backend system design Interview Questions
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LinkedIn System Design: Scalable Monitoring (Metrics/Logs)
Design a LinkedIn-scale monitoring system for metrics, logs and traces. Explore architecture, ingestion, storage, querying, alerting, and scaling for interviews.
Lyft System Design: Distributed Wiki Archiving Bots
Practice a Lyft backend system design: build a distributed Wikipedia archiving system with 1000 bots. Learn architecture, coordination, storage, and scaling.
Memory Pool System Design: High-Performance Tesla Interview
Design a performance memory pool for Tesla interviews: lock-free or low-lock alloc/free, fragmentation control, O(1) ops, malloc fallback, and metrics.
Meta System Design: Real-Time Ad Auction Platform
Design a low-latency, scalable real-time ad auction platform for Meta. Learn auction flow, RTB, relevance scoring, and latency tactics—prepare for interviews.
Microsoft System Design: Distributed Key-Value Store & Cache
Design a distributed key-value store and cache at Microsoft scale. Covers scalability, replication, consistency options, failure handling, and prep tips.
Netflix System Design: Real-Time Ad Impression Limiter
Build a real-time ad impression limiter for Netflix: enforce per-campaign daily caps with millisecond checks, strong consistency, high availability, and monitoring. Learn how.
NVIDIA System Design Interview: Distributed Rate Limiter
Design a high-throughput distributed rate limiter for NVIDIA's API gateway. Learn algorithms, scaling patterns, and interview tips. Prepare now.
Oracle System Design: Scalable Real-Time Chat System
Prepare for Oracle backend interviews: design a scalable, low-latency real-time chat system. Learn architecture, APIs, message ordering and scaling—practice now.
Palantir System Design: Taxi Route Recommendation Service
Prepare for Palantir interviews: design a scalable, low-latency taxi route recommendation. Covers architecture, streaming pipelines, and real-time logic.
Pinterest System Design: Scalable Catalog Update System
Practice designing a scalable Pinterest merchant product-catalog update system: real-time APIs, bulk ingestion (500k items), validation, job queues, conflict resolution. Start now.
Roblox Backend System Design: Like/Unlike (1M QPS Scale)
Design a scalable Roblox like/unlike system handling 1M QPS with low latency, strong consistency, and high availability. Read architecture choices & tips.
Salesforce System Design: Scalable URL Shortening Service
Design a scalable, low-latency URL shortening service for Salesforce interviews. Learn API design, storage, caching, idempotency and trade-offs. Prepare now.
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