Xoriant Senior Software Engineer Interview Questions and Answers

Scheduled script runs on a predefined schedule, while Map reduce script processes large datasets in parallel.

• Scheduled script is used for automating tasks at specific times, like sending reports daily at 8am.

• Map reduce script is used for processing large datasets by splitting them into smaller chunks and processing them in parallel.

• Scheduled script is typically used for routine tasks, while Map reduce script is used fo...read more

Types of scripts in NetSuite include SuiteScript, SuiteTalk, SuiteFlow, and SuiteBuilder.

• SuiteScript: JavaScript-based scripts for customizing NetSuite functionality.

• SuiteTalk: Web services integration for connecting NetSuite with external systems.

• SuiteFlow: Visual workflow tool for automating business processes.

• SuiteBuilder: Customization tool for modifying NetSuite forms, fields, and records.

Hoisting in JavaScript allows function and variable declarations to be used before they are defined, while closures capture variable scope.

• Hoisting moves declarations to the top of their containing scope, but not initializations.

• Example: console.log(x); var x = 5; // Outputs: undefined

• Functions are hoisted completely, allowing them to be called before their definition.

• Example: greet(); function greet() { console.log('H...read more

Virtual DOM in React.js optimizes rendering by minimizing direct manipulation of the actual DOM, enhancing performance.

• The Virtual DOM is a lightweight copy of the actual DOM, allowing React to manage changes efficiently.

• When a component's state changes, React updates the Virtual DOM first, then compares it with the previous version.

• This process is called 'reconciliation', where React calculates the minimal number of c...read more

Terraform is an Infrastructure as Code tool for building, changing, and versioning infrastructure safely and efficiently.

• Use HCL (HashiCorp Configuration Language) to define infrastructure resources.

• Organize configurations into modules for reusability.

• Utilize state files to track resource changes and manage infrastructure lifecycle.

• Example: Define an AWS EC2 instance with 'resource "aws_instance" "example" { ... }'.

• Imp...read more

Led a team to develop a scalable e-commerce platform using microservices architecture, enhancing user experience and performance.

• Utilized microservices architecture to improve scalability and maintainability.

• Implemented RESTful APIs for seamless integration with third-party services.

• Adopted Agile methodologies for iterative development and faster delivery.

• Incorporated automated testing to ensure code quality and reduce...read more