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CGG Machine Learning Engineer Interview Questions and Answers

Updated 19 Sep 2024

CGG Machine Learning Engineer Interview Experiences

1 interview found

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Sliding window leet code style

Round 2 - Assignment 

Computer vision task. Image segmentation

Round 3 - One-on-one 

(2 Questions)

  • Q1. What was the algorithm you used in the task
  • Ans. 

    I used the Random Forest algorithm for the task.

    • Random Forest is an ensemble learning method that builds multiple decision trees and merges them together to get a more accurate and stable prediction.

    • It is commonly used for classification and regression tasks.

    • Example: RandomForestClassifier in scikit-learn library.

  • Answered by AI
  • Q2. What are metrics you can use for this task
  • Ans. 

    Metrics for evaluating machine learning tasks

    • Accuracy

    • Precision

    • Recall

    • F1 Score

    • ROC AUC

    • Confusion Matrix

  • Answered by AI
Round 4 - Technical 

(2 Questions)

  • Q1. A presentation of a past project with followup questions
  • Q2. Some questions on text classification

Skills evaluated in this interview

Interview questions from similar companies

I applied via Campus Placement and was interviewed in Dec 2016. There were 2 interview rounds.

Interview Preparation Tips

Round: HR Interview
Experience: HR was really friendly and discussed resume in detail.

Round: Technical Interview
Experience: Had more discussion on technical terms on resume.

Round: Technical Interview
Experience: Asked questions on Programming and questions related to course work mentioned in the resume. The interview was completely candidate driven.

College Name: IIT Madras

I applied via Campus Placement and was interviewed in Dec 2016. There were 4 interview rounds.

Interview Preparation Tips

Round: Test
Experience: There were totally 8 sections to the test. But they could be broadly put under 4 categories. Firstly all questions were compulsory to attempt and there was no negative marking. Aptitude: Basic quantitative math questions were asked. There was one simple programming question where one could code in C/Java in your local IDE and upload the code file. It was a DO or DIE question, either you get the question and proceed to the next questions of the test or the test gets stopped if the code is not successfully compiled within 5 attempts. This programming question, as was told was an important criteria to filter out candidates for the next round. There was a descriptive question asking about a recent team project done.
Tips: Achievements in sports and other extra curricular activities are valued. Mention them in the resume, if applicable.
Duration: 1 hour 30 minutes

Round: Technical Interview
Experience: In this round, they look for the candidate's experience in coding in whatever language mentioned in the resume - I was asked to write some simple codes in c. I was also asked to explain some projects from the resume.
Tips: basic knowledge of data structures, resume preparation

Round: Technical + HR Interview
Experience: In this round, the questions were mostly based on the resume and the projects done. Also, HR questions like What do you know about Schlumberger, How do you perform in a team, What makes you unique from the other candidates etc. were asked. They also ask if you have any questions from your side - Better to ask questions if you have one or if you can't think upon any specific question, ask them a doubt from whatever they have said(usually they say a lot about their company and principles before they ask you for questions)
Tips: Prepare for a HR interview separately, resume preparation

College Name: IIT Madras

I applied via Campus Placement and was interviewed in Dec 2016. There were 2 interview rounds.

Interview Preparation Tips

Round: HR Interview
Experience: HR was really friendly and asked about projects in the resume.

Round: Technical Interview
Experience: Interviewer asked questions related to programming and algorithms.

Round: Technical Interview
Experience: Interviewer asked all technical details inside the resume. This round was more technical. More emphasis was on problem solving skills.

College Name: IIT Madras
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed before Sep 2022. There were 2 interview rounds.

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 - Technical 

(2 Questions)

  • Q1. Which column takes more load short or Long Column
  • Q2. What kind of pressures will impose on the water tank walls during seismic

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared with fundamentals
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 - Technical 

(2 Questions)

  • Q1. About the technologies mentioned in the resume
  • Q2. SQL, Python, Power BI , Shell

Interview Preparation Tips

Interview preparation tips for other job seekers - Please be prepared for the technologies mentioned in your resume

I applied via Naukri.com and was interviewed in Feb 2022. There were 4 interview rounds.

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 - Technical 

(1 Question)

  • Q1. Core Java, spring jpa, relationship like one to one, one to many, many to oneetc, composit key. More important many questions come from your cv like what you did in your project
Round 3 - Behavioral 

(1 Question)

  • Q1. Just basic behaviour questions, also be ready with some technical questions as well
Round 4 - HR 

(1 Question)

  • Q1. Only joining discussion and formalities 😃😃

Interview Preparation Tips

Interview preparation tips for other job seekers - Stick with your core java basics, your project details
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

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

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 - Technical 

(6 Questions)

  • Q1. What is oops, explain them?
  • Ans. 

    Object-oriented programming (OOP) is a programming paradigm that uses objects to represent and manipulate data.

    • OOP is based on the concept of classes and objects.

    • It allows for encapsulation, inheritance, and polymorphism.

    • Encapsulation hides the internal details of an object and provides a public interface.

    • Inheritance allows classes to inherit properties and methods from other classes.

    • Polymorphism allows objects of diff...

  • Answered by AI
  • Q2. What is difference between interface and abstract class?
  • Ans. 

    Interface defines only method signatures while abstract class can have method implementations.

    • An interface can be implemented by multiple classes while a class can extend only one abstract class.

    • An abstract class can have instance variables while an interface cannot.

    • An abstract class can have constructors while an interface cannot.

    • An abstract class can provide default implementations for some methods while an interface...

  • Answered by AI
  • Q3. What is difference between docker and kubernet?
  • Ans. 

    Docker is a containerization platform while Kubernetes is a container orchestration tool.

    • Docker is used to create, deploy, and run applications in containers.

    • Kubernetes is used to manage and orchestrate multiple containers in a cluster.

    • Docker provides a way to package and distribute applications in a portable manner.

    • Kubernetes provides features like automatic scaling, load balancing, and self-healing.

    • Docker is a lower-...

  • Answered by AI
  • Q4. What is event emitter in angular?
  • Ans. 

    Event emitter is a class in Angular that allows communication between components.

    • Event emitter is used to emit custom events in Angular.

    • It allows communication between parent and child components.

    • It can be used to pass data from child to parent component.

    • It is a part of the @angular/core package.

    • Example: @Output() eventEmitter = new EventEmitter();

  • Answered by AI
  • Q5. What is view encapsulation in angular?
  • Ans. 

    View encapsulation is a feature in Angular that allows for the creation of isolated components.

    • View encapsulation ensures that styles defined in a component do not affect other components.

    • There are three types of view encapsulation: Emulated, Native, and None.

    • Emulated is the default and uses CSS to emulate shadow DOM.

    • Native uses the browser's native shadow DOM implementation.

    • None does not provide any view encapsulation

  • Answered by AI
  • Q6. How to communicate with components in angular?
  • Ans. 

    Components in Angular can communicate with each other using @Input, @Output, and services.

    • Use @Input to pass data from parent to child component

    • Use @Output to emit events from child to parent component

    • Use services to share data between components that are not directly related

    • Use RxJS subjects to create a shared data stream between components

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep basic ready but it luck is equally important.

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Oct 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. The HR round was very pathetic. Sreethala took my HR round.

Interview Preparation Tips

Interview preparation tips for other job seekers - Please don't waste your precious time in giving the interview for Baker Hughes, Powai
Mumbai location. They will take all the interview rounds. The HR will ask you to submit all documents and last moment they will cancel your candidature without giving you any specific reason.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Jun 2023. There were 4 interview rounds.

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 - Case Study 

Asked Real Time Scenario to create Microservice for Train and Station information. The interviewer asked what are the properties needs to be considered for evaluating service.

Core Java 11 questions: Webservices, Improvement in JVM, Threads

Java 8: Asked to write a program based on Group By Scenario.

The interview lasts around 2 hrs.

Round 3 - Technical 

(1 Question)

  • Q1. Managerical round: Asked about current project details, The reason to join BH, Scenario based question on LinkedList vs ArrayList
Round 4 - HR 

(1 Question)

  • Q1. It was easy. The HR told about company policies

Interview Preparation Tips

Interview preparation tips for other job seekers - 1. Cover Spring Boot, MySQL more
2. Go to BH page to know more, This will help u to answer questions will be asked in Manager Round.
Contribute & help others!
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CGG Interview FAQs

How many rounds are there in CGG Machine Learning Engineer interview?
CGG interview process usually has 4 rounds. The most common rounds in the CGG interview process are One-on-one Round, Technical and Coding Test.
What are the top questions asked in CGG Machine Learning Engineer interview?

Some of the top questions asked at the CGG Machine Learning Engineer interview -

  1. What was the algorithm you used in the t...read more
  2. What are metrics you can use for this t...read more
  3. Some questions on text classificat...read more

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CGG Machine Learning Engineer Interview Process

based on 1 interview

Interview experience

4
  
Good
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