Wingify Interview Questions, Process, and Tips

Q1. Tell me about yourself and your journey so far
Ans. 
Experienced sales professional with a proven track record of exceeding targets and building strong client relationships.
• Started my career in sales at XYZ Company, where I consistently exceeded sales targets by 20% each quarter

• Moved on to ABC Company as a Sales Manager, where I successfully led a team of 10 sales representatives to achieve a 30% increase in revenue

• Currently looking for new challenges and opportunities t...read more
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Q2. Why did you choose sales ?
Ans. 
I chose sales because I enjoy building relationships, meeting new people, and helping customers find solutions to their needs.
• Enjoy building relationships with clients

• Meeting new people and networking

• Helping customers find solutions to their needs

• Thriving in a fast-paced and competitive environment
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Sales simulation round wherein you will be given a case study in advance. You have to do a discovery call for a potential wingify customer

First round had around 25 multipl;e choice question on dsa,html,css,javascript,network security

Q1. Second was a telephonic round mainly for accessing the communication skill.
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Q2. Tell me about yoyself,about your projects and why do prefer this role.
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Q1. Technical round,questions based on html,css,javascript,Jquery,api
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Q1. Technical interview 2 first they started with asking questions on their product VWO,and again went back to html,css,javascript,jquery
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Q1. Find the maximum distance between any two leaf nodes of a binary tree.
Ans. 
Find the maximum distance between any two leaf nodes of a binary tree.
• Traverse the tree to find the maximum depth of left and right subtrees

• Calculate the maximum distance by adding the depths of left and right subtrees
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Q2. Design least recently used cache.
Ans. 
Design a least recently used cache system.
• Use a combination of a hash map and a doubly linked list to keep track of the least recently used items.

• When a new item is accessed, move it to the front of the list.

• If the cache is full, remove the least recently used item from the end of the list.
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Q3. You are given a student table having columns as id, name, and score. find the top 20 percentile of student's details based on their score.
Ans. 
Calculate top 20 percentile of student details based on score in a student table.
• Calculate the 80th percentile score using formula: 80th_percentile = 0.8 * total_students

• Sort the scores in descending order and find the score at 80th percentile position

• Retrieve student details with scores greater than or equal to the 80th percentile score
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About 5 coding problems that were quite easy.

I remember a LCM and queue related question.

I solved 4/5 questions and got shortlisted for next round.

Asked me to rate myself in Javascript.

Then asked to do level order traversal of a dom element in javascript.

Then asked about temporal dead zone and promises.

Asked one DSA question that I solved using C++

Q1. SQL join question Computer network-related questions OS question -> What is starvation and what is the solution? Parallelism vs concurrency? What is a cookie? Difference between interface and abstract clas...read more
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2 easy DSA questions to be solved using Javascript

Q1. Custom implementation of array flat method
Ans. 
Custom implementation of array flat method
• Create a function that takes an array as input

• Iterate through each element of the array

• If an element is an array, recursively call the function on that element

• If an element is a string, add it to the result array

• Return the result array
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Q2. Explain memoization and write fibonacci code using memoization
Ans. 
Memoization is a technique to optimize function calls by caching their results.
• Memoization is used to store the results of expensive function calls and return the cached result when the same inputs occur again.

• It improves performance by avoiding redundant computations.

• Fibonacci sequence is a classic example to demonstrate memoization.

• Memoization can be implemented using an object or an array to store the cached results
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Q3. Frontend concepts like closures, debounce, React hooks and lifecycle, graphql, web workers, service workers etc.
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DSA questions on array, strings and linkedlist asked medium level of dsa questions.

Q1. Javascript intervew questions and react.js interview questions.
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Q2. What is difference between == and ===
Ans. 
The '==' operator checks for equality after type coercion, while '===' checks for equality without type coercion.
• The '==' operator compares two values after converting them to a common type.

• The '===' operator compares two values without type conversion, so they must be of the same type to be considered equal.

• Example: 1 == '1' will return true because the values are equal after type coercion, but 1 === '1' will return f
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Q3. What is async await
Ans. 
Async await is a feature in JavaScript that allows for asynchronous code to be written in a synchronous manner.
• Async await is built on top of promises and provides a cleaner syntax for handling asynchronous operations.

• It allows you to write asynchronous code that looks like synchronous code, making it easier to read and maintain.

• The 'async' keyword is used to define a function as asynchronous, while the 'await' keyword...read more
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Q4. Tell me about IIFE
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Q5. What is call back hell in javascript
Ans. 
Callback hell refers to the situation where multiple nested callbacks make the code difficult to read and maintain.
• Occurs when multiple asynchronous operations are nested within each other

• Can lead to deeply nested code structure which is hard to follow

• Can be avoided by using promises or async/await
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DSA required of high level so be prepared

Q1. Why do you want to join
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Q2. Tell me about yourself
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