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SDE building AWS's agentic coding tool Kiro — model orchestration, context systems, and dev-facing infrastructure

AWS is hiring a Software Development Engineer for Kiro, its frontier AI coding agent, based in Seattle (with New York and Raleigh also listed). The role spans distributed systems, real-time streaming, multi-model orchestration, and the context layer that makes Kiro understand a developer's project, with day-one opportunities to own systems and set technical direction on a small, high-leverage team.

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What this interview tests

  • Multi-model orchestration and intelligent routing
  • Distributed systems reliability and scaling design
  • Context/memory systems for AI agents at codebase scale
  • Real-time streaming architecture
  • Ownership and technical direction on ambiguous problems

Common question themes

Design a system that routes requests across multiple AI models reliably

How would you build a context layer that keeps understanding of a large codebase current

Describe a distributed system you designed or re-architected for scale and reliability

Tell me about a time you owned a critical system's technical direction end to end

Walk through your approach to shipping a new model or feature with minimal risk

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