// TOPIC
#queues
2 articles
◆◆IntermediateStripeSvix
01Design a Webhook Delivery System
Design a webhook delivery system: fan-out queues, retries with backoff and jitter, HMAC signing, circuit breakers, and dead-letter redelivery at Stripe scale.
#interview#messaging#queues
18 min◆◆IntermediateLeetCodeHackerRank
02Design an Online Code Judge (LeetCode)
Run untrusted user code safely against test cases at scale. Sandboxed execution, a judge worker queue, resource limits, and contest-time spikes.
#interview#sandboxing#queues
25 min