Joanna Kang enhanced the developer onboarding experience for Shopify/ui-extensions by delivering targeted improvements to the POS Dev Console documentation. She clarified the process for removing development extensions and introduced comprehensive getting-started guidance, including troubleshooting steps, app persistence management, and debugging tooltips. Working primarily with JavaScript and TypeScript, Joanna focused on technical writing and documentation to streamline the integration process for developers. Her updates reduced onboarding friction and enabled faster debugging, supporting more efficient feature iteration. The depth of her work addressed both immediate developer pain points and long-term support needs, contributing to a more maintainable and accessible developer experience.