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CGG Machine Learning Engineer Interview Questions and Answers
CGG Machine Learning Engineer Interview Experiences
1 interview found
Anonymous
Sliding window leet code style
Computer vision task. Image segmentation
(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.
- 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
(2 Questions)
- Q1. A presentation of a past project with followup questions
- Q2. Some questions on text classification
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
I applied via Campus Placement and was interviewed in Dec 2016. There were 2 interview rounds.
Interview Preparation Tips
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 2 interview rounds.
Interview Preparation Tips
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
I applied via Campus Placement and was interviewed in Dec 2016. There were 4 interview rounds.
Interview Preparation Tips
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 Naukri.com and was interviewed in Feb 2022. There were 4 interview rounds.
(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
(1 Question)
- Q1. Just basic behaviour questions, also be ready with some technical questions as well
(1 Question)
- Q1. Only joining discussion and formalities 😃😃
Interview Preparation Tips
I applied via Approached by Company and was interviewed in Feb 2023. There were 2 interview rounds.
(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...
- 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...
- 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-...
- 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();
- 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
- 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
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Company Website and was interviewed in Jun 2023. There were 4 interview rounds.
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.
(1 Question)
- Q1. Managerical round: Asked about current project details, The reason to join BH, Scenario based question on LinkedList vs ArrayList
(1 Question)
- Q1. It was easy. The HR told about company policies
Interview Preparation Tips
2. Go to BH page to know more, This will help u to answer questions will be asked in Manager Round.
I applied via Naukri.com and was interviewed in Dec 2024. There were 2 interview rounds.
Just easy or medium level leetcode questions
The topic was how AI is affecting softare developer
Interview Preparation Tips
Selected
(1 Question)
- Q1. Mostly on c++ 11,pointers,move etc
Streams related coding questions
(3 Questions)
- Q1. Spring boot, security etc
- Q2. Java multithreading scenarios
- Q3. Scenario based questions on MS side
Interview Preparation Tips
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CGG Machine Learning Engineer Interview Process
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