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Paynearby Technologies Data Scientist Interview Questions and Answers

Updated 20 Mar 2024

Paynearby Technologies Data Scientist Interview Experiences

1 interview found

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

I applied via Approached by Company and was interviewed before Mar 2023. There were 3 interview rounds.

Round 1 - Assignment 

Case Study - Churn Prediction

Round 2 - Technical 

(4 Questions)

  • Q1. ML Questions, Python Questions, SQL Questions
  • Q2. Explain logistic regression
  • Ans. 

    Logistic regression is a statistical model used to predict the probability of a binary outcome based on one or more predictor variables.

    • Logistic regression is used when the dependent variable is binary (e.g., 0/1, yes/no).

    • It estimates the probability that a given input belongs to a certain category.

    • The output of logistic regression is a probability score between 0 and 1.

    • It uses the logistic function (sigmoid function) ...

  • Answered by AI
  • Q3. Different types of validation
  • Ans. 

    Different types of validation include cross-validation, holdout validation, and leave-one-out validation.

    • Cross-validation involves splitting the data into multiple subsets and training the model on different combinations of these subsets.

    • Holdout validation involves splitting the data into a training set and a validation set, and training the model on the training set before evaluating it on the validation set.

    • Leave-one...

  • Answered by AI
  • Q4. Outlier, overfitting, underfitting
Round 3 - One-on-one 

(1 Question)

  • Q1. Hiring Manager Round

Skills evaluated in this interview

Interview questions from similar companies

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

I applied via Referral and was interviewed before Feb 2023. There was 1 interview round.

Round 1 - One-on-one 

(2 Questions)

  • Q1. What is clustering
  • Ans. 

    Clustering is a technique used in data analysis to group similar data points together based on their characteristics.

    • Clustering is an unsupervised learning method.

    • It helps in identifying patterns and relationships in data.

    • Common clustering algorithms include K-means, hierarchical clustering, and DBSCAN.

    • Example: Grouping customers based on their purchasing behavior.

    • Example: Identifying different species of flowers based

  • Answered by AI
  • Q2. How to avoid overfitting
  • Ans. 

    To avoid overfitting, use techniques like cross-validation, regularization, and increasing training data.

    • Use cross-validation to evaluate model performance on unseen data

    • Apply regularization techniques like L1 or L2 regularization to penalize complex models

    • Increase the size of the training dataset to provide more diverse examples

    • Use feature selection or dimensionality reduction methods to reduce the complexity of the m...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare for basics

Skills evaluated in this interview

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

Sql and pandas problems along mcqs on ML

Round 2 - Technical 

(2 Questions)

  • Q1. Linear Regression
  • Q2. Basic Neural Network Implementation
Round 3 - Technical 

(2 Questions)

  • Q1. Question about working of BERT
  • Q2. Word2vec explanation
  • Ans. 

    Word2vec is a technique used to create word embeddings by training a neural network on a large corpus of text.

    • Word2vec is a shallow neural network model that learns to represent words as vectors in a continuous vector space.

    • It captures semantic relationships between words by placing similar words close together in the vector space.

    • There are two main architectures for Word2vec: Continuous Bag of Words (CBOW) and Skip-gr...

  • Answered by AI

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 Jul 2024. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Question regarding my resume .It is technical interview
Round 2 - Case Study 

Case study-this is about loan default prediction assignment

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
Not Selected
Round 1 - Case Study 

First Question is basic coding question (Term frequecy of words).
Then a case study.
Basic ML questions.

Interview Questionnaire 

1 Question

  • Q1. Basic interview questions

Interview Preparation Tips

Interview preparation tips for other job seekers - It's an easy process, people who know nothing also can easily crack.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
No response

I applied via Referral and was interviewed in Oct 2024. There were 3 interview rounds.

Round 1 - Coding Test 

Sql, python, statistical questions

Round 2 - HR 

(2 Questions)

  • Q1. How daily work looks like?
  • Ans. 

    Daily work involves analyzing data, creating reports, and communicating findings to stakeholders.

    • Reviewing and cleaning data sets

    • Creating visualizations and dashboards

    • Conducting statistical analysis

    • Communicating insights to non-technical stakeholders

  • Answered by AI
  • Q2. Most ise tools?
  • Ans. 

    Some of the most commonly used tools for data analysis include Excel, Python, R, Tableau, and SQL.

    • Excel is widely used for data manipulation and analysis.

    • Python and R are popular programming languages for data analysis and machine learning.

    • Tableau is a powerful data visualization tool.

    • SQL is essential for querying databases and extracting data.

  • Answered by AI
Round 3 - Coding Test 

4 sql tasks on 3 tables. Joins, subqueries

Interview Preparation Tips

Interview preparation tips for other job seekers - Learm main statistics principles
Sql mandatory

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Approached by Company and was interviewed in Apr 2024. There were 2 interview rounds.

Round 1 - HR 

(1 Question)

  • Q1. What techonologies do you know?
  • Ans. 

    I am proficient in SQL, Python, R, Tableau, and Excel for data analysis and visualization.

    • SQL

    • Python

    • R

    • Tableau

    • Excel

  • Answered by AI
Round 2 - Coding Test 

SQL Coding Tests. You get 3 tables and they ask you to find customer with certain conditions. Not hard

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

I applied via LinkedIn and was interviewed before Nov 2023. There were 2 interview rounds.

Round 1 - HR 

(1 Question)

  • Q1. Brief me about yourself
Round 2 - One-on-one 

(1 Question)

  • Q1. What is your experience as a data analyst?
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(2 Questions)

  • Q1. Case Study of zomato ?
  • Q2. Some basic math questions. Simultaneous equations .

Interview Preparation Tips

Interview preparation tips for other job seekers - However good you are in the interview in case study you need to get the math problems correct on the first attempt. I got it wrong but answered it correctly within one minute. But they said " i lack attention to detail" and didnt consider me for the next round.

Paynearby Technologies Interview FAQs

How many rounds are there in Paynearby Technologies Data Scientist interview?
Paynearby Technologies interview process usually has 3 rounds. The most common rounds in the Paynearby Technologies interview process are Assignment, Technical and One-on-one Round.
What are the top questions asked in Paynearby Technologies Data Scientist interview?

Some of the top questions asked at the Paynearby Technologies Data Scientist interview -

  1. explain logistic regress...read more
  2. different types of validat...read more
  3. ML Questions, Python Questions, SQL Questi...read more

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Paynearby Technologies Data Scientist Interview Process

based on 1 interview

Interview experience

5
  
Excellent
View more

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Paynearby Technologies Data Scientist Salary
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₹5.1 L/yr - ₹15 L/yr
36% less than the average Data Scientist Salary in India
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