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Comviva Technology Senior Ruby on Rails Developer Interview Questions and Answers
Comviva Technology Senior Ruby on Rails Developer Interview Experiences
1 interview found
I applied via Naukri.com and was interviewed in Aug 2024. There was 1 interview round.
(2 Questions)
- Q1. Add a new column to the database table in production which is already having 100 million of data
- Ans.
Use a tool like Rails migration to add a new column to the database table in production with 100 million data.
Create a new Rails migration file to add the new column to the database table.
Test the migration locally to ensure it works as expected.
Deploy the migration to the production environment during a maintenance window to avoid downtime.
Consider using tools like ActiveRecord's `change_column` method to efficiently
- Q2. How an application running in cloud with tightly coupled infrastructure can be deployed to on-premise
- Ans.
An application running in cloud with tightly coupled infrastructure can be deployed to on-premise by decoupling the components and using containerization.
Decouple the application components to make them more portable
Use containerization technologies like Docker to package the application and its dependencies
Deploy the containerized application to on-premise servers using tools like Kubernetes for orchestration
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S086 P.Nigamanvesh
Selected
I applied via Campus Placement and was interviewed in Dec 2024. There were 3 interview rounds.
Hackathon on chatbot development website
(2 Questions)
- Q1. OOPS basics like shallow copy deep copy
- Q2. Sorting techniques and psuedo code
(2 Questions)
- Q1. Questions on projects
- Q2. Introduction and insights of comapny
I applied via LinkedIn and was interviewed in Nov 2024. There was 1 interview round.
(3 Questions)
- Q1. What is JWT Authentication
- Q2. Design Patterns
- Q3. Different Types of Routing in MVC
Selected
General aptitude online test
(2 Questions)
- Q1. OOPS basic concepts with eg
- Q2. C#,Sql,MVC concepts
(2 Questions)
- Q1. Project experience
- Ans.
I have experience working on various projects including web development, mobile app development, and database management.
Developed a web application using React.js and Node.js for a client in the e-commerce industry
Created a mobile app using Swift for a healthcare startup to track patient data
Managed a MySQL database for a financial services company to store and retrieve customer information
- Q2. Coding related questions asked
1 Hours aptitude test on hacker rank based on Aptitude question, Java, SQL
(2 Questions)
- Q1. Java interview questions.
- Q2. What is wrapper class?
- Ans.
Wrapper class is a class that wraps around a primitive data type and provides additional functionality.
Wrapper classes in Java are used to convert primitive data types into objects.
They provide methods to access the value of the wrapped primitive type.
Examples include Integer, Double, Boolean, etc.
(1 Question)
- Q1. Salary discussion and all.
Skills evaluated in this interview
Vikas Kumar
Selected
(1 Question)
- Q1. Basic java and API
(1 Question)
- Q1. Normal Question
Prev job work and project details , roles and responsibility
(2 Questions)
- Q1. What is SDLC process
- Ans.
SDLC process is a structured approach to software development that defines tasks performed at each stage of the software development life cycle.
SDLC stands for Software Development Life Cycle
It includes stages like planning, analysis, design, implementation, testing, and maintenance
Each stage has specific goals and deliverables to ensure the quality and success of the software project
- Q2. What is the ASp.net mean for ?
- Ans.
ASP.NET stands for Active Server Pages .NET, a web application framework developed by Microsoft.
ASP.NET is a server-side web application framework used for building dynamic web pages and web applications.
It allows developers to create web applications using languages like C# or VB.NET.
ASP.NET provides tools and libraries for building web forms, MVC (Model-View-Controller) applications, and Web API services.
It is part o...
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(2 Questions)
- Q1. Springboot related
- Q2. MySql questions
(2 Questions)
- Q1. Coding questions on java 8
- Q2. Previous Project
Pralhad
I applied via LinkedIn and was interviewed in Apr 2024. There were 2 interview rounds.
(2 Questions)
- Q1. About HTML, CSS, JS, Python ?
- Q2. What is Self Keyword in python?
- Ans.
The self keyword in Python is a reference to the current instance of a class.
Self is the first parameter in the definition of instance methods within a class.
It is used to access variables and methods within the class.
Self is not a reserved keyword in Python, but it is a convention to use self as the first parameter in instance methods.
(1 Question)
- Q1. They Not Schedule Client Interview
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Software Developer Interview Questions & Answers
Newgen Software Technologies
Anonymous
posted on 13 Dec 2024
(2 Questions)
- Q1. Javascript features
- Q2. Virtual dom
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Comviva Technology Senior Ruby on Rails Developer Interview Process
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