backend system design Interview Questions
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Snapchat System Design Interview: Price Tracking & Alerts
Prepare for Snapchat backend interviews: design a scalable price-tracking and alerting system. Learn architecture, trade-offs, scraping, scheduling, and notifications.
Snowflake System Design: Versioned Key-Value Store
Design a global versioned key-value store with time-travel reads, replication and configurable consistency. Architecture, tradeoffs and interview follow-ups.
Stripe System Design: Scalable Real-Time Logs & Metrics
Design a Stripe-style scalable system for real-time logs and metrics ingestion, processing and storage. Learn system flow, trade-offs, and interview follow-ups.
System Design: Hybrid Media Storage for Mobile Apps
Design a hybrid media storage system for mobile apps: combine on-device and cloud object storage, sync, caching, and offline access. Read design approach & follow-ups.
Uber System Design Interview: Design Uber Eats Search
Prepare for Uber backend system design: build a geo-aware, low-latency Uber Eats search system. Read architecture, indexing, and scaling tips.
Visa System Design: Scalable A/B Experiment Service
Build a scalable A/B experiment service for Visa: deterministic variant assignment, admin overrides, multi-tenant data model, logging, and rollout APIs. Guide
WalmartLabs System Design: Multi-Region Notification Service
Design a multi-region notification service for WalmartLabs — high availability, low latency. Learn architecture, failover, routing, and monitoring to prep.
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