Lead UX Designer

ActAI; Schweiz; On-site; CHF 90,000 - 140,000; Full time

Job summary

ActAI is seeking a talented UI Designer to create beautiful, fast, and intuitive interfaces for our agent-first mobile communication app. You will focus on the visual design of our products, working with product designers and engineers to bring the user experience to life through polished interfaces.

You will design high-quality user interfaces, build and maintain design systems, refine layouts and typography, and collaborate closely with product and engineering to deliver pixel-perfect

Qualifications

• Strong visual design portfolio showing typography, layout and UI craft.
• Experience building and maintaining design systems and component libraries.
• Proficiency with Figma and modern UI prototyping tools.

Responsibilities

• Design high-quality user interfaces.
• Build and maintain UI components and design systems.
• Refine layouts, typography, spacing, and visual consistency.
• Work closely with product and engineering to deliver pixel-perfect experiences.
• Continuously improve the quality of the product interface.

Skills

Visual design

Typography

Design systems

Figma

Job description

There are over 5 billion users using basic applications today such email, notes, tasks, calendar and they're not AI-native. Our mission is to build proactive applications for anyone in the world, who are not used to complex prompting. We aim to bring intelligence to conversations, errands, organising and workflows, with minimal to no prompting.

Our first application is an agent-first mobile communication app. We believe building applications that users use daily for communication, coordination and collaboration needs will help integrate AI into their lives. The net effect is to eliminate misinformation, achieve low coordination costs, enable high quality tasks and collaboration at scale with minimal or little prompting.

About the Role

Create beautiful, fast, and intuitive interfaces for ActAI.

You'll focus on the visual design of our products, ensuring every screen is clear, polished, and easy to use. Working alongside Product Designers and engineers, you'll bring the user experience to life through exceptional interface design.

What You Will Be Doing

• Design high-quality user interfaces
• Build and maintain UI components and design systems.
• Refine layouts, typography, spacing, and visual consistency.
• Work closely with product and engineering to deliver pixel-perfect experiences.
• Continuously improve the quality of the product interface.

What You Will Need

• Excellent visual design, typography, and layout skills.
• Experience building and maintaining design systems.
• Proficiency with Figma.
• Strong attention to detail and craftsmanship.

How We Work

The best products in the world are built by small, highly capable teams. We operate with high talent density, fast execution speed, and strong ownership. We care deeply about product quality, clear thinking, and practical execution.

This is a hands-on environment. Everyone is expected to contribute directly, operate independently, and make good decisions under ambiguity. Our goal is to build products that are genuinely useful to billions of people globally.

For design roles, we expect candidates to submit a portfolio as part of the application process.

If there appears to be a fit, we'll reach out to schedule 2 rounds of interviews and a design challenge.

Applications are evaluated by our team members. Interviews will be conducted via virtual meetings and/or onsite.

We value transparency and efficiency, so expect a prompt decision. If you've demonstrated the exceptional skills and mindset we're looking for, we'll extend an offer to join us. This isn't just a job offer; it's an invitation to be part of a team that's bringing AI to have practical benefits to billions globally.