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1,525 questions

Showing 26–50

System designDifficulty not specified
Design a large model file distribution system
Design a system that efficiently distributes 500GB machine learning model files from an external repository to 1000 datacenter servers over a 10Gbps link, optimizing for…
Companies: Anthropic, Google, NVIDIA
Last reported Nov 2026
Open workspace
System designDifficulty not specified
Design a Metrics Aggregator
Design a metrics aggregation system that collects count-based metrics (like user signups, system errors, ad clicks) from services via a client library and displays them…
Companies: Amazon, DoorDash, Google, LinkedIn +10
Last reported Nov 2026
Open workspace
System designMedium
Design a News Aggregator with Interest-Based Personalized Feeds

Page 2 of 61

Interview questions by company and topic | SysRound

Companies: Rippling

System Design

Last reported Nov 2026

System designDifficulty not specified

Design a Reservation System for Airbnb

Design a reservation system for Airbnb that allows users to search properties, make bookings, and manage reservations, with focus on API design and payment integration.

Companies: Airbnb, Headway, Opendoor, Ripping +1

Last reported Nov 2026

System designHard

Design a ticket booking system like Ticketmaster

Contention on scarce inventory: seat holds with TTL, locking/optimistic concurrency, payments, flash-sale traffic and virtual queues.

Companies: Agoda, Airwallex, Amazon, Apple +15

concurrency · idempotency · load-shedding · locking

Last reported Nov 2026

Start AI interview Study workspace

System designDifficulty not specified

Design a user referral system

Design a referral system that allows existing users to invite new users through shareable codes or links. The system should handle code generation and sharing…

Companies: Meta, Tiranga Game, Underdog Fantasy

Last reported Nov 2026

System designMedium

Design a web crawler

URL frontier, politeness, deduplication at scale, distributed workers, failure and trap handling.

Companies: Amazon, Anthropic, Atlassian, Expedia +7

bloom-filters · deduplication · distributed-workers · dns

Last reported Nov 2026

Start AI interview Study workspace

System designMedium

Design an Ad Click Aggregator for Advertiser Click Reporting

Companies: Meta

System Design

Last reported Nov 2026

System designHard

Design Instagram

Photo delivery and social feeds: safe publication, celebrity fan-out, stable pagination, and high-volume interactions.

Companies: Amazon, Bloomberg, Datadog, DoorDash +9

content-delivery · feed-fanout · idempotency · media-storage

Last reported Nov 2026

Start AI interview Study workspace

System designDifficulty not specified

Design Wikipedia Crawler

Design a distributed web crawler system that can crawl and store Wikipedia pages at scale using multiple machines or edge devices, with focus on coordination…

Companies: Glean, Google, Lyft, Meta

Last reported Nov 2026

System designDifficulty not specified

Design a Distributed Lock Service

Design a distributed lock service that allows clients to acquire and release locks on shared resources, supporting a well-defined API contract and data model that…

Companies: Google

Last reported Oct 2026

System designDifficulty not specified

Design a Livestream Chat Service

Design a livestream chat service that can handle highly variable and spiky loads, such as one-time events with massive viewership, allowing users to send and…

Companies: Anthropic, Cohere, Disney

Last reported Oct 2026

System designHard

Design a PC Game Store, Entitlements, and Large-File Launcher Distribution

Companies: OpenAI

File & Media Storage · System Design · System Design Fundamentals

Last reported Oct 2026

System designMedium

Design a Power-Loss-Safe Bootloader That Updates Application Firmware

Companies: Amazon

System Design

Last reported Oct 2026

System designDifficulty not specified

Design a System Metrics Monitoring and Alerting Platform

Design a metrics monitoring platform that collects performance data (CPU, memory, throughput) from hundreds of thousands of servers, allows users to set threshold-based alerts…

Companies: Amazon, Databricks, Digitalocean, Expedia +10

Last reported Oct 2026

System designHard

Design a URL shortening service

Companies: DoorDash, Microsoft, OpenAI

API Design · Caching · System Design · System Design Fundamentals

Last reported Oct 2026

System designHard

Control Distributed Smart Devices and Display Live Power Usage

Companies: OpenAI

Messaging & Event-Driven · System Design · System Design Fundamentals

Last reported Oct 2026

System designMedium

Design an Instant Messenger With Sending, Delivered and Read Statuses

Companies: Bnsf

Real-Time Systems · System Design

Last reported Oct 2026

System designMedium

Design an Inventory System for a Grocery Delivery Service

Companies: Instacart

System Design · System Design Fundamentals

Last reported Oct 2026

System designMedium

Design an LLM-Assisted Pipeline to Clean and Import Schema-Less Client CSV Files

Companies: Ode

ML System Design · System Design Fundamentals

Last reported Oct 2026

System designMedium

Design a URL shortener like Bitly

Read-heavy key-value service: unique short-code generation, hot-key caching, redirect semantics.

Companies: Amazon, Anduril, Apple, Bending Spoons +26

API Design · caching · hot-keys · http-redirects

Last reported Oct 2026

Start AI interview Study workspace

System designMedium

Design a rating and review system for individual food items

Companies: DoorDash

System Design · System Design Fundamentals

Last reported Oct 2026

System designEasy

Explain a System You Built, Then Convert a Synchronous Request to Asynchronous

Companies: eBay

System Design

Last reported Oct 2026

System designMedium

Design a Driver Onboarding State Machine

Companies: DoorDash

System Design · System Design Fundamentals

Last reported Oct 2026

System designDifficulty not specified

Design a Review App for Food Items

Design a food review system where users can rate and review individual food items from their orders, other users can upvote/downvote these reviews, and reviewers…

Companies: DoorDash

Last reported Oct 2026