Goldman Sachs Technical Specialist Interview Questions and Answers

Q1. Introduce yourself. Roles and Projects you were part of.
Add your answer
Q2. SQL joins, CTEs, Snowflake
Add your answer
Q3. Python libraries, data cleaning techniques
Add your answer

Q1. What is dependency injection?
Ans. 
Dependency injection is a design pattern in which components are given their dependencies rather than creating them internally.
• Dependency injection helps in achieving loose coupling between classes.

• It allows for easier testing by mocking dependencies.

• There are three types of dependency injection: constructor injection, setter injection, and interface injection.

• Example: Instead of a class creating an instance of another...read more
Answered by AI
Add your answer
Q2. What is app.use in .net core?
Ans. 
app.use in .NET Core is used to add middleware to the request pipeline.
• app.use is a method used in ASP.NET Core to add middleware components to the request pipeline.

• Middleware components are software components that are executed in the request pipeline to handle requests and responses.

• Middleware components can perform tasks such as authentication, logging, error handling, and more.

• Example: app.use(new MiddlewareCompone
Answered by AI
Add your answer
Q3. What is difference between Interface and abstract class?
Ans. 
Interface is a contract that defines the methods a class must implement, while abstract class can have both abstract and concrete methods.
• Interface cannot have any implementation, while abstract class can have both abstract and concrete methods.

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

• Interfaces are used to achieve multiple inheritance in Java, while abstract classes are us...read more
Answered by AI
Add your answer
Q4. Boxing Unboxing
Add your answer
Q5. ArrayList and List
Add your answer
Q6. Can abstract class instantiated?
Ans. 
No, abstract classes cannot be instantiated.
• Abstract classes are meant to be inherited and extended by other classes.

• Attempting to instantiate an abstract class will result in a compilation error.

• Abstract classes can have abstract methods that must be implemented by the subclass.
Answered by AI
Add your answer
Q7. How to optimize react application?
Ans. 
Optimizing a React application involves code splitting, lazy loading, minimizing bundle size, using memoization, and optimizing render performance.
• Implement code splitting to load only necessary code for each route or component.

• Utilize lazy loading to defer loading of non-essential components until they are needed.

• Minimize bundle size by removing unused code, optimizing images, and using tree shaking.

• Use memoization te...read more
Answered by AI
Add your answer
Q8. Props destructuring?
Add your answer
Q9. Parent child component communication in react?
Ans. 
Parent child component communication in React involves passing data from parent to child components and triggering events from child to parent components.
• Use props to pass data from parent to child components

• Use callback functions to trigger events from child to parent components

• Context API can be used for passing data to deeply nested components
Answered by AI
Add your answer
Q10. What is useRef, useMemo, useCallback?
Ans. 
useRef is used to persist a value across renders, useMemo is used to memoize expensive calculations, useCallback is used to memoize functions.
• useRef is commonly used to access DOM elements or persist values between renders.

• useMemo is used to memoize expensive calculations to avoid re-computation.

• useCallback is used to memoize functions to prevent unnecessary re-renders.

• Example: useRef can be used to store a reference t...read more
Answered by AI
Add your answer

Q1. Technical questions on GenAI
Add your answer

Q1. Technical high level questions on Previous projects
Add your answer

Q1. Team handling and other case based scenario questions
Add your answer

Q1. Transaction in Spring Boot
Ans. 
Transactions in Spring Boot help manage database operations as a single unit of work.
• Transactions ensure ACID properties (Atomicity, Consistency, Isolation, Durability) for database operations.

• Use @Transactional annotation to mark a method as transactional.

• Transactions can be managed programmatically using TransactionTemplate.

• Rollback can be triggered manually in case of exceptions.

• Spring Boot supports both declarative
Answered by AI
Add your answer
Q2. Java Array and problem solving
Add your answer

All questions cs fundamentals

Basic coding questions

Q1. Technical interview
Add your answer

Q1. Second technical interview kind of managerial
Add your answer

Q1. Basic hr questions
Add your answer

Q1. Sorting array based on streams in java8, concurrent api changes in java8, optional class, functional interface. Lamba. Comparable vs comparator
Ans. 
Answering questions on Java 8 features such as streams, concurrent API, optional class, functional interface, lambda, and comparable vs comparator.
• Java 8 streams can be used to sort arrays based on specific criteria

• Concurrent API in Java 8 allows for parallel processing of data

• Optional class is used to handle null values in a more efficient way

• Functional interfaces are interfaces with only one abstract method, used for...read more
Answered by AI
Add your answer

Q1. Scenarios based solutions to problems and java8, exception, immutable class and spring boot annotations
Add your answer

Q1. About atos. Why atos and previous projects i worked on.
Add your answer

Q1. Self Introduction
Add your answer
Q2. Programming language & DBMS theory
Add your answer
Q3. A coding questions
Add your answer
Q4. Any other offers in hand?
Add your answer
Q5. Why do you want to join this company?
Add your answer