•SYSTEM DESIGN

Anduril System Design Questions

Every system design problem candidates reported at Anduril between September 2025 and September 2026, most-asked first. Each one links to a full solution.

Problems

1

Candidate reports

1

Asked more than once

—

all reported once

Question type

1 HLD

Topics Anduril tests

Distributed Systems1Caching1Storage1API Design1
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1

Design a Small-Scale URL Shortener with Collision Handling

HLDBeginnerDistributed SystemsCachingStorage

Design a URL shortening service like TinyURL or bit.ly. Users submit a long URL and get a short code (optionally a custom alias and expiry); visiting the short URL redirects to the original. Assume hundreds of millions of new…

1 report·last seen Aug 2026·also asked at 7 other companies

Duplicate reports of the same problem are merged and counted.

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Frequently Asked Questions

What system design questions does Anduril ask?

Candidates reported 1 distinct system design problems at Anduril between September 2025 and September 2026, including Design a Small-Scale URL Shortener with Collision Handling.

How to prepare for Anduril system design interview?

Start with the Anduril 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 Anduril?

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. Anduril tests both.