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PayPal Senior Software Engineer Interview Questions and Answers
PayPal Senior Software Engineer Interview Experiences
8 interviews found
Rajamani S
I applied via Referral and was interviewed in Nov 2024. There were 3 interview rounds.
Data structures and algo. 2 ques were asked in hackerrank
(1 Question)
- Q1. Questions related to System design
(1 Question)
- Q1. Basic question related to Spring and Java
Anonymous
I appeared for an interview in Oct 2024.
(2 Questions)
- Q1. Design Rate Limiter LLD
- Ans.
Design a rate limiter to control the number of requests a user can make in a given time frame.
Define rate limiting strategies: Fixed Window, Sliding Window, Token Bucket.
Use a data store (e.g., Redis) to track request counts per user.
Implement a reset mechanism to clear counts after the time window.
Consider edge cases like burst traffic and user authentication.
Example: Allow 100 requests per hour per user.
- Q2. What are SOLID Principles? Springboot questions
Interview Preparation Tips
- LLD
Logu Raja
Javascript Internals
React Fundamentals, Machine coding
(1 Question)
- Q1. Why do u want to work with us, Behavioral questions
Questions on alogirithm analysis
What people are saying about PayPal
I applied via Company Website and was interviewed in Mar 2024. There were 2 interview rounds.
Two sum related problem and advanced Priority Queue related questions
(1 Question)
- Q1. LLD and class diagram for Minesweeper game
- Ans.
LLD and class diagram for Minesweeper game
Create classes for Board, Cell, Game, Player
Use composition to represent relationships between classes
Implement methods for revealing cells, flagging cells, checking for game over
Consider using enums for cell states (covered, uncovered, flagged)
Use UML notation to draw class diagram
Selected
I applied via LinkedIn and was interviewed before Apr 2023. There were 5 interview rounds.
Hackerrank questions
(1 Question)
- Q1. Coding through screen sharing
(1 Question)
- Q1. Discussion on previous projects
(1 Question)
- Q1. Behavioural analysis
(1 Question)
- Q1. Behavioural questions and discussions
PayPal HR Interview Questions
Selected
I applied via Approached by Company and was interviewed before Mar 2023. There were 5 interview rounds.
Hacker rank test - 2 medium questions
(1 Question)
- Q1. Create and implement product management system with APIs and test case
- Ans.
Design and implement a product management system with APIs and test cases
Create a database schema to store product information
Develop RESTful APIs for CRUD operations on products
Implement authentication and authorization for API access
Write unit tests and integration tests for APIs
Use tools like Postman for API testing
(1 Question)
- Q1. Low level design - parking lot
(1 Question)
- Q1. High level design - streaming platform
(1 Question)
- Q1. Basic questions on past experiences, projects and scenario based questions on how will you handle this and that
Interview Preparation Tips
Skills evaluated in this interview
(1 Question)
- Q1. Hashing based questions using maps
Interview Preparation Tips
Interview questions from similar companies
Interview Preparation Tips
Tips: Have a good grasp of DS algo, java, etc.(Here CGPA doesn't matter)
General Tips: Do’s and Don’ts :
1. Be confident and to be confident prepare well.
2. Set the priority of your companies
3. Don't start preparation at end. Don't ignore the content of resume.
Be confident and start preparation as soon as possible.
College Name: IIT Kanpur
I applied via Job Portal
Interview Questionnaire
1 Question
- Q1. Question were related with java collection, stream, string, string pool, spring,jpa
Interview Preparation Tips
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Overall Interview Experience Rating
based on 8 interview experiences
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PayPal Senior Software Engineer Reviews and Ratings
based on 15 reviews
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