How do I approach System Design interview questions?

System Design questions require understanding of core concepts and practice. PracHub provides solutions with explanations to help you master system design interviews.

What difficulty level is this interview question?

This is a medium difficulty System Design question, commonly asked during Technical Screen rounds at Anthropic.

What role is this question designed for?

This question is commonly asked for Software Engineer candidates at Anthropic during technical interviews.

Design a One-on-One Chat Service

Last updated: Jun 13, 2026

Quick Overview

This question evaluates the ability to design a scalable, real-time one-on-one messaging service, probing distributed systems concepts, data modeling, API design, storage strategies, real-time delivery mechanisms, and reliability guarantees.

|Home/System Design/Anthropic

Design a One-on-One Chat Service

Anthropic

May 31, 2026, 12:00 AM

mediumSoftware EngineerTechnical ScreenSystem Design

200

Submit Your Answer to Earn 20XP

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Design a One-on-One Chat Service

Last updated: Jun 13, 2026

Quick Overview

|Home/System Design/Anthropic

Design a One-on-One Chat Service

Anthropic

May 31, 2026, 12:00 AM

mediumSoftware EngineerTechnical ScreenSystem Design

200

Submit Your Answer to Earn 20XP

Loading comments...

Browse More Questions

More System Design•More Anthropic•More Software Engineer•Anthropic Software Engineer•Anthropic System Design•Software Engineer System Design

Your design canvas — auto-saved