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Mad Street Den Full Stack Developer Interview Questions, Process, and Tips
Mad Street Den Full Stack Developer Interview Experiences
1 interview found
Selected
I applied via Company Website and was interviewed before Feb 2023. There were 4 interview rounds.
(3 Questions)
- Q1. What is closure
- Ans.
Closure is a feature in programming languages that allows a function to access variables from its outer scope even after it has finished executing.
Closure is created when a nested function references variables from its parent function.
It allows for data encapsulation and privacy in JavaScript.
Closures are commonly used in event handlers, callbacks, and asynchronous programming.
They can be used to create private variabl...
- Q2. How JS handles hoisting
- Ans.
JS hoisting is a mechanism where variable and function declarations are moved to the top of their scope during compilation.
Variable declarations are hoisted but not their initializations.
Function declarations are fully hoisted, including their definitions.
Hoisting can lead to unexpected behavior if not understood properly.
Example: console.log(x); var x = 5; // Output: undefined
- Q3. What are the different CSS position properties
- Ans.
CSS position properties determine how an element is positioned on a web page.
static: default position, elements flow in document order
relative: positioned relative to its normal position
absolute: positioned relative to its nearest positioned ancestor
fixed: positioned relative to the browser window
sticky: positioned based on scroll position
(2 Questions)
- Q1. What are the different component lifecycles in react
- Ans.
React has several component lifecycles, including mounting, updating, and unmounting.
Mounting: when a component is being created and inserted into the DOM
Updating: when a component is being re-rendered due to changes in props or state
Unmounting: when a component is being removed from the DOM
- Q2. What is the use of ref in react
- Ans.
Ref is used in React to access and manipulate the DOM directly.
Ref provides a way to access and modify DOM elements or React components.
It is commonly used for focusing input fields, triggering animations, or integrating with third-party libraries.
Ref can be created using the useRef() hook or by using the ref attribute in class components.
Example: const inputRef = useRef();
Example: const button
(2 Questions)
- Q1. Design the DB for slack
- Ans.
Designing the database for Slack
Create tables for users, channels, messages, and teams
Use foreign keys to establish relationships between tables
Include columns for user details, channel details, message content, and timestamps
Consider indexing frequently queried columns for performance optimization
- Q2. How will you improve the db performanc
- Ans.
To improve db performance, optimize queries, use indexing, cache data, and scale horizontally.
Optimize queries by using appropriate indexes and avoiding unnecessary joins
Cache frequently accessed data to reduce database load
Scale horizontally by distributing the database across multiple servers
Use database monitoring tools to identify and resolve performance bottlenecks
(3 Questions)
- Q1. Explain the projects that you worked on
- Q2. What is CDN and list its uses
- Ans.
CDN stands for Content Delivery Network. It is a distributed network of servers that helps deliver web content efficiently.
CDN improves website performance by caching content closer to the user
It reduces latency and improves page load times
CDN helps handle high traffic loads and prevents server overload
It provides global coverage and ensures content availability worldwide
CDN can deliver various types of content like im...
- Q3. How will improve the api latency of a system
- Ans.
To improve API latency, optimize database queries, use caching, implement load balancing, and optimize code.
Optimize database queries by using indexes, reducing unnecessary joins, and optimizing query execution plans.
Implement caching to store frequently accessed data in memory, reducing the need for repeated database queries.
Use load balancing to distribute incoming requests across multiple servers, preventing any sin...
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Full Stack Developer Interview Questions & Answers
Myrsa Technology Solutions
Anonymous
posted on 11 Jul 2022
I applied via Campus Placement
(1 Question)
- Q1. They questioned me about backend-to-front-end connections.
(1 Question)
- Q1. We discussed the fundamentals like my experience, resume, my future plans, and then the compensation package.
Interview Preparation Tips
(1 Question)
- Q1. Asked about the previous job experience and area of interest like frontend or backend
Coding test was on reactjs and html
(1 Question)
- Q1. Asked about all the react concepts in detail
(1 Question)
- Q1. Javascript basics were asked
Software Developer Interview Questions & Answers
Panorbit Services LLP
Anonymous
posted on 22 Sep 2024
Selected
Desgining of backend services
Create a hero section for website
Software Developer Interview Questions & Answers
Sciflare Technologies Private Limited
Ganesan G
posted on 11 Sep 2023
I applied via Walk-in and was interviewed in Aug 2023. There were 4 interview rounds.
Section 1. 10 questions aptitude
section 2. 10 oops questions based on c++
section 3. comprehension
section 4. 10 questions English grammar
One coding question. it's like two lines of question, understand the question and write the code using any programming language.
(1 Question)
- Q1. General technical questions
(1 Question)
- Q1. General resume based questions.
Full Stack Software Developer Interview Questions & Answers
Myrsa Technology Solutions
Roshani Gaikwad
posted on 19 Jan 2023
Selected
I applied via Indeed and was interviewed in Dec 2022. There were 2 interview rounds.
(4 Questions)
- Q1. 1.diffrence between javaScript and nodejs
- Ans.
JavaScript is a programming language used for web development, while Node.js is a runtime environment for executing JavaScript code outside of a web browser.
JavaScript is primarily used for client-side scripting, while Node.js is used for server-side scripting.
JavaScript is executed in a web browser, while Node.js is executed on a server.
Node.js provides additional modules and libraries for server-side development, suc...
- Q2. 2.Tell me the angular lifecycle
- Ans.
Angular lifecycle consists of eight different phases.
The first phase is ngOnChanges() which is called when a component receives data-bound input properties.
The second phase is ngOnInit() which is called once the component is initialized.
The third phase is ngDoCheck() which is called during every change detection run.
The fourth phase is ngAfterContentInit() which is called after the component's content has been projecte...
- Q3. 3. what is the use of ORM Tool
- Ans.
ORM tool is used to map object-oriented programming language to a relational database management system.
ORM tool helps in reducing the amount of code required to interact with the database.
It provides an abstraction layer between the application and the database.
ORM tool helps in managing the database schema and relationships between tables.
It allows developers to work with objects instead of SQL statements.
Examples of...
- Q4. 4. What is form control build.
- Ans.
Form control build refers to the process of creating and customizing form controls in web development.
Form controls are elements like text boxes, radio buttons, and dropdown menus that allow users to input data on a website.
Developers can use HTML, CSS, and JavaScript to build and style form controls to fit the needs of their website or application.
Form control build also involves adding validation and error handling t
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Skills evaluated in this interview
Full Stack Developer Interview Questions & Answers
Myrsa Technology Solutions
Anonymous
posted on 11 Jul 2022
I applied via Campus Placement
(1 Question)
- Q1. They questioned me about backend-to-front-end connections.
(1 Question)
- Q1. We discussed the fundamentals like my experience, resume, my future plans, and then the compensation package.
Interview Preparation Tips
Full Stack Software Developer Interview Questions & Answers
Myrsa Technology Solutions
Harsh Patel
posted on 4 May 2022
I applied via Apna Jobs and was interviewed in Apr 2022. There was 1 interview round.
(1 Question)
- Q1. The technical skills and hands on experience into languages and various domains
- Ans. Described about the experience into various langauges and different platform apps
Interview Preparation Tips
Software Developer Interview Questions & Answers
Abhinav IT Solutions
Anonymous
posted on 3 Aug 2022
I applied via Recruitment Consulltant and was interviewed before Aug 2021. There were 2 interview rounds.
Hospital management syatem
Check the coding and databases connection and validations
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