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Spinny SDE-2 Interview Questions and Answers
Spinny SDE-2 Interview Experiences
1 interview found
I applied via LinkedIn and was interviewed in Mar 2023. There were 5 interview rounds.
3 Coding question, mix of easy medium and hard questions. Online proctored on Hackerrank
(1 Question)
- Q1. 1. A variation on 2 sum problem (based on number of digits) 2. Average of node value and its subtree (Count no of nodes where average of the subtree and the node itself equals to the node value). It was t...
- Ans.
2 sum problem variation based on number of digits and finding nodes where average of subtree and node value equals node value.
For the 2 sum problem variation, use a hash table to store the digits and their indices.
For the subtree problem, use a recursive function to traverse the tree and calculate the average.
Examples: [1, 2, 3, 4, 5] with target 7 and tree with root 5, left child 4, right child 6, should return 2 and
(1 Question)
- Q1. I was asked an LLD question about a system to manage and track cars and their maintenance. Also some questions based on run time polymorphism and SQL
(1 Question)
- Q1. Discussion with the CTO. You get to explain about the work you did and some clarifying questions.
Interview Preparation Tips
Skills evaluated in this interview
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Interview questions from similar companies
I applied via Job Portal and was interviewed in Jun 2024. There were 3 interview rounds.
I don't remember the ques
(1 Question)
- Q1. System design of notification system
- Ans.
Design a scalable notification system for sending real-time alerts to users.
Use a distributed system to handle high volume of notifications.
Implement message queues for asynchronous processing.
Utilize push notifications for mobile devices.
Include a user preference system for customizing notification settings.
Consider implementing a notification history feature for users to view past alerts.
(1 Question)
- Q1. System design of google pay
- Ans.
Google Pay is a digital wallet platform and online payment system developed by Google.
Google Pay uses secure tokenization to protect user's payment information.
It integrates with various payment methods like credit/debit cards, UPI, and NFC.
The system handles transactions, user authentication, and merchant integrations.
Google Pay leverages Google's infrastructure for scalability and reliability.
It provides features lik
Interview Preparation Tips
Skills evaluated in this interview
I applied via Referral and was interviewed in Mar 2024. There were 2 interview rounds.
It was a leetcode medium, related BFS,
(2 Questions)
- Q1. Basic of android like fragment activity communication
- Q2. Why ViewModel is necessary, how does it save state
- Ans.
ViewModel is necessary in Android development to save and manage UI-related data during configuration changes.
ViewModel helps in retaining data during configuration changes like screen rotations
It separates UI-related data from UI controller (Activity/Fragment)
ViewModel survives configuration changes and can be shared between fragments
It helps in maintaining data consistency and prevents memory leaks
ViewModel is lifecy...
Skills evaluated in this interview
I was interviewed in May 2022.
(1 Question)
Round duration - 60 Minutes
Round difficulty - Medium
Timing was around 11 am
Environment was great, it intrigued me to join Blinkit.
- Q1.
Pair Sum Problem Statement
You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to find and return a list of all pairs of elements where each sum of a pair equals 'S'.
Note:
...
(3 Questions)
Round duration - 60 Minutes
Round difficulty - Medium
Timing 11 am
Interviewer had good knowledge
- Q1. Can you explain the activity lifecycle in Android development?
- Q2. Can you explain the fragment lifecycle in Android development?
- Q3. Can you explain the MVVM pattern?
Round duration - 30 Minutes
Round difficulty - Easy
This round is cultural fit round
Interview Preparation Tips
Tip 1 : Prepare easy/medium level data structures questions in leetcode. Solve atleast 50 questions of multiple types like strings, arrays, tree, linked list, graph
Tip 2 : Go through Android basic questions like lifecycle, live data, MVC/mvp/ mvvm pattern, retrofit, data binding
Tip 3 : Atleast solve 5 design questions like how to build Instagram, analytics library, crashlytics
Tip 1 : be concise
Tip 2 : write only those keywords which you have in depth knowledge
Skills evaluated in this interview
I was interviewed in May 2022.
(1 Question)
- Q1. Data Structures and Algorithms
(1 Question)
- Q1. Machine Coding round
Interview Preparation Tips
Sdet Automation Test Engineer Interview Questions & Answers
Paisabazaar.com
Anonymous
posted on 2 Dec 2024
I applied via LinkedIn and was interviewed in Nov 2024. There were 2 interview rounds.
(2 Questions)
- Q1. What is clousers
- Q2. What is promises
(2 Questions)
- Q1. Explain javascript architecture
- Q2. What is mvvm architecture
Suman S
There were 2 questions in coding one with array and in string releated
(3 Questions)
- Q1. About Selenium questions
- Q2. Other basic questions related to testing
- Q3. Management related question
(2 Questions)
- Q1. One program to solve
- Q2. Other questions in selenium
I applied via LinkedIn and was interviewed in Aug 2024. There was 1 interview round.
Java interview question,coding problems,
(1 Question)
- Q1. Write a program on stack operations
- Ans.
A program for stack operations
Create a stack using an array or linked list
Implement push() and pop() functions
Check for stack overflow and underflow
Implement peek() function to view top element
Example: stack.push(5), stack.pop(), stack.peek()
Interview Preparation Tips
Interview Questionnaire
6 Questions
- Q1. Same DS, Algo questions and resume based interview.
- Q2. Asked some advanced Java questions since I had done a project in J2EE
- Q3. Your previous projects, interests
- Ans.
I have worked on projects involving test automation, performance testing, and API testing. I am also interested in exploring new testing tools and techniques.
Test automation projects using Selenium and Cucumber
Performance testing using JMeter for load testing
API testing using Postman and RestAssured
Interest in exploring new testing tools and techniques
- Q4. Questions about resume
- Q5. Why Snapdeal
- Ans.
Snapdeal is a leading e-commerce platform in India, offering a wide range of products and services.
Snapdeal has a vast product catalog, providing customers with a wide variety of options.
The platform offers competitive prices and frequent discounts, making it attractive for customers.
Snapdeal has a user-friendly interface and a seamless shopping experience.
The company has a strong logistics network, ensuring timely del...
- Q6. Puzzles and SQL query questions
Interview Preparation Tips
Experience: a) Aptitude MCQ (50 questions in 12 minutes), b) Quant + 2 Coding questions (Hackerrank) (45 minutes), c) C/Java MCQ* Aptitude MCQ consists of very easy questions, speed is all what matters here. Attempt all questions (No negative marking).* Quant questions were a bit difficult and took time to solve. For some questions, we had to deduce the answer by checking all the options. Hackerrank coding questions were average.
Line intersection problem and overlapping paintings problem.
” It is important to solve atleast 1 coding problem (3 test cases atleast), to get into the next round. ”
Get familiar with Hackerrank before your interview.*C/Java MCQ questions were average. You had to choose either C or Java. Basic output questions.
Duration: 60 minutes
Total Questions: 50
Round: Technical Interview
Experience: Majority of the students were eliminated after the first round. This round consisted of questions from DS, Algo, OS and Networks. linked list, stack, queue and tree questions were their favorites. Refer geeksforgeeks for questions on these topics (LL reversal, identical trees etc). Also, the interviewer would ask you to write the code for questions on LL, trees etc., so be prepared for it. I was also asked about deadlock, process synchronization, TCP/IP.If you are unable to solve a problem, that is perfectly all right. Don’t give up. Tell the interviewer what you are thinking. The interviewer would help you to reach the final solution.
Round: Technical Interview
Tips: Please don’t write non-sense in your resume,If you have something in your resume, be prepared to back it up.Make sure you know everything about your previous projects.
Round: Technical Interview
Experience: SQL questions were difficult. Study nested queries, joins etc. Again, don’t quit. Try to reach out a solution, interact with the interviewer. They want to know your thought process. I wasn’t able to give the correct/optimal solution of queries and the puzzle, but i was able to dig deep and give a non-optimal solution. Practice popular puzzles.Round 2,3,4 may take upto 1.5 hrs each depending upon the interviewers and candidates. They would know almost everything about you after these 3 rounds.
College Name: NA
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