Skip to content

Explore

Questions Companies Concepts Guides Sign in

How it works Questions Companies Concepts Guides Pricing Sample scorecard

Interview questions

Find a company or topic. Read the sources, then practice.

Coding study plans Companies Design mock

Loading the question library…

Practice system design interviews out loud with an AI interviewer, a shared whiteboard and a scorecard for your level.

How it works Questions Concepts Questions by company Comparisons Technologies Guides Cheat sheet Sample scorecard FAQ Use it as an app Sign in Pricing About and how we write Terms and guidelines Privacy Policy Contact

© 2026 SysRound. SysRound is an AI practice tool. The AI interviewer and the AI feedback can be wrong. Use it for your own practice, not to hire people.

Interview questions by company and topic | SysRound

Search questions

CompanyType a name, then choose a company from the suggestions.

Question type

Difficulty

Format

TopicType a topic, then choose one from the suggestions.

1,526 questions

Showing 176–200

System designMedium
Design an Image Feed: Uploads, Image Delivery, and Feed Generation
Companies: Roblox
System Design
Last reported Oct 2026
Open workspace
System designMedium
Design an In-App Notification Center with Real-Time Updates and Unread Counts
Companies: Roblox
Real-Time Systems · System Design
Last reported Oct 2026
Open workspace
System designHard
Design Google Calendar
Local-time recurrence, bounded free/busy queries, invitation state, and reminders that remain correct when schedules change.
Companies: Amazon, Apple, Google, LinkedIn +3
event-driven · idempotency · recurrence · scheduling

Page 8 of 62

Last reported Oct 2026

Start AI interview Study workspace

System designDifficulty not specified

Design Stock price alerting system

Design a stock price alerting system that allows users to set price thresholds for stocks and receive real-time notifications when those conditions are met.

Companies: Amazon, Bloomberg, Google, Uber

Last reported Oct 2026

System designDifficulty not specified

Design Twitter with shopping and product recommendations

Design a social media platform similar to Twitter but incorporating Amazon-style product features such as product recommendations, shopping integration, or e-commerce…

Companies: Amazon, Asana, Brex, Cloudflare +2

Last reported Oct 2026

System designHard

Design Typeahead Search

Design a typeahead search system that displays real-time search suggestions as users type their queries. The system should focus on the retrieval and display of…

Companies: Databricks, Expedia, Google, LinkedIn +3

System Design

Last reported Oct 2026

System designDifficulty not specified

Design a BeReal-like Social Media Feed

Design a social media platform similar to BeReal, where users receive a daily simultaneous notification to capture and share dual-camera photos, and can view a…

Companies: Bereal

Last reported Sep 2026

System designHard

Design a distributed file system like HDFS

Large sequential file access: durable metadata, direct data transfers, replica placement, and recovery after storage node failures.

Companies: Databricks, Meta

consistency · data-integrity · fault-tolerance · high-throughput

Last reported Sep 2026

Start AI interview Study workspace

System designDifficulty not specified

Design a Kanban board

Design a Kanban-style project management board similar to Jira, including features like customizable status columns, ticket management, and drag-and-drop reordering of both…

Companies: Bloomberg, Justworks

Last reported Sep 2026

System designEasy

Design a Lab Machine Fleet Monitor: Payload Dispatch, Hang Detection, and Remote Reboot

Companies: Microsoft

System Design · System Design Fundamentals

Last reported Sep 2026

System designDifficulty not specified

Design a ledger

Design an internal ledger system that allows merchants to record transactions and query account balances for companies.

Companies: Stripe

Last reported Sep 2026

System designDifficulty not specified

Design a Malicious IP Detection Service

Design a high-throughput malicious IP detection service that screens 100,000 requests per second against an internal IP reputation system, ensuring malicious callers are…

Companies: LinkedIn

Last reported Sep 2026

System designHard

Design a persistent distributed key-value store

Design a distributed key-value store that supports persistent storage with append-only file operations, handles both read-heavy and write-heavy workloads with strong…

Companies: Aibnb, Airbnb, Databricks, Geico +4

System Design

Last reported Sep 2026

System designDifficulty not specified

Design a share purchasing system for a limited-time company crowdfunding event

Design a system that allows customers to purchase a selected number of company shares using their existing account balance during a limited-time crowdfunding event. The…

Companies: Wise

Last reported Sep 2026

System designDifficulty not specified

Design A To-Do List App With Multi-User Collaboration

Design a to-do list application similar to iPhone's Reminder app that allows users to create task lists, share lists with other users for collaboration, and…

Companies: Asana, Atlassian, Roblox

Last reported Sep 2026

System designDifficulty not specified

Design Airbnb Search

Design the search functionality for Airbnb, allowing users to search and filter available listings by location, dates, and other criteria, while ensuring the system can…

Companies: Aviv Group, Headway

Last reported Sep 2026

System designDifficulty not specified

Design an ATM Refill System

Design a monitoring and notification platform that tracks cash levels across multiple ATMs and alerts designated representatives when refilling is required based on predefined…

Companies: Revolut

Last reported Sep 2026

System designDifficulty not specified

Design an end-to-end RAG application with ingestion pipeline

Design a Retrieval-Augmented Generation (RAG) system that allows users to ingest documents, process them through an embedding pipeline, and query the knowledge base to receive…

Companies: SAP, Zscaler

Last reported Sep 2026

System designHard

Design Dropbox or Google Drive

Large file transfers with small metadata transactions: resumable uploads, offline conflicts, reliable change feeds, and shared subtrees whose permissions change as files move.

Companies: Amazon, Apple, Autodesk, Clio +17

access-control · change-data-capture · conflict-resolution · data-versioning

Last reported Sep 2026

Start AI interview Study workspace

System designDifficulty not specified

Design LeetCode

Design an online programming judge system for coding competitions where users can submit solutions to algorithmic problems, get real-time feedback on code execution, and…

Companies: Amazon, LinkedIn, Lyft, Meta +4

Last reported Sep 2026

System designMedium

Design Real-Time Typeahead for Enterprise Search: History, People, Docs, Apps, Filters

Companies: Glean

System Design

Last reported Sep 2026

System designMedium

Design a Distributed Key-Value Store for a Small Company's Internal Use

Companies: LinkedIn

System Design

Last reported Sep 2026

System designDifficulty not specified

Design a Hit Counter

Design a hit counter that tracks the number of hits received in the past 5 minutes, supporting the ability to record hits and retrieve the…

Companies: Microsoft, Snapchat

Last reported Sep 2026

System designMedium

Design a Notification System for Bursty Writes of 1M per Second

Companies: CoreWeave

Real-Time Systems · System Design

Last reported Sep 2026

System designMedium

Design a Strongly Consistent, Fault-Tolerant Database for Fleet Validation Data

Companies: CoreWeave

System Design

Last reported Sep 2026