GE Vernova Interview Questions and Answers

To work in a pressurized environment and handle priority production bugs, one must prioritize tasks, communicate effectively, stay calm under pressure, and seek help when needed.

• Prioritize tasks based on their impact on the production environment

• Communicate effectively with team members and stakeholders to understand the urgency and impact of the bugs

• Stay calm under pressure and avoid making hasty decisions

• Break down complex problems into smaller, manageable tasks

• Seek help fr...read more

HashMap works internally by using a hash function to map keys to their corresponding values in an array of linked lists.

• HashMap uses a hash function to determine the index of the key-value pair in the array.

• Collisions can occur when multiple keys hash to the same index, which is resolved by using linked lists at each index.

• When retrieving a value, the hash function is used to find the correct index and then the linked list is searched for the key.

• HashMap dynamically resizes w...read more

SOLID principles are a set of five design principles that help make software designs more understandable, flexible, and maintainable.

• Single Responsibility Principle (SRP) - A class should have only one reason to change.

• Open/Closed Principle (OCP) - Software entities should be open for extension but closed for modification.

• Liskov Substitution Principle (LSP) - Objects of a superclass should be replaceable with objects of its subclasses without affecting the functionality.

• Inter...read more

Kubernetes and Docker are popular tools for containerization and orchestration of applications.

• Kubernetes is a container orchestration platform that automates the deployment, scaling, and management of containerized applications.

• Docker is a containerization platform that allows developers to package applications and their dependencies into a standardized unit for software development.

• Use cases for Kubernetes and Docker include microservices architecture, continuous integratio...read more

Designing a secure REST API involves implementing authentication, authorization, encryption, and input validation.

• Use HTTPS to encrypt data in transit

• Implement OAuth or JWT for authentication and authorization

• Validate and sanitize input to prevent injection attacks

• Limit access to sensitive data with role-based access control

Developing a real-time monitoring system for a large-scale financial trading platform

• Implemented complex algorithms to analyze market data in real-time

• Designed a scalable architecture to handle high volume of transactions

• Worked closely with traders and analysts to understand requirements and make necessary adjustments

• Managed a team of developers to ensure project milestones were met

Fundamentals of .NET Core include cross-platform compatibility, high performance, and open-source framework.

• Cross-platform compatibility allows .NET Core applications to run on Windows, macOS, and Linux.

• High performance is achieved through features like just-in-time compilation and efficient memory management.

• Open-source framework encourages community contributions and rapid development.

• Support for modern development practices like microservices and containerization.