Design a notification service for email, SMS, and push — PhonePe interview
Reported in PhonePe interview loops. System design problem testing reliability, fan-out, and channel abstraction.
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Reported in PhonePe interview loops. System design problem testing reliability, fan-out, and channel abstraction.
Reported in PhonePe interview loops. System design interview around indexing, ranking, and freshness.
Reported in PhonePe interview loops. Critical design topic focused on correctness under retries and failures.
Reported in PhonePe interview loops. Observability architecture interview question for platform roles.
Reported in PhonePe interview loops. System design exercise emphasizing control plane and low-latency reads.
Reported in PhonePe interview loops. System design topic around edge caching, invalidation, and latency.
Reported in PhonePe interview loops. Object model design for template rendering and channel-specific formatting.
Reported in PhonePe interview loops. Senior system design combining sharding, eviction, consistency, and observability.
Reported in PhonePe interview loops. Mid-to-senior design spanning WebSockets, message storage, and presence.
Reported in PhonePe interview loops. Caching patterns for system design and backend performance tuning.
Reported in PhonePe interview loops. Infrastructure design question covering L4/L7 balancers and health checks.