Design a notification service for email, SMS, and push — PayPal interview
Reported in PayPal interview loops. System design problem testing reliability, fan-out, and channel abstraction.
Interview atlas
Explore 105 curated Q&As across 1 employers — filter by career stage, round, or company.
Filtered PayPal ×
Reported in PayPal interview loops. System design problem testing reliability, fan-out, and channel abstraction.
Reported in PayPal interview loops. Design question around large files, durability, and secure uploads.
Reported in PayPal interview loops. System design interview around indexing, ranking, and freshness.
Reported in PayPal interview loops. Critical design topic focused on correctness under retries and failures.
Reported in PayPal interview loops. Geo-spatial system design covering matching latency and surge logic.
Reported in PayPal interview loops. Observability architecture interview question for platform roles.
Reported in PayPal interview loops. System design exercise emphasizing control plane and low-latency reads.
Reported in PayPal interview loops. Architecture discussion around tenant security and scaling models.
Reported in PayPal interview loops. System design topic around edge caching, invalidation, and latency.
Reported in PayPal interview loops. Event delivery design question focusing on retries and idempotency.
Reported in PayPal interview loops. Behavioral question assessing ownership and stakeholder communication.
Reported in PayPal interview loops. Behavioral STAR prompt for respectful disagreement and influence.
Reported in PayPal interview loops. HR question testing judgment under pressure and planning discipline.
Reported in PayPal interview loops. Behavioral prompt for coachability and growth mindset.
Reported in PayPal interview loops. Behavioral question on working with product, design, and support teams.