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PayPal Software Engineer2 Interview Questions, Process, and Tips
Top PayPal Software Engineer2 Interview Questions and Answers
- Q1. Can you describe the system design for the checkout feature on Amazon, including the request body, API calls, load balancing, database caching, and content delivery netwo ...read more
- Q2. reverse a linked list in k sizes
- Q3. Low level design for Car rental system
PayPal Software Engineer2 Interview Experiences
5 interviews found
Anonymous
Selected
I was interviewed in Jan 2025.
One question related to object-oriented programming and one question related to data structures and algorithms.
(1 Question)
- Q1. DSA - 2 questions need to solve in 45 min with optimal solution one based on recursion and another is based on 2 pointers.
(1 Question)
- Q1. Can you describe the system design for the checkout feature on Amazon, including the request body, API calls, load balancing, database caching, and content delivery network (CDN) considerations?
- Ans.
The system design for the checkout feature on Amazon involves request body, API calls, load balancing, database caching, and CDN considerations.
Request body includes user's selected items, shipping address, payment details, etc.
API calls are made to process payment, update inventory, and send confirmation emails.
Load balancing ensures even distribution of traffic across multiple servers to handle checkout requests effi...
(1 Question)
- Q1. Questions regarding your resume, previous company project work, and behavioral topics.
Selected
I applied via LinkedIn
Question base on Tree data structures
(2 Questions)
- Q1. Explain GC collector in Java
- Ans.
GC collector in Java is responsible for managing memory by reclaiming unused objects and freeing up memory space.
GC stands for Garbage Collector
Automatically manages memory by reclaiming unused objects
Prevents memory leaks and optimizes memory usage
Different types of GC algorithms like Serial, Parallel, CMS, G1
Example: System.gc() can be used to suggest garbage collection
- Q2. Dynamic programming algorithm question
(1 Question)
- Q1. Low level design for Car rental system
- Ans.
Design a car rental system at a low level
Use object-oriented programming to model cars, customers, rentals, etc.
Implement a database to store information about available cars, customer bookings, etc.
Include features like booking, returning, and searching for cars
Consider implementing a pricing system based on factors like car type, duration of rental, etc.
(1 Question)
- Q1. Salary discussion
Skills evaluated in this interview
Selected
I applied via Instahyre and was interviewed in Sep 2023. There were 4 interview rounds.
Hacker rank coding test
(2 Questions)
- Q1. Reverse a linked list in k sizes
- Ans.
Reverse a linked list in k sizes
Break the linked list into groups of size k
Reverse each group individually
Connect the reversed groups back together
- Q2. Unbounded knapsack
(1 Question)
- Q1. Java theory questions
(1 Question)
- Q1. Manegerial round, managerial questions
Interview Preparation Tips
Skills evaluated in this interview
What people are saying about PayPal
Selected
I applied via Instahyre and was interviewed before Feb 2023. There were 5 interview rounds.
There was MCQs with two coding questions. one easy and one medium.
(1 Question)
- Q1. It was a coding round where questions related tree traversing was asked
(1 Question)
- Q1. In depth Java questions containing multithreading, garbage collections etc.
(1 Question)
- Q1. System design round. Design LLD for Flipkart shopping cart
(1 Question)
- Q1. Discussion with Manager with some basic HR questions.
PayPal interview questions for designations
I applied via Referral and was interviewed in Dec 2021. There were 4 interview rounds.
LC Medium Hackerearth Test
(1 Question)
- Q1. Linked List & Binary Tree Medium Hard Problems
(1 Question)
- Q1. System Design Discussion focused on DB Design, OOPs, Scalability
(1 Question)
- Q1. Hiring Manager Round. Mostly resume walkthrough & followed by a System Design problem focused on Scalability
Interview Preparation Tips
Interview questions from similar companies
Muneer khan
Interview Preparation Tips
Experience: 1. Find the sum of all non repeating element.
2. Find the next smallest number of a given number by swapping the digits of the number.
Duration: 40 minutes
Total Questions: 2
Round: Technical Interview
Experience: 1.tell me about yourself.
2. Explain the previous round questions.
3. I was asked some question from their presentation and from my resume
Round: Technical Interview
Experience: 1. What is trie, write code to create and implement a dictionary.
2. Write code to create function getWord(string str) ,which take string as input and return list of all the words starting with string present in our dictionary .eg str=”mo” so it should return everything starting with “mo”
3. What is final, finally, finalize in java.
4. What is third normal form.
5. What is denormalization.
6. What is left outer join, right outer join, inner join etc.
7. What is virtual and pure virtual function in c++.
8. What is copy constructor.
9. what is b-tree
10 .diff b/w get post
11. http and https
Skills: Mysql, Database, Java Programming, OOPS Using C++, Algorithms And Data Structures
College Name: NIT Delhi
Mohit Gupta
I was interviewed in Dec 2017.
Interview Questionnaire
3 Questions
- Q1. You need to find the maximum water pond formed in bw the building
- Ans.
To find the maximum water pond formed between buildings.
Identify the lowest point between the buildings.
Calculate the area of the pond using the distance between the buildings and the depth of the pond.
Consider any obstacles or uneven ground that may affect the pond's shape.
Use a surveying tool or satellite imagery to get accurate measurements.
Take into account any drainage systems or natural water flow that may affect
- Q2. On mars you have to place n robots and they are connected via GPS. now you need to move each robot such that the whole mars is visited and each robot visit the minimum area(meaning no overlapping of area)...
- Q3. Design dictionary using trie....having operations of inserting a word, updating and deleting (needed to write full running code)
- Ans.
Design a dictionary using trie with insert, update and delete operations.
Implement a Trie data structure with nodes containing a character and a boolean flag to indicate end of word
For insert operation, traverse the trie and add nodes for each character in the word
For update operation, delete the existing word and insert the updated word
For delete operation, mark the end of word flag as false and delete the node if it ...
Interview Preparation Tips
Experience: Simple questions
Duration: 1 hour 10 minutes
Total Questions: 3
College Name: IIT Guwahati
Skills evaluated in this interview
(1 Question)
- Q1. Diff between react and jQuery
- Ans.
React is a modern JavaScript library for building user interfaces, while jQuery is a fast and concise JavaScript library for DOM manipulation.
React is component-based, promoting reusability and modularity.
React uses a virtual DOM for efficient updates, while jQuery directly manipulates the DOM.
React is declarative, making it easier to reason about the UI, while jQuery is imperative.
React is typically used for single-pa...
Selected
I applied via Campus Placement and was interviewed before Nov 2023. There was 1 interview round.
1hr aptitude + coding
(1 Question)
- Q1. Normal java and sql question
(1 Question)
- Q1. Sping boot and microservice
Interview Preparation Tips
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PayPal Software Engineer2 Interview Process
based on 5 interviews
4 Interview rounds
- Coding Test Round
- Technical Round - 1
- Technical Round - 2
- Technical Round - 3
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