Senior Mobile Experience Designer — AI Assistant (Remote)

Otto AI; United States; Remote; USD 120,000 - 250,000; Full time

Job summary

Otto, a developer of a personal AI assistant, is seeking a Senior Design Engineer to own the mobile experience—from device setup to daily usage. This remote or hybrid, US-based role involves hands-on work with engineering leadership to translate complex capabilities into intuitive, polished mobile experiences.

You will lead end-to-end design, build a cohesive design system, and collaborate closely with engineers to ensure the final product reflects high design craft and thoughtful tradeoffs.

Qualifications

• Shipped consumer mobile products with strong product thinking.
• Experience leading complex design work at principal/lead level.
• Deep understanding of iOS and Android conventions and accessible mobile design.
• Strong prototyping, information architecture, and complete user journeys.
• Clear communication and a collaborative approach with engineers.
• Willingness to own both overall experience and fine details.

Responsibilities

• Lead end-to-end mobile product design from research to prototype and iteration.
• Design clear experiences for device setup, AI conversations, connected apps, permissions, and approvals.
• Establish interaction patterns across mobile and desktop respecting platform conventions.
• Build and evolve design system with components, typography, motion, and accessibility.
• Test ideas with users and translate findings into product decisions.
• Work closely with engineers to ensure the shipped experience matches design intent.
• Set a high standard for design craft and guide tradeoffs.

Skills

Portfolio

Leadership

iOS design

Android design

Prototyping

Info architecture

User journeys

Tools

React Native

Design systems

Prototyping tools

Job description

Otto, a developer of a personal AI assistant, is seeking a Senior Design Engineer to own the mobile experience—from device setup to daily usage. This remote or hybrid, US-based role involves hands-on work with engineering leadership to translate complex capabilities into intuitive, polished mobile experiences.

You will lead end-to-end design, build a cohesive design system, and collaborate closely with engineers to ensure the final product reflects high design craft and thoughtful tradeoffs.