ShareChat Senior Engineer Interview Questions and Answers

Where - Maa Shawarma, East west college main road, Bharath Nagar.
Google Maa Shawarma for exact location.
What - Barbeque Al-Faham Chicken, Half plate.
Price - ₹160/-
➖➖
Reel by - @bangalore__hudga @eat_in_bangalore
➖➖
#eatinbangalore #karnatakastreetphotography #bangalorebloggers #nammakarnatakaphotographers #karnatakadiaries #ifoundawesome #walkwithindia #bangalorediaries #bengaluru #bangalore #karnataka #karnatakatourism #indianfood #f52grams #_poi #clickindiaclick #photographersofindia #sobangalore #lbbbangalore #foodiesofkarnataka #karnatakagram

Where - Maa Shawarma, East west college main road, Bharath Nagar.
Google Maa Shawarma for exact location.
What - Barbeque Al-Faham Chicken, Half plate.
Price - ₹160/-
➖➖
Reel by - @bangalore__hudga @eat_in_bangalore
➖➖
#eatinbangalore #karnatakastreetphotography #bangalorebloggers #nammakarnatakaphotographers #karnatakadiaries #ifoundawesome #walkwithindia #bangalorediaries #bengaluru #bangalore #karnataka #karnatakatourism #indianfood #f52grams #_poi #clickindiaclick #photographersofindia #sobangalore #lbbbangalore #foodiesofkarnataka #karnatakagram

Data Structures, Coding MCQs

Q1. What is Data Structure
Ans. 
Data structures are organized formats for storing, managing, and accessing data efficiently.
• 1. Types: Common data structures include arrays, linked lists, stacks, queues, trees, and graphs.

• 2. Arrays: Fixed-size collections of elements, e.g., [1, 2, 3, 4].

• 3. Linked Lists: Collections of nodes where each node points to the next, e.g., 1 -> 2 -> 3.

• 4. Stacks: Last-in, first-out (LIFO) structures, e.g., function call ...read more
Answered by AI
Add your answer
Q2. Write DFS Algorithm
Ans. 
Depth-First Search (DFS) is a graph traversal algorithm that explores as far as possible along each branch before backtracking.
• DFS uses a stack data structure, either explicitly or via recursion.

• It starts from a selected node and explores each branch before backtracking.

• Example: In a binary tree, DFS can be implemented using pre-order, in-order, or post-order traversal.

• DFS can be used to find connected components in a ...read more
Answered by AI
Add your answer

SQL and Python data analysis questions

Q1. How do you match the data in different columns.
Ans. 
Matching data in different columns involves comparing the values in the columns and identifying similarities or patterns.
• Use string matching techniques like exact match, partial match, or fuzzy matching.

• Apply data cleaning and preprocessing techniques to standardize the data before matching.

• Utilize advanced algorithms like Levenshtein distance or Jaccard similarity for more complex matching.

• Consider using database join...read more
Answered by AI
Add your answer

Q1. Template and Reactive Forms in Angular
Ans. 
Template and Reactive Forms in Angular are two ways to handle forms in Angular applications.
• Template Forms are based on the traditional HTML forms and are easy to use for simple forms.

• Reactive Forms are more flexible and powerful, allowing for complex form validation and dynamic form controls.

• Template Forms use two-way data binding, while Reactive Forms use a more reactive approach with observables.

• Reactive Forms are r...read more
Answered by AI
Add your answer

Basic coding only not to worry much

Q1. Tell me about ur self
Ans. 
I am a passionate software developer with experience in Java, Python, and web development.
• Experienced in Java, Python, and web development technologies

• Strong problem-solving skills

• Excellent team player with good communication skills
Answered by AI
Add your answer
Q2. What is ur projects
Ans. 
I have worked on various projects including a web-based inventory management system and a mobile app for tracking fitness goals.
• Developed a web-based inventory management system using React and Node.js

• Created a mobile app for tracking fitness goals using Flutter

• Implemented RESTful APIs for communication between frontend and backend systems
Answered by AI
Add your answer

Q1. What is event loop, how it works.
Ans. 
Event loop is a mechanism in programming that allows for asynchronous execution of code by continuously checking for and handling events.
• Event loop is commonly used in JavaScript to handle asynchronous operations like setTimeout, setInterval, and AJAX requests.

• It works by continuously checking the event queue for any pending events, executing them one by one, and then moving on to the next event.

• Event loop helps in pre...read more
Answered by AI
Add your answer
Q2. Micro task queue and macro task queue.
Add your answer
Q3. Is node.js single threaded or multi-threaded, also discuss threadpool and it's usages.
Add your answer
Q4. Tell the order of output, among process, promise, setTimeout, fs, setInterval.
Ans. 
The order of output is fs, process, setTimeout, setInterval, promise.
• fs module is synchronous and will output first

• process is next in line

• setTimeout will be executed after process

• setInterval will be executed after setTimeout

• promise will be executed last
Answered by AI
Add your answer

Q1. JavaScript usages compiler or interpreter.
Ans. 
JavaScript is an interpreted language.
• JavaScript is an interpreted language, meaning it is executed line by line at runtime.

• There is no separate compilation step in JavaScript like in languages that use compilers.

• Examples of interpreted languages include Python, Ruby, and PHP.
Answered by AI
Add your answer
Q2. Tell the output among various for loops using var, let and bind.
Ans. 
Output comparison of for loops using var, let, and bind in JavaScript.
• Using var: variable is function-scoped, may lead to unexpected behavior in loops.

• Using let: variable is block-scoped, recommended for loop iterations.

• Using bind: creates a new function with a specified 'this' value and initial arguments.
Answered by AI
Add your answer
Q3. A medium level dsa question on array, solved it using pre-sum.
Add your answer
Q4. Situation based question, on how to pick a suitable database.
Add your answer

Q1. What do you do on daily basis, and how to decide a tech-stack on high level.
Ans. 
I work on coding, debugging, testing, and collaborating with team members. Tech stack decisions are based on project requirements, scalability, performance, and team expertise.
• Daily tasks include coding, debugging, testing, and collaborating with team members

• Tech stack decisions are based on project requirements, scalability, performance, and team expertise

• Consider factors like language compatibility, libraries/framewo...read more
Answered by AI
Add your answer
Q2. Design an online scalable, real-time document sharing application like google docs.
Ans. 
Design a scalable, real-time document sharing app like Google Docs.
• Use websockets for real-time collaboration

• Implement version control to track changes

• Utilize a distributed database for scalability

• Include user authentication and access control

• Support offline editing with automatic sync
Answered by AI
Add your answer
Q3. How to handle images also in the future.
Ans. 
Utilize cloud storage for scalability, implement image compression techniques, and regularly update image processing libraries.
• Utilize cloud storage for scalability

• Implement image compression techniques

• Regularly update image processing libraries
Answered by AI
Add your answer
Q4. Any other way to solve the problem, of high I/O on same document to overcome throughput and conflicts.
Add your answer

Majorily on SQL and Databases

Q1. Align two images in a page with same width and same height
Ans. 
Use CSS to align two images with same width and height on a page
• Set both images to have the same width and height using CSS

• Use flexbox or grid layout to align the images horizontally or vertically

• Adjust margins or padding to fine-tune the alignment
Answered by AI
Add your answer
Q2. Array related question
Add your answer

Q1. Situation based question
Add your answer
Q2. Majorily focused on project
Add your answer