6. Where do your parents and siblings work
  • Ans. 

    My parents work in education and my siblings work in finance and healthcare.

    • Parents work in education

    • Siblings work in finance and healthcare

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: In this round there was an online test which had objective and subjective questions regarding the mentioned sections.
Duration: 1 hour
Total Questions: 30

Round: Technical Interview
Experience: The interviewer asked such questions about my graduation subjects and a little about how familiar I am of the work the company deals in.

Round: HR Interview
Experience: This round had the HR person ask general questions about my hobbies and about my family background and also told me about the company, its culture and the salary structure

College Name: Maharaja Surajmal Institute Of Technology
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
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 - One-on-one 

(2 Questions)

  • Q1. Describe yourself briefly about your experience
  • Q2. Tell about your current company

Interview Preparation Tips

Interview preparation tips for other job seekers - Just relax and trust the process of Moodys, be confident in your answers.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Mar 2023. There was 1 interview round.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Key ratios and Industry related question
  • Q2. Profit ratio, leverage ratio
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Apr 2023. There were 2 interview rounds.

Round 1 - HR 

(1 Question)

  • Q1. Why do you want to work with financial data?
  • Ans. 

    I am passionate about analyzing financial trends and making data-driven decisions.

    • I have a strong interest in understanding how economic factors impact financial markets.

    • I enjoy working with large datasets to identify patterns and trends in financial data.

    • I believe that analyzing financial data can provide valuable insights for making strategic business decisions.

    • I am excited about the opportunity to use my analytical ...

  • Answered by AI
Round 2 - One-on-one 

(1 Question)

  • Q1. What is an experience you had explaining data insights to someone?
  • Ans. 

    I explained data insights to a marketing team by creating visualizations and providing actionable recommendations.

    • Used charts and graphs to visually represent data trends

    • Provided clear explanations of key findings and insights

    • Suggested specific strategies based on the data analysis

    • Encouraged team members to ask questions and engage in discussions

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Naukri.com and was interviewed in May 2024. There were 3 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. About data profiling
  • Q2. Data mapping questions
Round 2 - Behavioral 

(2 Questions)

  • Q1. Problem solving questions
  • Q2. Scenario based questions
Round 3 - HR 

(2 Questions)

  • Q1. Yet to receive call
  • Q2. Yet to confirm the dates
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ION Group Interview FAQs

How many rounds are there in ION Group Data Scientist interview?
ION Group interview process usually has 5 rounds. The most common rounds in the ION Group interview process are Aptitude Test, Technical and Case Study.
How to prepare for ION Group Data Scientist 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 ION Group. The most common topics and skills that interviewers at ION Group expect are Data Analytics, Automation Testing, Python, SQL and Supply Chain Management.
What are the top questions asked in ION Group Data Scientist interview?

Some of the top questions asked at the ION Group Data Scientist interview -

  1. DBMS question - What are joins and what are their typ...read more
  2. Pattern based - Three memory chips, each of 1GB. You have to store 3GB of data ...read more
  3. Is there any correlation between algorithms and l...read more

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ION Group Data Scientist Interview Process

based on 1 interview

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Data Scientist - PhD

Noida

2-6 Yrs

Not Disclosed

Data Scientist - PhD

Noida

2-6 Yrs

Not Disclosed

Data Scientist

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2-6 Yrs

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