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Decagon interview preparation

Decagon

decagon.ai

Walk into Decagon prepared.
Know what it looks for.

AI-powered customer support platform building autonomous agents that handle complex enterprise customer interactions. Decagon interviews focus on startup intensity, technical depth, and the ability to build AI products that deliver measurable business outcomes.

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What we know about Decagon

Your preparation, in four steps

Take them in order, or start where you need help most.

  1. Step 1Learn how Decagon hiresHear its values, its interview process and the questions it asks.Listen
  2. Step 2Build your storiesTurn your experience into STAR answers shaped around Decagon.Open Story Bank
  3. Step 3Tailor your resumeWrite a resume for your target role at Decagon, from your own experience.Open Resume Studio
  4. Step 4Practice out loudRun a mock interview with an AI interviewer. Get a written report on what to fix.Start practicing

What Decagon's rounds look like

System design at Decagon

Length
60 minutes
Tracks
System Design

Known to ask

  • Design Slack
  • Design an AI agent system that autonomously resolves customer support tickets
  • Design RAG for company documents
  • Design a single-tenant chatbot platform for one customer and one domain
  • Design an enterprise AI gateway with model routing, fallback, rate limiting and cost tracking
  • Design an AI gateway with audit requirements
and 5 more

From Decagon's hiring pages and candidate reports, read 2026-10-27.