Uber Software Engineer System Design Interview Questions
Practice the exact questions companies are asking right now.
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Design cart management lifecycle service
Scenario You are designing the backend for an on-demand delivery app (restaurants and grocery). Users can create a cart, modify items from multiple de...
Design a meeting scheduler and shopping cart
You are asked to do two system-design prompts. Prompt A: Meeting Scheduler Design a meeting scheduling system (similar to a calendar + scheduling assi...
Design a pickup-area driver queue
Design an internal service for a ride-hailing company that maintains a driver queue for each pickup area, such as an airport pickup zone or staging lo...
Design cart and pricing engine classes
Design the core classes and interfaces for a cart & pricing engine for a food delivery marketplace (e.g., Uber Eats). The final checkout price is not ...
Design Stock Price Alerts
Design a stock price alert system that allows users to create alerts for securities and receive notifications when the market price crosses a specifie...
Design Uber Eats-style search function
Design the search function for a large-scale food delivery platform similar to Uber Eats. A user opens the app and types queries such as: - Restaurant...
Design real-time driver heatmap system
System Design: Real-Time Driver Heatmap and Top-K Hottest Cells Context You are building a real-time heatmap for a ride-hailing platform to show drive...
Design driver heat map and discuss consensus
Real-Time Driver Heat Map with Top-K Busiest Cells, Plus Paxos vs. Raft Context You are designing a real-time heat map for a ride-hailing platform. Dr...
Design a ride-hailing platform like Uber
You are asked to design a large-scale ride-hailing platform similar to Uber. Requirements Functional requirements - Riders can: - Sign up, log in, a...
Compare Paxos and Raft
Consensus over a Replicated Log: Paxos vs. Raft Context You are designing a fault-tolerant replicated log to back a stateful service (e.g., a key-valu...
Design a meeting scheduler with cancellations
System Design: Meeting Scheduling Platform (Onsite) Context Design a multi-tenant meeting scheduling system for an organization of any size (from star...
Prioritize rooms for allocation
System Design: Room Allocation and Ranking Service Context and assumptions: - The client sends a meeting request with: (a) time window or fixed start/...
Design a search autocomplete system
System Design: Google-Scale Search Autocomplete Goal Design a planet-scale autocomplete service for a search box that suggests completions as users ty...
Design MapReduce for schedules
Design a scalable job to compute rolling 15-minute meeting concurrency and room utilization You are given a massive log of meeting events with fields:...
Describe end-to-end design of past project
System Design Deep Dive: Past Project End-to-End Provide a detailed, end-to-end walkthrough of a significant technical project you led or contributed ...
Design MapReduce for schedule aggregation
MapReduce Design: Common Availability From Busy Intervals Context You are given large-scale calendar data: each user has 0 or more busy intervals duri...