Full Stack Academy Interview Questions and Answers

Q1. Hr calls to understand candidates experience and expectations
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Q1. Both technical discussion and coding happens in this round
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Q1. Some technical discussion with engineer manager and cultural fit
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Q1. Normal discussion
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Q1. Excel,sql,python
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Speed distance, relations, coding decoding, work time

Strings, LinkedList

Basic bath included and Strings sorting, leetcode medium basic SQL and some basic web related things

Q1. The first round of interviews was smooth; I had to visit their office in Andheri and then have a face-to-face conversation with Neeraj sir (Hr). The questions were to introduce yourself, what is big data, ...read more
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Q2. After answering, he seemed somehow satisfied, but later he was encouraging me to enroll in their course and enhance my skills. And I'm still getting their emails and promotional messages for the same.
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Q1. The second round was on the call, which was rescheduled thrice. Then finally I got a call where Ashish sir (Hr) asked me to introduce myself, what are T&Z testing, overfitting, K neighbour algorithm, can w...read more
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Q2. The job position was for a fresher Data analyst, but they were asking questions related to Data scientist position. Basically, they were looking for a candidate who has hands-on experience with real-time d...read more
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Medium level coding question

Q1. Intreview round asked about project mentioned in CV
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Q2. Basic of reacts, opps question,sql queries
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Implement login with Google SSO, show emails in a single place

Q1. How to implement JWT
Ans. 
JWT can be implemented by generating a token with user information and a secret key, then verifying the token using the same secret key.
• Generate a JWT token with user information and a secret key

• Include necessary claims like expiration time, issuer, etc.

• Verify the JWT token using the same secret key

• Handle token expiration and refresh if needed
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Q2. Please read about it on the internet, do take care of public and private key use
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Q3. Middleware in express, how to create one?
Ans. 
Middleware in Express is a function that has access to the request and response objects.
• Create a middleware function using app.use() method in Express.

• Middleware functions have access to the request object (req), the response object (res), and the next middleware function in the application's request-response cycle.

• Example: app.use((req, res, next) => { console.log('This is a middleware function'); next(); });
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Q4. Read about it on the internet
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Q1. Discussed about guards in Angular
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Q2. Read about it on the internet
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Q3. How does lazy loading work in Angular
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Lazy loading in Angular delays loading of modules until they are needed
• Lazy loading helps improve performance by only loading modules when they are required

• It is achieved by using the loadChildren property in the route configuration

• Lazy loaded modules are loaded asynchronously when the user navigates to the corresponding route
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Q4. Read about lazy loading in Angular
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Q5. How to enable SSR in Angular
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Server-side rendering (SSR) in Angular can be enabled by using Angular Universal.
• Install Angular Universal using Angular CLI

• Create a new Angular Universal project

• Update app.module.ts to include server-side rendering

• Build and run the Angular Universal project
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Q6. Read about Angular Universal for this
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Q1. Find duplicates in an array
Ans. 
Use a hash set to find duplicates in an array of strings.
• Create a hash set to store unique elements.

• Iterate through the array and check if the element is already in the hash set.

• If it is, then it is a duplicate. If not, add it to the hash set.
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Q2. Find single duplicate element in an array where contents of the array are length of array - 1
Ans. 
Find the single duplicate element in an array of strings with length n-1.
• Iterate through the array and use a HashSet to keep track of elements seen so far.

• If an element is already in the HashSet, that is the duplicate element.

• Return the duplicate element once found.
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Create a student support system

Q1. Design an order and payments system for an EdTech company
Ans. 
Design an order and payments system for an EdTech company
• Allow users to browse and select courses

• Implement a shopping cart for users to add courses

• Integrate payment gateways for secure transactions

• Provide order confirmation and receipt to users

• Allow users to track their order status
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