Eurofins It Solutions Senior Software Developer Interview Questions and Answers

Q1. Tell me about your self
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Q2. What are the technical skill
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Q1. How many years of experience in Python?
Ans. 
I have 5 years of experience in Python.
• 5 years of hands-on experience in Python programming

• Proficient in developing web applications, data analysis, and automation scripts using Python

• Familiar with popular Python libraries and frameworks such as Django, Flask, and NumPy
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Q2. What is the difference between List and Tuple?
Ans. 
List is mutable, Tuple is immutable in Python.
• List can be modified after creation, Tuple cannot be modified.

• List is defined using square brackets [], Tuple is defined using parentheses ().

• Example: list_example = [1, 2, 3], tuple_example = (1, 2, 3)
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Q3. What is lambda function?
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A lambda function is a small anonymous function defined using the lambda keyword in Python.
• Lambda functions can take any number of arguments, but can only have one expression.

• They are commonly used as a way to create small, throwaway functions.

• Lambda functions are often used in conjunction with functions like map(), filter(), and reduce().
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Q4. What are the Data types used in your project?
Ans. 
The data types used in the project include integers, strings, floats, and booleans.
• Integers are used for storing whole numbers, such as IDs or quantities.

• Strings are used for storing text data, such as names or descriptions.

• Floats are used for storing decimal numbers, such as prices or measurements.

• Booleans are used for storing true/false values, such as status indicators.
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Q5. Write a code having square of a series which is divisible by 3 using lambda function ?
Ans. 
Code to find square of series divisible by 3 using lambda function.
• Create a list of numbers in the series

• Use filter() function with lambda function to filter numbers divisible by 3

• Use map() function with lambda function to find square of each number
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Q1. Basics.....js graphql
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Q2. Basics on react
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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
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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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Q1. Based on DSA, OOPS
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Q1. Based on Projects in Resume
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Q1. Technical Discussion about earlier projects
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Q1. Salary Discussion
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Q1. Dsa questions related to project
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Q2. Project based q and a
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Q1. Basics of Java OOPS
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