Eurofins It Solutions Senior Software Engineer 2 Interview Questions and Answers

Coding test conducted in virtual session - you need share the entire screen (google meet). Interviewer share about 12 questions, in 10 are theory based questions and 2 coding questions.
while writing theory try to answer with real time example from your project.
1. Solid principles 2 design patterns used 3 diff between .net core vs .net 4. garbage collection 5. global exception handling in core 5. performance / monitoring related questions

coding questions: 1. Nth max value without sorting. 2. sum of max sub array in a integer array

Q1. Skills, project explanation, unit testing, code review
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Q2. Usage of dependency injection in core along with types
Ans. 
Dependency injection in core with types is a common practice in software engineering.
• Dependency injection is a design pattern where components are given their dependencies rather than creating them internally.

• Using dependency injection in core allows for easier testing and maintenance of the codebase.

• Types in dependency injection help ensure that the correct dependencies are injected into components.

• Examples include us...read more
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Q3. Usage of Middleware along with custom middleware
Ans. 
Middleware is used to handle requests and responses in web applications. Custom middleware can be created to add specific functionality.
• Middleware is software that acts as a bridge between an operating system or database and applications, allowing them to communicate with each other.

• Middleware can be used to handle tasks such as authentication, logging, error handling, and more.

• Custom middleware can be created to add s...read more
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Q4. Authentication and authorization in web api core
Ans. 
Authentication and authorization are essential for securing web APIs in ASP.NET Core.
• Use authentication to verify the identity of the user accessing the API.

• Use authorization to determine what actions the authenticated user is allowed to perform.

• In ASP.NET Core, authentication can be implemented using various schemes like JWT, OAuth, or Identity.

• Authorization can be achieved through policies, roles, or claims.

• Always va...read more
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Logical reasoning, grammar, and coding: two basic level questions.

Q1. Question on core Java
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Q2. Question on SQL and PLSQL
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Q3. Resume based question and on project
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Q1. Resume and project based question
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Q2. What do you like about your current company, and why do you want to join our organization?
Ans. 
I appreciate the collaborative team environment and innovative projects at my current company, and I am excited about the opportunities for growth and learning at your organization.
• Collaborative team environment fosters creativity and productivity

• Innovative projects challenge me to learn and grow

• Excited about the opportunities for growth and learning at your organization
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Test will be in hacker rank there would be a difficulty level between easy to medium

Q1. Question will be from data structure and easy to medium level of the programming laanguage question
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Q1. This is just to check your english ability
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One coding test happen

Q1. Java questions, spring boot framework questions
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Q2. DSA using stream api
Ans. 
Using stream API for Data Structures and Algorithms
• Stream API in Java can be used to perform operations on collections like filtering, mapping, reducing, etc.

• It can be used for implementing various data structures and algorithms efficiently.

• For example, you can use stream API to find the sum of all elements in an array or filter out even numbers from a list.
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Q1. Java questions and spring boot questions
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Q2. One program using stream api
Ans. 
Using stream API to filter a list of numbers and find the sum of even numbers
• Use Stream.filter() to filter out even numbers

• Use Stream.mapToInt() to convert stream to IntStream

• Use IntStream.sum() to find the sum of even numbers
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Q1. Do you have working experience of SwiftUI
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Q2. Have you ever implemented or worked with server driven UIs
Ans. 
Yes, I have experience implementing server driven UIs.
• Implemented server driven UIs using JSON responses to dynamically update UI elements

• Worked with frameworks like React and Angular to handle server driven UI updates

• Used server driven UIs to efficiently manage and display large amounts of data
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Q1. What is closure and types?
Ans. 
Closure is a function that captures variables from its surrounding scope, allowing it to access those variables even after the scope has closed.
• Closure allows a function to access variables from its lexical scope even after the function has finished executing.

• Types of closures include lexical closures, which capture variables from the surrounding lexical scope, and function closures, which capture variables from the fu...read more
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Q2. What is Core data and all operations with example/scenarios
Ans. 
Core Data is a framework provided by Apple for managing the model layer objects in an iOS application.
• Core Data is used for storing, retrieving, and managing data in an iOS app.

• It provides an object-oriented interface to work with data.

• Operations include creating, reading, updating, and deleting data.

• Example: Creating a new record in Core Data for a user profile.

• Example: Fetching a list of items from Core Data to displ
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Q1. Why you want to join the company?
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Q2. Why should we hire you
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Q1. Behavioral questions
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Q2. Coding problem - reg frequency of numbers in an array
Ans. 
Count the frequency of numbers in an array of strings.
• Iterate through the array and use a hashmap to store the frequency of each number.

• If the number is already in the hashmap, increment its count. Otherwise, add it to the hashmap with a count of 1.

• Return the hashmap with the frequency of each number.
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Flatten a binary tree.

Q1. Project discussion, tech stack used, problems faced etc .
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Q1. C++ fundamental
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Q2. Reverse linked list
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