The Changelog: Software Development, Open Source Spec-driven development with Kiro (Interview)
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Oct 15, 2025 Deepak Singh leads the developer agents team at AWS, focusing on Kiro, an innovative AI coding environment. He delves into the significance of spec-driven development and shares the design journey influenced by QCLI. Deepak describes how Kiro's interface streamlines task generation and agent interactions, while highlighting the importance of maintaining context without direct code editing. The discussion also covers the dual target audience for Kiro, the integration of automation hooks, and insights on developing fully automated applications in the future.
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Specs First, Code Second
- Kiro centers development around authored specs rather than direct code editing to mirror senior engineers' design workflow.
- The agent converts natural input into requirements, design, tasks, and then generates code as an output artifact.
Built From Amazon's Internal Use
- Amazon built internal agents like QCLI and learned real developer needs by watching internal usage patterns.
- The team observed senior engineers break problems into smaller tasks and modeled Kiro after that workflow.
Edit Specs, Not Generated Code
- Change the specification to alter implementation instead of manually editing generated code to preserve agent context.
- Interrupt the agent (Ctrl-C) and redirect when the chain-of-thought shows a wrong direction rather than editing code directly.