PUMA Software Developer Interview Questions and Answers

Q1. Tell me about yourself
Ans. 
I am a passionate software developer with experience in building web applications using various technologies.
• Experienced in developing web applications using HTML, CSS, JavaScript, and frameworks like React and Angular

• Proficient in backend development with Node.js and databases like MongoDB and MySQL

• Familiar with version control systems like Git and deployment tools like Heroku

• Strong problem-solving skills and ability ...read more
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Q2. Questions around automation
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Q1. DAX functions used in power bi
Ans. 
DAX functions are used in Power BI for data analysis and calculations.
• DAX functions are used to create calculated columns, measures, and tables in Power BI.

• Common DAX functions include SUM, AVERAGE, COUNT, MAX, MIN, and CALCULATE.

• DAX functions can be used to perform complex calculations and manipulate data in Power BI reports.

• Examples of DAX functions include CALCULATE(SUM(Sales[Amount])), AVERAGE(Sales[Quantity]), and
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Q1. Last projects undertaken during previous company
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Developed a web-based project management tool for tracking tasks and deadlines.
• Utilized React.js for front-end development

• Implemented RESTful APIs for communication between front-end and back-end

• Integrated authentication and authorization features for user security
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Nice it contain logical reasoning

Q1. Recreate the array's concat function.
Ans. 
Recreate the concat function for arrays of strings.
• Create a new array to store the concatenated strings.

• Loop through each element in the input arrays and add them to the new array.

• Return the new concatenated array.
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Q2. Getting a response from a promise.
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Create a react component to load an image from an HTTP request with error handling.

It was very easy to code leetcode easy

Very good interviewing experience in this

Q1. Java 8 related programming
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Q2. Data Structures
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Q1. Techno Managerial around
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Q1. Spring Boot annotations related question
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Q2. Java 8 advantages
Ans. 
Java 8 introduced several new features and improvements, including lambda expressions, functional interfaces, streams, and default methods.
• Lambda expressions allow for more concise and readable code.

• Functional interfaces enable the use of lambda expressions.

• Streams provide a way to work with collections in a more functional style.

• Default methods allow interfaces to have method implementations.
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Q1. Questions on microservices
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Q2. Types of HTTP methods, what is idempotency in rest api
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HTTP methods include GET, POST, PUT, DELETE, PATCH. Idempotency in REST API means multiple identical requests have the same effect as a single request.
• HTTP methods: GET, POST, PUT, DELETE, PATCH

• Idempotency in REST API: Multiple identical requests have the same effect as a single request

• Example: GET and PUT are idempotent as they do not change the state of the server with multiple identical requests
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