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WhatBytes Backend Developer Interview Questions, Process, and Tips
WhatBytes Backend Developer Interview Experiences
1 interview found
Anonymous
Selected
I was interviewed in Dec 2024.
You need to create a login page using Django and incorporate several features. The user should be able to view the date of their last login and the date their account was created in their profile. If the user selects the "forgot password" option, they should be able to enter their email address, and a link should be sent to that email for password reset. Additionally, there should be a logout button that allows the user to log out at any time they wish.
(5 Questions)
- Q1. Why do you use virtual environment in Django
- Q2. What are the steps to connect PostgreSQL to Django?
- Q3. Write a code to implement level order traversal in a tree
- Q4. On a scale from 1 to 10, how would you rate your proficiency in data structures and algorithms?
- Q5. Tell me about JWT token
(1 Question)
- Q1. What are the things you learnt from your interview??
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I was interviewed in Dec 2024.
(2 Questions)
- Q1. Why did you choose the flask over the django and fastapi?
- Ans.
I chose Flask over Django and FastAPI due to its simplicity, flexibility, and ease of use for smaller projects.
Flask is lightweight and minimalistic, making it easier to set up and use for smaller projects.
Flask allows for more flexibility in terms of project structure and customization compared to Django.
Flask is well-suited for rapid prototyping and smaller applications where simplicity is key.
Django, on the other ha...
- Q2. Write the code for flask request and response block?
- Ans.
Flask request and response block code snippet
Use Flask's request object to access incoming request data
Use Flask's jsonify function to create a JSON response
Handle different HTTP methods like GET, POST, etc. in the route function
(2 Questions)
- Q1. What is ORM? which ORM tool, have you used?
- Ans.
ORM stands for Object-Relational Mapping, a programming technique for converting data between incompatible type systems in object-oriented programming languages.
ORM is used to map objects from an application to tables in a relational database.
It simplifies data manipulation by allowing developers to work with objects instead of SQL queries.
Popular ORM tools include Hibernate for Java, Entity Framework for .NET, and Seq
- Q2. Write ORM code for select item from table?
- Ans.
Use ORM code to select item from a table in database.
Use ORM query methods like find(), findOne(), or where() to select items from a table.
Specify the table name and any conditions for the selection.
Example: User.find({ where: { id: 1 } }) will select a user with id 1 from the User table.
Interview Preparation Tips
Selected
I was asked a problem around Edit distance and how to compute a average for a stream of data.
Nikita Khare
(2 Questions)
- Q1. Nodejs promises async await difference
- Ans.
Node.js promises are a way to handle asynchronous operations, while async/await is a syntax for writing asynchronous code in a synchronous manner.
Promises are objects that represent the eventual completion (or failure) of an asynchronous operation.
Async/await is a syntactic sugar built on top of promises, making asynchronous code look more like synchronous code.
Async functions return a promise, which allows you to use ...
- Q2. Nodejs architecture eventloop
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Jul 2024. There was 1 interview round.
(2 Questions)
- Q1. Can you provide a basic self-introduction?
- Q2. Which project you working right now and what are the challenges
(2 Questions)
- Q1. Introduce yourself
- Ans.
I am a passionate Backend Developer with 5 years of experience in building scalable and efficient web applications.
5 years of experience in backend development
Proficient in programming languages like Java, Python, and Node.js
Strong understanding of database management systems such as MySQL and MongoDB
Experience in developing RESTful APIs and microservices
Familiar with cloud technologies like AWS and Azure
- Q2. Some python programs
(2 Questions)
- Q1. React questions
- Q2. Nodejs questions
Interview Preparation Tips
I was interviewed in Jul 2024.
(2 Questions)
- Q1. Find pairs from list whose is equals to target
- Ans.
Find pairs from list whose sum is equal to target
Iterate through the list and for each element, check if the target minus the element exists in a hashmap
If it exists, add the pair to the result list
If it doesn't exist, add the current element to the hashmap
- Q2. Multiple iNheritance
Skills evaluated in this interview
(2 Questions)
- Q1. They asked Oops concepts
- Q2. They asked exception handling
Selected
I applied via LinkedIn and was interviewed in Mar 2024. There were 2 interview rounds.
Aptitude Test based on general
Coding Test Based on backend technologies
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WhatBytes Backend Developer Interview Process
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