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PayPal Interview Questions, Process, and Tips

Updated 2 Mar 2025

Top PayPal Interview Questions and Answers

  • Q1. Cycle Detection in a Singly Linked List Determine if a given singly linked list of integers forms a cycle or not. A cycle in a linked list occurs when a node's next poin ...read more
    asked in Software Engineer interview
  • Q2. Maximum Path Sum in a Matrix Given an N*M matrix filled with integer numbers, determine the maximum sum that can be obtained from a path starting from any cell in the fi ...read more
    asked in Software Developer interview
  • Q3. Sum Queries in a Sorted Array Given two arrays arr and queries , your task is to determine the sum of all elements in arr that are less than or equal to each element in ...read more
    asked in SDE-2 interview
View all 177 questions

PayPal Interview Experiences

Popular Designations

207 interviews found

I applied via Referral

Interview Questionnaire 

13 Questions

  • Q1. Which is my dream company?
  • Q2. What is my biggest achievement till date?
  • Ans. 

    My biggest achievement till date is successfully leading a team to develop and launch a new software product ahead of schedule.

    • Led a team of developers to create a new software product

    • Completed the project ahead of schedule

    • Received positive feedback from clients and stakeholders

  • Answered by AI
  • Q3. How would I handle conflicts with my team members?
  • Ans. 

    I would address conflicts directly and respectfully, seeking to understand the root cause and find a mutually beneficial solution.

    • Listen actively to understand the other person's perspective

    • Communicate clearly and respectfully

    • Identify the root cause of the conflict

    • Brainstorm potential solutions together

    • Be willing to compromise and find a mutually beneficial solution

  • Answered by AI
  • Q4. I have saved money from a year and bought my dream bike. It is the last round of Paypal interview today. I am on my way on the bike and it breaks down in a no parking zone. Suggest a win­win situation so...
  • Q5. What is success according to me?
  • Ans. 

    Success is achieving personal goals, feeling fulfilled, and making a positive impact.

    • Success is subjective and can vary from person to person.

    • It involves setting and achieving goals, both short-term and long-term.

    • Feeling fulfilled and content with one's accomplishments is a key aspect of success.

    • Making a positive impact on others or the world can also be a measure of success.

    • Success is not just about material wealth or...

  • Answered by AI
  • Q6. I was asked to write a code snippet from my project
  • Q7. Program to implement Dijkstra’s algorithm
  • Ans. 

    Dijkstra's algorithm finds the shortest path between nodes in a graph.

    • Create a graph with nodes and edges

    • Assign a tentative distance to each node

    • Set the initial node as current and mark it visited

    • For each neighbor of the current node, calculate the tentative distance

    • If the tentative distance is less than the current distance, update the distance

    • Mark the current node as visited and select the unvisited node with the sma...

  • Answered by AI
  • Q8. Program to reverse a singly linked list
  • Ans. 

    A program to reverse a singly linked list

    • Create a new empty linked list

    • Traverse the original linked list and insert each node at the beginning of the new list

    • Return the new list

  • Answered by AI
  • Q9. Which algorithm would I use to sort a linked list and why? Subsequently, I was asked to explain the logic of merge sort
  • Q10. Suggest as many methods as possible for finding the nth largest element in an unsorted linked list
  • Ans. 

    Methods to find nth largest element in an unsorted linked list

    • Traverse the linked list and store elements in an array, sort the array and return the nth largest element

    • Use quickselect algorithm to find the nth largest element in O(n) time complexity

    • Implement a max heap and extract the nth largest element

    • Divide the linked list into smaller sublists and recursively find the nth largest element

    • Use merge sort to sort the l

  • Answered by AI
  • Q11. How would I explain the concept of prime number to an illiterate?
  • Ans. 

    A prime number is a number that is divisible only by 1 and itself.

    • A prime number has exactly two factors: 1 and itself.

    • Prime numbers cannot be divided evenly by any other number.

    • Examples of prime numbers include 2, 3, 5, 7, 11, 13, 17, etc.

  • Answered by AI
  • Q12. Give a few test cases for a bank transaction
  • Ans. 

    Test cases for a bank transaction

    • Transaction amount within account balance limit

    • Transaction amount exceeds account balance limit

    • Transaction to a valid account number

    • Transaction to an invalid account number

    • Transaction with correct transaction code

    • Transaction with incorrect transaction code

    • Transaction during bank working hours

    • Transaction outside bank working hours

  • Answered by AI
  • Q13. Design classes for educational institutions in a city
  • Ans. 

    Design classes for educational institutions in a city

    • Identify the main entities: schools, students, teachers, courses

    • Create a School class with attributes like name, address, and a list of students and teachers

    • Create a Student class with attributes like name, age, and a list of courses

    • Create a Teacher class with attributes like name, specialization, and a list of courses

    • Create a Course class with attributes like name, ...

  • Answered by AI

Interview Preparation Tips

Skills:
College Name: NA

Skills evaluated in this interview

Top PayPal Software Engineer Interview Questions and Answers

Q1. Cycle Detection in a Singly Linked List Determine if a given singly linked list of integers forms a cycle or not. A cycle in a linked list occurs when a node's next points back to a previous node in the list. Thus, the list does not have a ... read more
View answer (1)

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (196)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I was interviewed in Jan 2025.

Round 1 - Coding Test 

One question related to object-oriented programming and one question related to data structures and algorithms.

Round 2 - Technical 

(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.
Round 3 - Technical 

(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...

  • Answered by AI
Round 4 - Behavioral 

(1 Question)

  • Q1. Questions regarding your resume, previous company project work, and behavioral topics.

Software Engineer2 Interview Questions asked at other Companies

Q1. - Given a water -tight orientable 2-manifold, how to find if a point is inside or outside its volume? - Given a bunch of points with their coordinates, how to merge closeby points together? - How to determine if the normals of the two trian... read more
View answer (1)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Company Website and was interviewed in Oct 2024. There were 2 interview rounds.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Knn algorithm using python
  • Ans. 

    KNN algorithm is a simple and effective machine learning algorithm for classification and regression tasks.

    • KNN stands for K-Nearest Neighbors.

    • It is a non-parametric, lazy learning algorithm.

    • Works by finding the K closest training examples in feature space to a given input data point.

    • Classification: Assign the most common class among the K nearest neighbors.

    • Regression: Take the average of the K nearest neighbors' target...

  • Answered by AI
  • Q2. Some LC problem on suffix and prefix
Round 2 - One-on-one 

(2 Questions)

  • Q1. Case study on imbalanced dataset
  • Q2. Evaluation metrics

Skills evaluated in this interview

Senior Machine Learning Engineer Interview Questions asked at other Companies

Q1. Data formats in big Data, why each format.
View answer (1)
Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
-
Result
No response

I applied via Referral and was interviewed in Nov 2024. There were 3 interview rounds.

Round 1 - Coding Test 

Data structures and algo. 2 ques were asked in hackerrank

Round 2 - One-on-one 

(1 Question)

  • Q1. Questions related to System design
Round 3 - One-on-one 

(1 Question)

  • Q1. Basic question related to Spring and Java

Senior Software Engineer Interview Questions asked at other Companies

Q1. K Largest Elements Problem Statement You are given an integer k and an array of integers that contain numbers in random order. Write a program to find the k largest numbers from the given array. You need to save them in an array and return ... read more
View answer (1)

PayPal interview questions for popular designations

 Software Engineer

 (24)

 Data Scientist

 (11)

 Software Developer

 (8)

 Senior Software Engineer

 (8)

 Risk Analyst

 (5)

 Data Analyst

 (5)

 Software Engineer2

 (5)

 SDE-2

 (4)

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via LinkedIn

Round 1 - Coding Test 

Question base on Tree data structures

Round 2 - Technical 

(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

  • Answered by AI
  • Q2. Dynamic programming algorithm question
Round 3 - Technical 

(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.

  • Answered by AI
Round 4 - HR 

(1 Question)

  • Q1. Salary discussion

Skills evaluated in this interview

Software Engineer2 Interview Questions asked at other Companies

Q1. - Given a water -tight orientable 2-manifold, how to find if a point is inside or outside its volume? - Given a bunch of points with their coordinates, how to merge closeby points together? - How to determine if the normals of the two trian... read more
View answer (1)

Get interview-ready with Top PayPal Interview Questions

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Recruitment Consulltant

Round 1 - Coding Test 

Ask about how to implement DQ

Jobs at PayPal

View all
Interview experience
3
Average
Difficulty level
Easy
Process Duration
4-6 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed in Oct 2024. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Introduction about yourself
  • Q2. Basic golang questions
Round 2 - Coding Test 

Coding questions on DSA

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well on Golang and they ask only on basic level proficiency. But interviewer is inpatient and unable to listen till we complete our topic.

Golang Developer Interview Questions asked at other Companies

Q1. can we return difference data type and how ,what architeture you worked in your project,does go have oops concepts
View answer (1)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via Recruitment Consulltant and was interviewed in Jun 2024. There were 3 interview rounds.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Basic Java related questions, OOPs concepts
  • Q2. Write code for encryption of the code
  • Ans. 

    Encryption of code involves converting plaintext into ciphertext to secure data.

    • Choose a strong encryption algorithm like AES or RSA

    • Generate a key for encryption

    • Encrypt the plaintext using the key and algorithm

    • Store or transmit the ciphertext securely

  • Answered by AI
Round 2 - One-on-one 

(2 Questions)

  • Q1. Java Related questions, also some system design-related questions
  • Q2. Show the abstraction and write code for function overriding
  • Ans. 

    Abstraction is hiding the implementation details, function overriding is providing a new implementation for a method in a subclass.

    • Abstraction involves hiding the complex implementation details and showing only the necessary features to the user.

    • Function overriding occurs in inheritance when a subclass provides a specific implementation for a method that is already defined in its superclass.

    • Example: Parent class 'Anima...

  • Answered by AI
Round 3 - Behavioral 

(1 Question)

  • Q1. Normal questions related to projects and work ethics

Skills evaluated in this interview

Top PayPal Software Engineer Interview Questions and Answers

Q1. Cycle Detection in a Singly Linked List Determine if a given singly linked list of integers forms a cycle or not. A cycle in a linked list occurs when a node's next points back to a previous node in the list. Thus, the list does not have a ... read more
View answer (1)

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (196)
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed in Nov 2024. There were 3 interview rounds.

Round 1 - Coding Test 

Coding test was on HackerRank

Round 2 - Technical 

(1 Question)

  • Q1. Easy-Medium DSA Questions
Round 3 - HR 

(1 Question)

  • Q1. Asked from my resume

Software Engineer Intern Trainee Interview Questions asked at other Companies

Q1. find average salary of employees from given table for each designation where employee age greater than 30
View answer (1)
Interview experience
4
Good
Difficulty level
Easy
Process Duration
2-4 weeks
Result
No response

I applied via Approached by Company and was interviewed in Aug 2024. There were 2 interview rounds.

Round 1 - Coding Test 

Javascript questions on Hacker rank with pair programming

Round 2 - Technical 

(2 Questions)

  • Q1. Adv javscript questions
  • Q2. React code writing in hacker rank
  • Ans. 

    The question involves writing React code in HackerRank.

    • Understand the requirements of the task before starting to write the code.

    • Use React components to create a user interface.

    • Handle state management and user interactions using React hooks.

    • Write clean and efficient code to solve the problem.

    • Test the code thoroughly before submitting.

  • Answered by AI

Staff Software Engineer Interview Questions asked at other Companies

Q1. How will you open a file whos size is double that of RAM on your system.?
View answer (1)
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
-
Result
-

I was interviewed in Oct 2024.

Round 1 - Technical 

(2 Questions)

  • Q1. Design Rate Limiter LLD
  • Q2. What are SOLID Principles? Springboot questions

Interview Preparation Tips

Topics to prepare for PayPal Senior Software Engineer interview:
  • LLD

Senior Software Engineer Interview Questions asked at other Companies

Q1. K Largest Elements Problem Statement You are given an integer k and an array of integers that contain numbers in random order. Write a program to find the k largest numbers from the given array. You need to save them in an array and return ... read more
View answer (1)

PayPal Interview FAQs

How many rounds are there in PayPal interview?
PayPal interview process usually has 2-3 rounds. The most common rounds in the PayPal interview process are Technical, Coding Test and One-on-one Round.
How to prepare for PayPal interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at PayPal. The most common topics and skills that interviewers at PayPal expect are Financial Services, SQL, Python, Wellness and Analytics.
What are the top questions asked in PayPal interview?

Some of the top questions asked at the PayPal interview -

  1. Input a file. Select first 3 lines of the file. Select the longest line and cou...read more
  2. But amazon can do the search in O(n). Why it has to go for O(nk)? For data stru...read more
  3. When you search for a particular product in amazon, it displays some of the sea...read more
How long is the PayPal interview process?

The duration of PayPal interview process can vary, but typically it takes about less than 2 weeks to complete.

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PayPal Interview Process

based on 139 interviews

Interview experience

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PayPal Reviews and Ratings

based on 919 reviews

3.9/5

Rating in categories

3.5

Skill development

4.0

Work-life balance

4.0

Salary

3.1

Job security

3.9

Company culture

3.1

Promotions

3.5

Work satisfaction

Explore 919 Reviews and Ratings
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