Unity Technologies Senior Software Engineer Interview Questions and Answers

Q1. Basic c# questions , few logical and angular questions.
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Q1. DB questions, design patterns, few architectural questions.
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Process for freshers-

Go through RS Agarwal book and be ready for logical reasoning questions

Criteria for selection is 75% so make sure to select right ans

There will be 2 questions based on selected language

And questions on general English.

Q1. Technical round will based on mentioned language in resume. My round was on Java language. So prepare the basic of Java and advance Java some time they ask you to write some syntax so prepare those synta...read more
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Q1. It's formality round Just present your self well Be ready to reallocate any where they want. You can ask some question about the work culture in company.
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Java coding questions asked

Q1. Overriding rules
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Q1. Why should we hire you
Ans. 
I have a strong technical background, proven track record of delivering high-quality software, and excellent problem-solving skills.
• Extensive experience in software development with expertise in multiple programming languages such as Java, Python, and C++

• Proven track record of successfully delivering complex projects on time and within budget

• Strong problem-solving skills and ability to think creatively to find innovati...read more
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Q1. Difference between abstract class and interface?
Ans. 
Abstract classes allow partial implementation; interfaces define contracts without implementation.
• Abstract classes can have both abstract and concrete methods, while interfaces can only have abstract methods (until Java 8).

• An abstract class can have member variables, whereas an interface cannot (it can only have constants).

• A class can inherit from only one abstract class but can implement multiple interfaces.

• Example: I...read more
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Q2. Explain OOP in C#?
Ans. 
OOP in C# is a programming paradigm based on objects, encapsulating data and behavior for modular and reusable code.
• Encapsulation: Bundling data and methods that operate on the data within a single unit (class). Example: class 'Car' with properties like 'Speed' and methods like 'Accelerate()'.

• Inheritance: Mechanism to create a new class based on an existing class, promoting code reuse. Example: 'ElectricCar' inherits f...read more
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Q1. What libraries have you used in python?
Ans. 
I have experience with various Python libraries for web development, data analysis, machine learning, and more.
• Django: Used for building robust web applications with an MVC architecture.

• Flask: A lightweight framework for creating APIs and microservices.

• Pandas: Essential for data manipulation and analysis, especially with DataFrames.

• NumPy: Utilized for numerical computations and handling large arrays.

• Scikit-learn: Emplo...read more
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Q2. What would you keep in mind while building a RAG application
Ans. 
Building a RAG application requires careful consideration of data sources, user experience, and performance optimization.
• Identify reliable data sources: Ensure the data used for retrieval is accurate and up-to-date, e.g., using APIs from trusted providers.

• Optimize retrieval algorithms: Implement efficient algorithms to minimize latency, such as caching frequently accessed data.

• Design user-friendly interfaces: Create in...read more
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Aptitude test was provided for 45 mins

Q1. OOPS, virtual, inheritance
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Q1. Monolithic and microservice architecture difference and how will you migrate.
Ans. 
Monolithic architecture is a single large application while microservice architecture is a collection of small, independent services.
• Monolithic architecture is a single, tightly coupled application where all components are interconnected.

• Microservice architecture breaks down the application into smaller, loosely coupled services that communicate through APIs.

• Migrating from monolithic to microservices involves breaking ...read more
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Q1. Managerial round few technical questions followed by team building and leadership related questions asked.
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Q1. Basic leadership related questions and few questions on why job change etc
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