Lead Product Designer

Toronto, ON
Hybrid
Posted Oct 2, 2026
1 position

Opens an external site

Employment type: Full-time
Experience level: Senior · 5+ years
Posting language: English
Working hours: 40 hours per week

Job summary

You will collaborate with cross-functional teams to design intuitive, high-fidelity user experiences for complex healthcare AI workflows. Additionally, you will build and maintain a scalable design system to support rapid product development.

Job details

About Signal 1 Signal 1 is building the AI management and orchestration layer for the next era of healthcare AI. Health systems are rapidly moving from predictive models and generative AI to autonomous agents that can take action across clinical, operational and administrative workflows. This shift creates an entirely new set of challenges around how AI is governed, monitored, managed, and orchestrated to deliver real enterprise value. Signal 1 is the partner of choice for the most ambitious and AI-forward health systems. Our AI Management System (AIMS) enables them to manage their entire AI portfolio today while providing the infrastructure they need to confidently adopt agentic AI and whatever comes next. Our customers include leading health systems such as NewYork Presbyterian, Inova, and Mount Sinai. We’re a small, ambitious team tackling problems that don’t yet have an established playbook. Joining Signal 1 means helping shape not only our products, but how health systems manage and put the next era of AI to work. What you’ll do Deeply understand customer needs and pain points Collaborate with a small team of engineering, product, customer success, and data science from problem to solution to delivery Prototype and think through broad user flows for new features Generate high-fidelity designs that deliver elegant, intuitive, and delightful experiences Create and maintain a scalable design system that allows our team to ship rapidly You’ll be a great fit if you have... Proven experience as a lead, senior, or only product designer in B2B enterprise SaaS startups A demonstrated history designing niche and/or technically complex products. You deeply understand users’ needs and pair that with enough understanding of the technology to make sound design decisions and trade-offs. High agency and the resourcefulness to get the information you need to make decisions, paired with strong design intuition to make good, fast calls even when the picture is incomplete Clarity, succinctness, and precision in both design and communication visual, written, and verbal communication skills. You present design ideas to internal stakeholders and customers in ways that’s easy to understand, invite meaningful feedback, and build alignment. You bring the same clarity to the product experience, thoughtfully guiding users through complex workflows in ways that feel intuitive, elegant, and delightful. A fast, organized, AI-native way of working. You move quickly without dropping things, and you use AI tools daily to speed up every step of the product design process without sacrificing quality. A high bar for craft. You push beyond "does it work?" to "does it feel right?" and you carry that standard through every detail, from individual pixels to how each piece fits into the product as a whole. What we’ll bring Competitive compensation package in a high-growth company Comprehensive health benefits 4 weeks PTO To apply for this role… Please send an email to polly@signal1.ai with: “Re: Signal 1 Lead Product Designer Position” as the subject line Your resume A walkthrough of a project where you designed an experience for a complex workflow or tackled a hard design problem. Include context on why you chose this as an example, the key design decisions you made, and how you knew it worked. Please show the work if possible. (Format of this walkthrough is up to you.) Research shows women and people of color are less likely to apply to a role unless they meet every qualification listed. If you’re excited about this role and think you’d be great at it, we’d rather you apply and let us make that call together.

What you’ll do

Requirements

The ideal candidate has proven experience as a lead or senior product designer in B2B enterprise SaaS startups. You must possess strong visual and verbal communication skills, a high bar for design craft, and the ability to work effectively with AI-native tools.