ALTRES Technologies Senior Software Engineer Interview Questions and Answers

Q1. Lazy loading in react
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Q2. Cache bursting
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Q3. Difference between == and ===
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Q1. 1. Pattern print code. 2. Types of S3 bucket in AWS. 3. Java basic question. 4. Spring/ Spring boot basic question. 5. Hibernate basic interview question. 6. Some behavioral question.
Ans. 
This is a list of questions asked in an interview for Senior Software Engineer position.
• 1. Pattern print code: Write a code to print a specific pattern using loops.

• 2. Types of S3 bucket in AWS: Explain the different types of S3 buckets in Amazon Web Services.

• 3. Java basic question: Provide a basic question related to Java programming language.

• 4. Spring/Spring Boot basic question: Give an example of a basic question rel...read more
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Q1. Design a paginated list of items, then improve efficiency
Ans. 
Design a paginated list of items and improve efficiency
• Implement lazy loading to fetch data only when needed

• Use caching to store previously fetched data for faster retrieval

• Optimize database queries to reduce load times
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Q1. Basics on Javascript, ReactJS
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Q1. Explain model, view and controller in brief
Ans. 
Model represents data, View displays data to user, Controller handles user input and updates model/view
• Model: Represents data and business logic

• View: Displays data to user

• Controller: Handles user input and updates model/view

• Example: In a web application, model could be a database table, view could be an HTML page, and controller could be a server-side script
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Q2. What are the various steps to create request object
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Steps to create a request object
• Define the request object class

• Add properties to the request object class

• Implement methods to set and get values of the properties

• Instantiate the request object class

• Set values for the properties of the request object
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Q1. Where do you see yourself in next 5 years?
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Q2. Why are you interested in this job
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Q1. Basic Java Questions
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Q2. Coding, OOPS, Collections
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Q3. L2 : Techno Manager Round
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Q4. Project Overview
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Q5. Spring Boot, Quarkus
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Q1. Angular Architecture, basic angular questions such as data binding, rxjs, dependency injection etc.
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Q1. Coding assignment to fetch data from API and render on the UI. Using httpclient module.
Ans. 
Fetch data from API and render on UI using httpclient module
• Create an instance of httpclient module

• Use httpclient to make a GET request to API endpoint

• Parse the response data and render on UI
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Q1. Normal question on roles and responsibilities alongwith cultural fitment check.
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Q1. Client interview to get the knowledge of UX and responsive web application. Css etc.
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Q1. Just discussions about my past experience. It was a phone interview
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Some basic node js coding like reading from a file, crud operations

Q1. Database schema and system design
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It was mainly some behavioural questions and math aptitude questions