Paypal

Paypal Software Engineer Interview Questions

191+ questions from real Paypal Software Engineer interviews, reported by candidates.

191
Questions
6
Round Types
8
Topic Areas
2021-2026
Year Range

Round Types

OA 78 Phone Screen 33 Coding 31 System Design 14 Recruiter 8 Technical 2

Top Topics

Questions

1) https://gist.github.com/andersonmo/7dfe346ae2b24cfbc6783219e08caded 2) Given a Binary String. Replace all "01" to "10" until it\'s no more possible. In 1 second you replace all "01" to "10" in next second keep repeating...

Paypal OA

OA 2021

Could not copy the questions, so this is a summary version from memory and my understanding, solutions and further explanations are very welcome, 3 questions in 60 mins. 1. Reshelving Packets...

I recently completed a 4-month-long interview process with PayPal, and the timeline has been quite unusual. I’m looking for some insight—am I being ghosted, or is this typical for their process? The T

I had an online assessment (OA) on Karat last week. Do an API design question in the first 15 minutes or so: We are designing the public HTTP API for a web service that helps corporate social media ma

**Candidate Profile** * **Role:** Senior Software Engineer – Frontend at PayPal * **Experience:** 5.9 Years (Service-based background) **Interview Process** The recruitment process spanned two months

**Role:** Senior Software Engineer – Python at PayPal **Online Assessment** Conducted on HackerRank, the assessment consisted of four questions covering SQL, Data Structures and Algorithms (DSA), and

> Applied through PayPal’s official career portal. ### **Round 0: Online Assessment** - Received a HackerRank link with 2–3 DSA-focused problems. - Solved all the problems. ### **Round 1: DS/Algo** -

Role Specialization That was an easy/medium Object Oriented design problem, where I had to complete and run the code: add data structures at init, add tests, add logging. Completing did not...

Paypal SDE Interview

Phone Screen 2025

Background- 3+ YoE Round 1: technical Interview (in Golang)- Resume based questions were asked, based on the tech stack I had used and explanation of the tech stack I use in my...

Hello, I applied for Full-Stack Software Engineer position @ PayPal, job tagged as entry/mid level at San Jose location. Got reached out by the recruiter first and had a call discussing...

CSE B.Tech from Tier-1 Institution 3.5 years of experience in a product-based company. Application Process and screening: I might have applied through PayPal portal(Not remember exactly). I received recruiter call and had discussion....

Round 1: HackerRank OA 2 questions, don\'t remember exact questions since it happened long back but it was on Arrays & Strings (Medium). Round 2: System Design Design Email system which should be...

Hi guys recently I have given paypal interview and got selected. I have applied on their career portal and got the call from recruiter. Below are the rounds- 1- Online assessment on hackerrank consist

Hi, I recently gave karat interview for paypal. The interviewer started rapid fire round of questions. first 10-15 mins - system design questions. easy based on latency, factors to calculate the numbe

**Question** Design a notification service. While solving the problem, for idempotency handling, I have used even-driven architecture. The solution that I gave is publishing the messages in Kafka, and

PayPal asks LLD question in their role specialization round many times. So, if a role specialization round is scheduled then confirm with recruiter whether this will be a LLD round. There can be multi

Hello everyone! I am an undergraduate student from Rajasthan, India, and I recently had the opportunity to interview with PayPal. The process consisted of multiple rounds ...

Have you set your sights on a rewarding career at PayPal, the global leader in online payments? Well, buckle up, because landing that dream job requires navigating a serie...

Round 1(Coding Round): This round basically had 2 coding questions. One is a dynamic programming based question and the second question is an implementation based question...

Each round happens on a knock-out basis.Round 1 : (Hackerearth based test) [Time : 1h15m]This round had 2 questions.Given an array of size N and K queries, find the number...

What Paypal Looks for in Software Engineer Interviews

Paypal Software Engineer interviews are calibrated against the level and scope expected of the role. Across 191+ verified candidate reports on LeakCode, the consistent signals interviewers look for: clear problem decomposition before coding, explicit complexity reasoning, structured handling of edge cases, and the ability to articulate trade-offs between two reasonable approaches.

The discriminator between candidates who advance and candidates who do not is rarely the final correctness of the solution. It is the path to the solution: did you ask clarifying questions, did you state your approach before coding, did you handle edge cases without prompting, and did you communicate your reasoning throughout. Reports tagged "no hire" frequently cite a working solution with poor communication; reports tagged "strong hire" cite clear thinking even when the final solution was incomplete.

How To Use This Question Set

Real interview reports are a calibration tool, not a memorization target. Companies update their question pools every 2-4 months; memorizing exact problems risks misleading you when the interviewer uses a variant. The high-leverage use: identify the patterns that appear repeatedly in Paypal Software Engineer reports, practice those patterns on similar (not identical) problems, and use the reports to understand the interviewer's typical follow-up depth.

Filter the questions below by round type, difficulty, and recency. Focus first on reports from the past 6-12 months; older reports may reference questions that have since rotated out of Paypal's pool. Reports tagged with quantified difficulty (e.g., "medium-hard") are higher-signal than reports without difficulty tags.

Round-by-Round Expectations

Paypal Software Engineer loops typically span 4-6 rounds across phone screens and on-site or virtual on-site interviews. The structure varies by company: some run 1 recruiter screen + 1 technical phone + 3-4 on-site rounds; others run 1 recruiter screen + 1 OA + 4-5 on-site rounds. The recruiter screen is logistics and culture-light; the technical phone screen is medium-difficulty coding; the on-site loop covers coding, system design (at L4+ levels), and behavioral rounds.

Each round is designed to surface a specific signal. Coding rounds: correctness, code quality, complexity reasoning, communication. System design rounds: requirements clarification, design judgment, operational thinking. Behavioral rounds: ownership scope, leadership, ambiguity tolerance, conflict navigation. Strong candidates explicitly hit each signal dimension out loud during the round; weak candidates focus only on solving the prompt.

Common Interview Mistakes At This Combination

Reports tagged "no hire" at Paypal Software Engineer commonly cite: jumping into code without clarifying requirements, coding silently for 10+ minutes without verbalizing approach, missing edge cases (empty input, single element, very large input, overflow), and producing a working solution that the candidate cannot explain or refactor when probed. Strong candidates avoid these patterns by following a consistent template: clarify, verbalize approach, code with narration, test with examples.

Behavioral and design rounds have their own failure modes. Behavioral: stories that use "we" instead of "I" diluting individual signal, stories with no quantified outcome, defensiveness when probed about failure. Design: not asking clarifying questions, not stating requirements out loud, designing for a single server when the prompt clearly implies scale, ignoring operational concerns (deployment, monitoring, rollback). These show up in roughly half of Paypal Software Engineer interview retrospectives on LeakCode.

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