Newton School: Pay after Placement Full Stack Web Developer Interview Questions and Answers

Q1. What is your Role and responsibility in your current organization?
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Q2. What Kind of Production environments do you solve?
Ans. 
I solve complex production environments by identifying issues, optimizing performance, and implementing solutions.
• Identifying bottlenecks and optimizing performance

• Troubleshooting and resolving production issues

• Implementing scalable solutions for high traffic websites

• Working with cloud services like AWS or Azure

• Automating deployment processes with tools like Jenkins or Docker
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Q3. What Features you have worked on? Explain 1 feature?
Ans. 
Developed a real-time chat feature for a social networking platform.
• Implemented WebSocket technology for instant messaging

• Designed user interface for chat window with message history

• Integrated push notifications for new messages

• Developed backend logic for message encryption and decryption
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Q4. How did you prepare the design doc for this feature? What was your Approach?
Ans. 
I prepared the design doc by outlining the requirements, architecture, data flow, and user interactions.
• Outlined the requirements and goals of the feature

• Defined the architecture and technologies to be used

• Described the data flow and interactions between components

• Included wireframes or mockups for user interfaces

• Listed potential edge cases and how to handle them
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Q5. Find if Array2 is a substring of Array1
Ans. 
Check if Array2 is a substring of Array1
• Iterate through Array1 and check if each element contains Array2

• Use built-in string functions like includes() or indexOf() to check for substring

• Consider edge cases like empty arrays or arrays with empty strings
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Q6. How will you build breadcrums in react?
Ans. 
Breadcrumbs in React can be built using a combination of state management and conditional rendering.
• Create a state variable to store the breadcrumb data.

• Update the state variable as the user navigates through the application.

• Render the breadcrumbs component with the data stored in the state.
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Q7. How will you design a parking system? What api's will you create ? Their body and response object.
Ans. 
Design a parking system with APIs for managing parking spots and reservations.
• Create API for adding new parking spots with details like location, availability, and pricing

• Create API for listing available parking spots based on location and availability

• Create API for reserving a parking spot with user details and duration

• Create API for cancelling a parking reservation

• Response object for adding parking spot: { success: t...read more
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It was an online test

Q1. Basic DSA Questions
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Q1. Tell me about yourself
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Was given a DSA problem on squares it was relatively easy.

Was giving another problem as regards longest sub array without repeating letters.

Q1. What is git grep
Ans. 
git grep is a command in Git that allows you to search through the contents of files in a Git repository.
• Allows searching through the contents of files in a Git repository

• Similar to the 'grep' command in Unix/Linux

• Can be used to search for specific strings or patterns in files

• Useful for finding references to functions, variables, or text within the codebase
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Q2. What is profilers
Ans. 
Profilers are tools used to analyze the performance of software applications by measuring various metrics such as CPU usage, memory usage, and execution time.
• Profilers help identify bottlenecks and optimize code for better performance.

• Examples of profilers include VisualVM, YourKit, and Xcode Instruments.

• Profiling can be done for different aspects of an application, such as CPU profiling, memory profiling, and network
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All types of questions asked

DSA ,Algorithm, OOPS, all types of questions asked

Php, html, css, JavaScript, jQuery, website design and development, wordpress

WordPress, website design and development, template integration, php, html, css

Q1. Puzzle of 7 horses
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Q2. Not sure, look it up online
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Q3. 2d Matrix problems
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Q4. Coding questions on Array
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Q5. Coding Question on String
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Q 1 print string in tringal farmat
Q2 print duplicate string in two array

Q1. About core java over all
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