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I applied via LinkedIn and was interviewed before May 2023. There were 4 interview rounds.
Track payment failure count and ensure fail safe measures
Implement a system to track payment failure count in real-time
Set up alerts for payment failures exceeding a certain threshold
Automate retries for failed payments with back-off strategies
Implement logging and monitoring to track payment failure trends
Integrate with payment gateway APIs to handle failures gracefully
Collecting requirements and designing
PayPal offers a range of products including payment processing, money transfers, and online shopping tools.
PayPal Checkout - allows customers to pay with PayPal, credit card, or debit card
PayPal Credit - offers financing options for purchases
Venmo - a mobile payment service owned by PayPal
PayPal Here - a mobile card reader for in-person payments
Xoom - a service for international money transfers
Top trending discussions
posted on 28 Dec 2024
I applied via LinkedIn and was interviewed in Jun 2024. There were 5 interview rounds.
Java coding questions, basic Java questions.
posted on 29 Jan 2025
I was interviewed in Dec 2024.
Basic Oops MCQ and aptitude and one da
posted on 9 Feb 2024
I was interviewed in Jan 2024.
I applied via Naukri.com and was interviewed in Aug 2024. There was 1 interview round.
DSA leetcode on hackerrank
I applied via LinkedIn and was interviewed in Apr 2024. There was 1 interview round.
Concurrency is the ability of a system to execute multiple tasks simultaneously.
Concurrency allows multiple tasks to run concurrently, improving performance and efficiency.
Concurrency can be achieved through multithreading or multiprocessing.
Example: A web server handling multiple requests simultaneously using multithreading.
ACID principles are a set of properties that guarantee database transactions are processed reliably.
Atomicity: Transactions are all or nothing. If one part of the transaction fails, the entire transaction is rolled back.
Consistency: Transactions bring the database from one valid state to another. All constraints are satisfied.
Isolation: Transactions are isolated from each other until they are completed.
Durability: Once...
posted on 11 Mar 2024
Interview experience
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Paytm
Razorpay
Visa
MasterCard