NTT Data Technical Lead Interview Questions and Answers

Q1. All AWS related questions
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Q2. Automation questions specific cloud automation using Python
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Q1. Overall infrastructure handling & Trouble shooting
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Q2. How you perform as Individual contributor/ get team lead opportunity how you handle it
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I excel as an individual contributor and transition smoothly into a team lead role by leveraging my technical expertise and leadership skills.
• Demonstrate strong technical skills and consistently deliver high-quality work as an individual contributor.

• Proactively seek opportunities to mentor and guide team members, showcasing leadership potential.

• Communicate effectively with team members, fostering collaboration and driv...read more
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Q1. Questions related to microservices
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Q2. How Springboot works internally
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Springboot is a framework that simplifies the development of Java applications by providing a set of tools and conventions.
• Springboot uses embedded servers like Tomcat or Jetty to run applications.

• It auto-configures many components based on dependencies added to the project.

• It uses annotations like @SpringBootApplication to define the main class of the application.

• Springboot uses Spring Framework's Inversion of Control...read more
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Q1. Questions related to Kafka
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Q2. SAGA Design pattern and how you can implement it
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SAGA design pattern is used for managing long-lived transactions in distributed systems.
• SAGA pattern breaks down a long transaction into a series of smaller, more manageable steps.

• Each step in the SAGA pattern is a separate transaction that can be rolled back if needed.

• SAGA pattern ensures that the overall transaction is eventually consistent.

• Examples of SAGA pattern implementation include using compensating transactio
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Q1. Tell me about your overall experience
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I have over 10 years of experience in software development, with a focus on leading teams and delivering high-quality products.
• Led multiple cross-functional teams in developing and launching successful products

• Extensive experience in full stack development, including front-end and back-end technologies

• Strong background in Agile methodologies and project management

• Collaborated with stakeholders to define project require
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Q2. Explain Projects you have worked on
Ans. 
I have worked on various projects including a mobile app for tracking fitness goals and a web application for managing inventory.
• Developed a mobile app using React Native to track fitness goals and provide workout plans

• Built a web application using Angular for managing inventory and tracking sales

• Implemented RESTful APIs for communication between front-end and back-end systems
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Q3. Situation based questions, how to handle conflict in the team
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Q1. They first ask me about my project then ask more how it was working ,and more deep questions on that to understand how much I know about the project I worked on .
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Q2. Spring Authentitation and Authorization,And Kubernetes
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Q1. Normal js questions
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Q2. React - create a to do list
Ans. 
Create a to do list using React
• Create a new React project using create-react-app

• Create a component for the to do list

• Use state to manage the list of tasks

• Allow users to add new tasks and mark tasks as completed

• Style the to do list using CSS or a UI library like Material-UI
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Q3. What you know about typescript
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TypeScript is a superset of JavaScript that adds static typing and other features to help developers write more robust code.
• TypeScript is a statically typed language that compiles to plain JavaScript

• It supports modern JavaScript features like classes, interfaces, and modules

• TypeScript helps catch errors at compile time, making code more reliable and maintainable
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Q1. Normal js questions
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Q2. Write a map function.
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A map function applies a given function to each element of an array and returns a new array with the results.
• Use the map function to iterate over each element of the array

• Pass a callback function as an argument to the map function

• The callback function should take the current element as input and return the transformed element

• Example: const arr = ['apple', 'banana', 'cherry']; const newArr = arr.map(item => item.toUpper
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Java 8 based programming

Q1. Design patterns
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Q2. Microservices architecture
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Q1. Kafka details about producer and consumer
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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
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Q1. Scenarios based solutions to problems and java8, exception, immutable class and spring boot annotations
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Q1. About atos. Why atos and previous projects i worked on.
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