KreditBee Backend Developer Interview Questions and Answers

Q1. Medium level Leetcode question based on topological sorting.
Add your answer

Q1. They ask basic php, oops, Laravel question
Add your answer
Q2. Basic sql questions were ask and to write some sql query
Add your answer

Q1. Tell me about yourself.
Add your answer

1. Tell me about yourself
2. Estimate the number of hospitals in India

1. There has been a decrease in 20% of the users in the past 3 days in online pharmacy application, what will you do now?

Q1. Salary negotiation on what were last salary and related questions
Add your answer
Q2. How soon can you join?
Add your answer
Q3. Are you holding any other offer, in case you do..they will try to match it which ideally depends on your interview.
Add your answer
Q4. Are you comfortable relocating to the office location?
Add your answer

Q1. Build an sample app server with express.js
Ans. 
Build a sample app server using express.js
• Install express.js using npm

• Create a new express app

• Set up routes and middleware

• Start the server to listen on a specific port
Answered by AI
Add your answer
Q2. How do you make connection with database in your project
Ans. 
I use JDBC (Java Database Connectivity) to establish connection with the database in my project.
• Use JDBC API to connect to the database

• Load the JDBC driver

• Create a connection object

• Create a statement object

• Execute SQL queries
Answered by AI
Add your answer
Q3. Write multer middleware code.
Ans. 
Multer is a middleware for handling multipart/form-data, used for file uploads in Node.js.
• Install multer package using npm: npm install multer

• Require multer in your Node.js file: const multer = require('multer')

• Set up multer middleware with desired options: const upload = multer({ dest: 'uploads/' })

• Use the upload middleware in your route handler to process file uploads
Answered by AI
Add your answer