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Cogent E Services Pyspark Developer Interview Questions and Answers

Updated 30 Sep 2024

Cogent E Services Pyspark Developer Interview Experiences

1 interview found

Pyspark Developer Interview Questions & Answers

user image Sherin Peter

posted on 30 Sep 2024

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

(2 Questions)

  • Q1. Self Introduction
  • Q2. Tell us your experience with Pyspark
  • Ans. 

    I have 3 years of experience working with Pyspark in data processing and analysis.

    • Developed ETL pipelines using Pyspark to process large datasets

    • Optimized Spark jobs for performance by tuning configurations and partitioning data

    • Implemented machine learning models with Spark MLlib for predictive analytics

  • Answered by AI

Interview questions from similar companies

I was interviewed before Sep 2020.

Round 1 - Coding Test 

(1 Question)

Round duration - 140 minutes
Round difficulty - Medium

Test timing was at 2:00 pm , it was conducted in a college and the environment was good for the test. Camera was a primary part of test, so no suspicious activity.

  • Q1. 

    Sum of Two Numbers Represented as Arrays

    Given two numbers in the form of two arrays where each element of the array represents a digit, calculate the sum of these two numbers and return this sum as an ar...

  • Ans. 

    Given two numbers represented as arrays, calculate their sum and return the result as an array.

    • Iterate through the arrays from right to left, adding digits and carrying over if necessary

    • Handle cases where one array is longer than the other by considering the remaining digits

    • Ensure the final sum array does not have any leading zeros

  • Answered by AI
Round 2 - Face to Face 

Round duration - 20 minutes
Round difficulty - Easy

The round was conducted at around 12 p.m. I was called at the college location and then it was conducted. The interviewer was quite polite and frank.

Round 3 - HR 

Round duration - 8 minutes
Round difficulty - Easy

This round was conducted right after finishing and clearing the technical round at the same place and on the same day.

Interview Preparation Tips

Eligibility criteriaAbove 60 %Wipro Limited interview preparation:Topics to prepare for the interview - OOPS, Data Structures, Database Concepts, Coding problemsTime required to prepare for the interview - 2-3 monthsInterview preparation tips for other job seekers

Tip 1 : Practice atleast 2-3 Coding problems daily so your logic building becomes stronger.
Tip 2 : Exercise problems based on OOPS concepts and others too.
Tip 3 : If you can have your own project built, then it's the major point and will act as a plus point.

Application resume tips for other job seekers

Tip 1 : Your resume should be in standard form, short and simple will be more effective.
Tip 2 : Whatever you have learned, you need to mention it in your resume as that will be your primary source of selection and having project on your resume is important.

Final outcome of the interviewSelected

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Jul 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. SOLID principals, oops, c# basics, SQL server, azure, design pattern

Interview Preparation Tips

Interview preparation tips for other job seekers - Clear basics of oops and design pattern

I applied via Job Portal and was interviewed before Apr 2021. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Solid principles in c#
  • Ans. 

    Solid principles are a set of design principles for writing maintainable and scalable code in C#.

    • Single Responsibility Principle (SRP) - a class should have only one reason to change

    • Open/Closed Principle (OCP) - a class should be open for extension but closed for modification

    • Liskov Substitution Principle (LSP) - derived classes should be substitutable for their base classes

    • Interface Segregation Principle (ISP) - client...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - good company for freshers as well as beginners

Skills evaluated in this interview

I applied via Campus Placement and was interviewed before Jan 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. First question in hr interview is tell about yourself then the hr asked questions what I mentioned in my resume. So put the information in resume what you known well. My unique talent is I'm a stage spea...

Interview Preparation Tips

Interview preparation tips for other job seekers - Be bold, be confident, don't put irrelevant information in your resume update yourself relating to your studies

I applied via Campus Placement and was interviewed before Feb 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Hr

Interview Preparation Tips

Interview preparation tips for other job seekers - You should be true to what you are putting before the interviewer . Try to put your ideas Add something you did well in your career like in projects /research which you know very well and versed in concepts about it for open interview so that interviewer can get bandwidth where he can ask questions from. This is simply a key .

I applied via Campus Placement and was interviewed in Dec 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. 1.Describe a situation where you have taken a quick decision and failed, and a situation where you succeeded. 2. What is a skill you have tried to achieve but failed? 3. Describe a decision you have taken ...

Interview Preparation Tips

Interview preparation tips for other job seekers - 1. Always try to take risk in small problems . When you face the consequences, you would be able to tackle bigger problems.
2. Every skill you learn, even if you didn't excel in it is not to be considered a waste of time/failure, you learn something simply by participating.

I applied via Campus Placement and was interviewed before Jul 2020. There were 4 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Description of project
  • Ans. 

    The project involved designing and implementing a new network infrastructure for a large corporation.

    • Conducted a thorough analysis of the existing network infrastructure

    • Designed a new network architecture that met the company's needs

    • Implemented the new network infrastructure with minimal disruption to business operations

    • Tested and optimized the new network to ensure optimal performance

    • Provided ongoing support and maint

  • Answered by AI
  • Q2. Your previous experince

Interview Preparation Tips

Interview preparation tips for other job seekers - Well prepare for your resume

Interview Questionnaire 

1 Question

  • Q1. HTML, CSS, BOOTSTRAP, PHP. SQL

I applied via Campus Placement and was interviewed before Feb 2020. There was 1 interview round.

Interview Questionnaire 

4 Questions

  • Q1. 1.Tell me about yourself.
  • Q2. 2. Some basic questions from DBMS, iot and cloud.
  • Q3. 3. Explain your project ( technology u have used and what is it).
  • Q4. 4. Are you willing to relocate.

Interview Preparation Tips

Interview preparation tips for other job seekers - HR was nice and friendly. Overall it was a NYC experience.
All the best guys.

Cogent E Services Interview FAQs

How many rounds are there in Cogent E Services Pyspark Developer interview?
Cogent E Services interview process usually has 1 rounds. The most common rounds in the Cogent E Services interview process are HR.

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Cogent E Services Pyspark Developer Interview Process

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Interview experience

5
  
Excellent
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