Iris Software Senior Data Scientist Interview Questions and Answers

As a Senior Software Engineer, I worked with various tools and technologies to develop and maintain software applications.

• Developed and maintained software applications using Java, Python, and C++ programming languages

• Used Agile methodology for software development and collaborated with cross-functional teams

• Worked with various tools such as Git, JIRA, Jenkins, and Docker for version control, issue tracking, continuous...read more

The biggest challenge in developing Azure solution was managing the complexity of the cloud environment.

• Managing the complexity of the cloud environment

• Ensuring scalability and reliability

• Integrating with existing systems

• Securing the solution

• Optimizing cost

• Example: Migrating a legacy application to Azure

Implementing tumbling window in Azure Data Factory without using the feature

• Create a pipeline with a trigger that runs at the desired interval

• Use a lookup activity to retrieve the data for the current window

• Use a foreach activity to iterate over the retrieved data

• Perform the required operations on the data within the foreach activity

• Write the output to the desired destination

My suggestion for implementation in Azure Data Factory v2 is to use the Mapping Data Flow feature.

• Utilize Mapping Data Flow for complex data transformations

• Take advantage of the visual interface to design and debug data flows

• Leverage the built-in data integration capabilities with other Azure services

• Use data flow parameters and expressions for dynamic transformations

• Monitor and optimize data flow performance using dat

C++ is a high-level programming language used for developing system software, application software, device drivers, and video games.

• C++ is an extension of the C programming language.

• It supports object-oriented programming concepts like classes, inheritance, polymorphism, and encapsulation.

• C++ is used in developing operating systems, browsers, databases, and other software applications.

• It is known for its performance an...read more

A data structure that stores a sequence of elements in a linear order.

• Consists of nodes that contain data and a pointer to the next node.

• Can be singly linked or doubly linked.

• Used for implementing stacks, queues, and hash tables.

• Example: Singly linked list - 1 -> 2 -> 3 -> null

• Example: Doubly linked list - null <- 1 <-> 2 <-> 3 -> null

VLAN works under the principle of network segmentation.

• VLAN separates a physical network into multiple logical networks.

• It improves network performance, security, and management.

• VLAN tags packets with a unique identifier to identify the network they belong to.

• Example: VLAN can be used to separate guest and employee networks in a company.

The question asks about the candidate's current and expected salary.

• Be honest and transparent about your current salary.

• Research the market rates for your role and level of experience to determine a reasonable expected salary.

• Consider other benefits and perks besides the base salary.

• Avoid discussing salary expectations too early in the interview process.

• Focus on the value you can bring to the company rather than just t

To make a hotel booking app in ReactJS

• Create a form to input booking details

• Use a calendar component to select dates

• Display available rooms and prices

• Implement payment gateway

• Include user authentication and booking history