System design

JPMorgan System Design Questions

Every system design problem candidates reported at JPMorgan between September 2025 and September 2026, most-asked first. Each one links to a full solution. Tick them off as you go.

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11problems
13candidate reports
2asked more than once
17topics
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Companies

Meta26Microsoft24Amazon23OpenAI22Google20TikTok16Salesforce15Anthropic15Uber12LinkedIn11Apple11JPMorgan11Atlassian11Snowflake9Netflix9Oracle9Goldman Sachs8Rippling8Databricks7Walmart7Airbnb7Capital One7NVIDIA6Pinterest6Roblox6Flipkart4Bloomberg4Visa4Adobe4Anduril1

Topics

Design an E-Commerce Shopping Website
2 reports · last seen Jun 2026E-commerceCachingDatabases
Intermediate▶ Mock
Design a URL shortener
2 reports · last seen Mar 2026Distributed SystemsCachingStorage
Beginner+4▶ Mock
Design Secure Token Authorization and Large-File Transfer
1 report · last seen Aug 2026StorageData PipelinesSecurity
Intermediate▶ Mock
Explain a Project Architecture End to End
1 report · last seen Aug 2026Distributed SystemsDatabasesCaching
Beginner▶ Mock
Optimize User-and-Region Queries on a Million-Row Table
1 report · last seen Aug 2026DatabasesCaching
Beginner▶ Mock
Design an Entitlement-Aware Agentic Portfolio Workflow
1 report · last seen Aug 2026AI / MLFintechSecurity
Advanced▶ Mock
Design an Auditable Internal AI Chatbot
1 report · last seen Aug 2026AI / MLReal-timeDistributed Systems
Advanced+2▶ Mock
Design a Scalable Notification System
1 report · last seen Jun 2026Real-timeMessagingDistributed Systems
Advanced+5▶ Mock
Design a Reliable Bank Payment System
1 report · last seen Apr 2026PaymentsFintechDistributed Systems
Advanced+1▶ Mock
Design a cloud-based global property rental platform
1 report · last seen Feb 2026Distributed SystemsPaymentsBooking System
Beginner+3▶ Mock
Design a course registration system
1 report · last seen Jan 2026Booking SystemDatabasesConcurrency
Intermediate▶ Mock

Duplicate reports of the same problem are merged and counted.

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Frequently Asked Questions

What system design questions does JPMorgan ask?

Candidates reported 11 distinct system design problems at JPMorgan between September 2025 and September 2026, including Design an E-Commerce Shopping Website, Design a URL shortener, Design Secure Token Authorization and Large-File Transfer.

How to prepare for JPMorgan system design interview?

Start with the JPMorgan problems reported most often, work through each full solution, then practice explaining a design end to end under time pressure in a mock interview.

What is the difference between HLD and LLD at JPMorgan?

HLD (High-Level Design) focuses on system architecture, scalability, and component interactions. LLD (Low-Level Design) dives into class diagrams, API contracts, and database schemas. JPMorgan tests both.