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Prep/Companies/Uber

Mobility · San Francisco, California

Uber.

Ride-hailing, Uber Eats food delivery and freight, matching riders, drivers and couriers in real time.

its questions lean on

geo matching and location
machine coding with concurrency
real-time notifications
queues and schedulers
feeds

The rounds, as candidates describe them

Online assessment and phone screenAn online assessment, then a technical phone screen.source ↗
OnsiteFour rounds, DSA, LLD (machine coding), HLD and hiring manager.source ↗

Reported by candidates

From public interview write-ups; each links its source.

Design a Ride-Hailing ServiceSystem design
SQ-09 · Uber →IP-13 · Design a Proximity Service →W01 · DAY 04 · Hot Keys and Skew →reported in:LeetCode Discuss · Google, Microsoft, Uber and Atlassian experiences, "Design Uber" (2021) ↗
Design a Chat SystemSystem design
IP-08 · Design a Chat System →SQ-02 · WhatsApp Messaging →reported in:LeetCode Discuss · Uber SDE 2 interview experience (2024) ↗LeetCode Discuss · Uber SDE2 Bengaluru, WhatsApp group chat (2022) ↗
Design a Restaurant Discovery FeedSystem design
SQ-17 · Swiggy Food Delivery →IP-13 · Design a Proximity Service →W04 · DAY 04 · Feed Caching →reported in:LeetCode Discuss · Uber SDE2 in-office, Uber Eats restaurant feed backend (2024) ↗LeetCode Discuss · Uber L4 Bangalore, restaurants delivering in an area (2021) ↗
Design a Stock Price Alert SystemSystem design
IP-06 · Design a Notification System →W03 · DAY 01 · Queue vs Stream →W06 · DAY 03 · Real-Time Channels: WebSockets and SSE at Scale →reported in:LeetCode Discuss · Uber L4 Bangalore, offer (2024) ↗LeetCode Discuss · Uber SDE2 in-office, offer (2024) ↗
Design Webhook DeliverySystem design
W02 · DAY 04 · Webhook Delivery System →W02 · DAY 02 · Idempotency in Practice →reported in:LeetCode Discuss · Uber SDE-2 (2024) ↗
Design a Proximity ServiceSystem design
IP-13 · Design a Proximity Service →W01 · DAY 01 · Partitioning Deep-Dive →reported in:LeetCode Discuss · Uber L4 India, Yelp-like service (2020) ↗
Design a Parking LotLow-level design
LLD-01 · Design a Parking Lot →reported in:LeetCode Discuss · Uber SDE2 in-office, multi-floor lot for cars and bikes (2024) ↗LeetCode Discuss · Uber SDE-2 (2024) ↗
Design an In-Memory Message QueueLow-level design
LLD-08 · Design a Logging Framework (Pub-Sub) →IP-18 · Design a Distributed Message Queue →reported in:LeetCode Discuss · Uber L4 Bangalore, pull-based queue with TTL (2021) ↗LeetCode Discuss · Uber SDE2 hiring drive, Kafka-like with concurrency (2024) ↗
Design a Multithreaded Job SchedulerLow-level design
IP-17 · Design a Distributed Job Scheduler →W02 · DAY 05 · Distributed Cron & Job Scheduling →reported in:LeetCode Discuss · Uber SDE2 Bengaluru, tasks with prerequisites (2022) ↗LeetCode Discuss · Uber L4 Bangalore (2020) ↗
Design a Leaderboard (LLD)Low-level design
IP-14 · Design a Real-Time Leaderboard →reported in:LeetCode Discuss · Uber SDE2 in-office, offer (2024) ↗
Design a Logging FrameworkLow-level design
LLD-08 · Design a Logging Framework (Pub-Sub) →reported in:LeetCode Discuss · Uber SDE 2 Bangalore, offer (2024) ↗
Design a Key-Value Store with TransactionsLow-level design
IP-03 · Design a Distributed Key-Value Store →W05 · DAY 01 · Consistency Models →reported in:LeetCode Discuss · Uber onsite (2022) ↗

Likely, from what they build

Our pick, not a report: questions that fit Uber's products.

Design a Food Delivery SystemSystem design
SQ-17 · Swiggy Food Delivery →W03 · BOSS · Event-Driven Food Delivery Order System →
Design a Payment SystemSystem design
IP-20 · Design a Payment System →W05 · DAY 02 · Distributed Transactions — The Saga Pattern →

Study path

Every lesson the questions above point to, once, in order.

01SQ-09Uber
02IP-13Design a Proximity Service
03W01 · DAY 04Hot Keys and Skew
04IP-08Design a Chat System
05SQ-02WhatsApp Messaging
06SQ-17Swiggy Food Delivery
07W04 · DAY 04Feed Caching
08IP-06Design a Notification System
09W03 · DAY 01Queue vs Stream
10W06 · DAY 03Real-Time Channels: WebSockets and SSE at Scale
11W02 · DAY 04Webhook Delivery System
12W02 · DAY 02Idempotency in Practice
13W01 · DAY 01Partitioning Deep-Dive
14LLD-01Design a Parking Lot
15LLD-08Design a Logging Framework (Pub-Sub)
16IP-18Design a Distributed Message Queue
17IP-17Design a Distributed Job Scheduler
18W02 · DAY 05Distributed Cron & Job Scheduling
19IP-14Design a Real-Time Leaderboard
20IP-03Design a Distributed Key-Value Store
21W05 · DAY 01Consistency Models
22W03 · BOSSEvent-Driven Food Delivery Order System
23IP-20Design a Payment System
24W05 · DAY 02Distributed Transactions — The Saga Pattern

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