EY Global Delivery Services ( EY GDS) Senior Software Engineer Interview Questions, Process, and Tips

Q1. Difference between interface and abstract class
Ans. 
Interface is a contract for classes to implement, while abstract class can have some implementation.
• Interface cannot have any implementation, only method signatures.

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

• Abstract class can have both abstract and concrete methods.

• Interfaces are used for achieving multiple inheritance in Java.

• Example: interface Animal { void eat(); } abstra
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Q2. What is jwt token
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JWT token is a JSON Web Token used for securely transmitting information between parties as a compact and self-contained way.
• JWT token is composed of three parts: header, payload, and signature.

• It is commonly used for authentication and information exchange in web applications.

• JWT tokens are signed using a secret key or a public/private key pair to verify their authenticity.

• Example: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...read more
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Q1. Sql and Basic programming 5-10question
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Advance Excel , BI tecnical question and Advance sql (mostly feom advance sql)

Q1. Sql function ,keys, Sp and about project
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Q2. Question like Project error handling,Data modelong ways ,use of schema in project
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Q1. What are pros of Ivy Engine?
Ans. 
Ivy Engine is a powerful software engine with several advantages.
• 1. Ivy Engine offers high performance and efficiency.

• 2. It provides excellent scalability and can handle large datasets.

• 3. Ivy Engine has a user-friendly interface and is easy to use.

• 4. It supports multiple programming languages and platforms.

• 5. Ivy Engine offers advanced data analytics and machine learning capabilities.

• 6. It provides robust security feat...read more
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Q1. How did you resolve a team conflict?
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Q1. It was alright. Python concepts were asked. Questions were asked from what I have worked in previous company.
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Q1. Questions were asked from previous experience.
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Q1. Roles and responsibilities.
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Q1. What is monolithic
Ans. 
Monolithic refers to a software architecture where all components are tightly coupled and dependent on each other.
• All components of the application are interconnected and interdependent

• Changes to one part of the application require changes to other parts

• Difficult to scale and maintain due to the tightly coupled nature

• Examples include traditional desktop applications and some legacy systems
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Q2. What is docker and kubernetics
Ans. 
Docker is a platform for developing, shipping, and running applications in containers. Kubernetes is an open-source system for automating deployment, scaling, and management of containerized applications.
• Docker allows developers to package applications and their dependencies into a container that can run on any system.

• Kubernetes helps in managing multiple containers across a cluster of servers, providing features like ...read more
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Q3. Microservices design pattern
Ans. 
Microservices design pattern is an architectural style that structures an application as a collection of loosely coupled services.
• Each service is responsible for a specific business function and can be developed, deployed, and scaled independently.

• Communication between services is typically done through APIs, allowing for flexibility and resilience.

• Microservices promote agility, scalability, and fault isolation in soft...read more
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Q4. Saga design pattern
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Q5. Sql using mongo db
Ans. 
MongoDB is a NoSQL database, so it does not use SQL. Instead, it uses a query language similar to JSON.
• MongoDB uses a query language called MongoDB Query Language (MQL) which is similar to JSON.

• Queries in MongoDB are expressed as JSON-like documents.

• There is no need for SQL when working with MongoDB.
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Coding test in MCQ format

Q1. Have to be technically stron in whatever is mentioned in the resume
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Q1. Salary discussion and basic questions
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