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Wingify Senior Frontend Software Engineer Interview Questions and Answers
Wingify Senior Frontend Software Engineer Interview Experiences
1 interview found
I applied via LinkedIn and was interviewed in Nov 2023. There were 3 interview rounds.
2 easy DSA questions to be solved using Javascript
(3 Questions)
- 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
- 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
- Q3. Frontend concepts like closures, debounce, React hooks and lifecycle, graphql, web workers, service workers etc.
Interview Preparation Tips
- Frontend concepts
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
Software Engineer Interview Questions & Answers
Josh Technology Group
Anonymous
posted on 16 Sep 2021
I appeared for an interview before Sep 2020.
(1 Question)
Round duration - 60 mins
Round difficulty - Medium
- Q1.
Railway Seat Berth Determination
Given a railway seat number represented as an integer, determine if it is a valid seat number and identify its berth type. Possible berth types include lower berth, middle...
- Ans.
Given a railway seat number, determine if it is valid and identify its berth type.
Parse input integer 't' for number of test cases
For each test case, check if seat number is valid (1 <= N <= 100)
Identify berth type based on seat number and output the result
Possible berth types are Lower, Middle, Upper, Side Lower, and Side Upper
(1 Question)
Round duration - 90 mins
Round difficulty - Hard
First they asked me to introduce myself then they started questioning on oops concept from basic to advance level such as inheritance, polymorphism, abstraction, exception handling , STL etc. Next they started questioning on data structures. They asked me the logic of “how to find the middle of a linked list”.
- Q1.
Matrix Symmetry Check
You are provided with a square matrix. Your task is to return
trueif the matrix is symmetric; otherwise, returnfalse.A symmetric matrix is characterized by its transpose being eq...
- Ans.
Check if a square matrix is symmetric by comparing it with its transpose.
Iterate through the matrix and compare each element with its corresponding element in the transpose
If any pair of elements do not match, return false immediately
If all pairs match, return true at the end
Interview Preparation Tips
Tip 1 : Clear the basic concepts of data structure and OOPs.
Tip 2 : Use coding ninja platform and Hackerearth for practice on coding skills.
Tip 3 : Use Geeks For Geeks for interview preparation.
Tip 1: Make your resume short and try to make it of one page only.
Tip 2: Add relevant keywords
Skills evaluated in this interview
Senior Software Engineer Interview Questions & Answers
Saama Technologies
Anonymous
posted on 10 May 2020
I applied via Recruitment Consultant and was interviewed in Apr 2020. There were 4 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Object Oriented Concepts and basic list/tuple/dictionary/ datetime conversion
- Q2. Project done in last company and how will you help Saama?
Interview Preparation Tips
Software Engineer Interview Questions & Answers
Josh Technology Group
Anonymous
posted on 28 Jul 2021
I applied via Campus Placement and was interviewed before Jul 2020. There was 1 interview round.
Interview Questionnaire
2 Questions
- Q1. Check if binary tree is balanced or not.
- Ans.
Check if binary tree is balanced or not.
A balanced binary tree has the height of left and right subtrees differ by at most 1.
Recursively check the height of left and right subtrees and compare.
Use a helper function to calculate the height of a subtree.
Time complexity: O(nlogn) for a balanced tree, O(n^2) for a skewed tree.
- Q2. Detect loops in linked list.
- Ans.
Detect loops in a linked list.
Use two pointers, one moving at a faster pace than the other.
If there is a loop, the faster pointer will eventually catch up to the slower one.
To detect the start of the loop, reset one pointer to the head and move both pointers at the same pace.
Interview Preparation Tips
Skills evaluated in this interview
I applied via Referral and was interviewed before Aug 2021. There were 2 interview rounds.
General topics like mathe, English, social etc
Interview Preparation Tips
- Python
- general
It represents the eligibility of person and thinking process ,view of thoughts
(1 Question)
- Q1. We cannot judge people to atonce chance
Skills ,fast typing , experienced ,new ideas
(1 Question)
- Q1. All the knowledge of technical work and word
Deeply study case and make a point to make attractive
Interview Preparation Tips
Senior Software Engineer Interview Questions & Answers
Talentica Software
Anonymous
posted on 6 Aug 2021
Interview Questionnaire
1 Question
- Q1. SOLID principles examples in depth,given to design user management database in sql(just flow diagram,and in which table which value is used),some basic c# questions related to how you log in c#
Senior Software Engineer Interview Questions & Answers
Talentica Software
Anonymous
posted on 30 Jan 2021
I applied via Recruitment Consultant and was interviewed in Dec 2020. There were 3 interview rounds.
Interview Questionnaire
4 Questions
- Q1. API testing methods
- Ans.
API testing methods involve functional, performance, security, and exploratory testing.
Functional testing ensures that the API meets the requirements and specifications.
Performance testing checks the API's response time, throughput, and resource utilization.
Security testing verifies the API's authentication, authorization, and encryption mechanisms.
Exploratory testing involves ad-hoc testing to discover defects and usa...
- Q2. Difference between sanity and smoke
- Ans.
Sanity and Smoke are types of software testing. Sanity tests a specific functionality while Smoke tests the entire system.
Sanity testing is a narrow and deep testing approach while Smoke testing is a broad and shallow testing approach.
Sanity testing is performed after a small change in code while Smoke testing is performed after a major change in code.
Sanity testing is used to check if the critical functionalities are ...
- Q3. Difference between retesting and regression
- Ans.
Retesting is testing the same functionality again after fixing the defects. Regression is testing the unchanged functionality after making changes.
Retesting is done to ensure that the defects have been fixed and the functionality is working as expected.
Regression is done to ensure that the changes made to the software have not affected the existing functionality.
Retesting is a subset of regression testing.
Retesting is ...
- Q4. Bug life cycle
Interview Preparation Tips
Skills evaluated in this interview
Senior Software Engineer Interview Questions & Answers
Talentica Software
Anonymous
posted on 29 Nov 2024
I applied via Naukri.com and was interviewed in Oct 2024. There was 1 interview round.
Duration was 1 hour, Topics covered were DSA, Concurrency in golang, Databse questions
Interview Preparation Tips
They totally select you on the basis of aptitude only
(1 Question)
- Q1. It is also based on aptitude
Interview Preparation Tips
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