JOANNA OIKAWA

Writing & work

Notes

Case studies and shorter writing on design, AI, and building developer tools.

Note · August 2026

Developer Ergonomic Design Principles

Six opinionated principles for building tools that preserve momentum—not merely tools that are easy to use.

  • Developer Tools
  • Interaction
  • Systems
Case study · 2021–2024

AI Agents for Software Development

How three years of working with AI led to designing the #1 autonomous agent for software development.

  • Interaction
  • AI/ML
  • Systems
Case study · 2023–2024

Amazon Q UX Architecture

How I scaled design decisions and resources to support an organization of designers.

  • Visual/UI
  • AI/ML
  • Systems
Case study · 2023–2025

Conversational Design for LLM-based Workflows

How I defined best practices and chat-based interaction patterns for AI-powered developer experiences.

  • AI/ML
  • Systems