Senior Software Engineer, UI Tooling (Full Stack iOS)

Airbnb is hiring a Senior Software Engineer on its UI Tooling team to drive the technical direction and development of AirChatUI, an AI prototyping harness and native macOS app. The role spans web and iOS prototyping, AI integrations, and integration with the Kyber prototyping platform, while enabling teams to create product prototypes, internal tools, and data visualizations.

Responsibilities:

• Web Prototyping experience - AirChatUI features and user experience
• IOS Prototyping experience - Native iOS prototyping capabilities, and iOS prototype app deployments
• AI Integration - Development of skills and agents to assist in product feature prototyping as well as support for AirChat CLI and AirChat Remote, Airbnb’s coding harness and remote agent execution environment
• Integration into Kyber, our web-based prototyping and rapid deployment platform
• Setting technical direction for the AirChatUI, making architectural decisions for the systems that enable rapid development of product feature prototypes, internal tools, and data visualizations
• Design and build macOS and iOS features using modern, declarative UI and unidirectional state architecture
• Contribute to web-based prototyping functionality in Kyber to support AirChatUI features
• Write and review code hands-on and with AI coding agents, demonstrating standards for quality, availability and system health across the platform
• Partner with Infrastructure, Product, Security, and Design to translate cross-organizational objectives into platform capabilities
• Advance the capabilities for Product Managers, Designers, and other non-technical builders to build rich product feature prototypes that translate to features in our production applications
• Learn from and collaborate with other senior engineers on the team, and contribute to shared iOS patterns and best practices as the team scales

Requirements:

• 5-9+ years of industry experience, ideally within fast-paced environments, with a track record of shipping features in large-scale consumer applications
• Full-stack engineering capability, with the confidence working across backend, frontend, mobile, APIs and system architecture as technical challenges require
• Proficiency in Swift and modern iOS architecture, including declarative UI (e.g., SwiftUI), unidirectional state management (MVI/MVVM/Redux-style), and dependency injection
• Proven experience building customer-facing products from zero to one, contributing to product definition, technical architecture, development and launch
• Solid understanding of mobile app performance, accessibility, and release/CI practices for large-scale consumer apps
• A product-first engineering mindset, with an understanding that technical decisions are in service of the products we provide to our customers
• Strong communication and collaboration skills, with experience driving initiatives that span across teams, departments and leadership
• Experience with modern web development tooling including Typescript, React, etc