Founding Product Designer jobs in United States
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Tempo (YC S23) · 2 months ago

Founding Product Designer

positionMain Office - Toronto
timeFull-time
remoteOnsite
seniorityMid Level
money$125K/yr - $200K/yr
date3+ years exp

Tempo is one of Canada’s fastest-growing AI startups, backed by Y Combinator. They are seeking a founding UI/UX Design Engineer to lead the design engineering process, collaborating with product, engineering, and AI/ML teams to create intuitive and beautiful interfaces for their platform.

Artificial Intelligence (AI)B2BWeb Development

Responsibilities

Own end-to-end UI : Go from concept → flows → wireframes → prototypes → production-ready, high-fidelity UI
Build real product : Implement responsive, accessible components in React + TypeScript + Tailwind, using Radix UI / shadcn patterns
Shape complex UX : Partner with Product, Eng, and AI/ML to design clear interactions for real-time, multi-user features
Evolve our design system : Drive tokens, theming, documentation, and component APIs for scalability and consistency
Design with AI in the loop : Integrate AI-assisted design-to-code workflows and author patterns that our agents can reliably compose
Polish the feel : Add motion, micro-interactions, and states that improve comprehension—not just aesthetics
Collaborate in real time : Help build collaborative UX using Liveblocks/WebSockets, optimizing presence, conflict-resolution, and latency
Ship accessible, fast UI : Ensure that all designs adhere to accessibility standards, keep Core Web Vitals green, and measure UX with meaningful product metrics

Qualification

FigmaReactTypeScriptTailwindDesign systemsUX principlesAnimation craftReal-time collaborationTestingQualityMobile mindset

Required

Portfolio of shipped, product-quality UI that demonstrates strong visual taste and systems thinking
Fluency with Figma (flows, prototypes, component props/variants)
Experience building within a design system (tokens, theming, component APIs)
Strong grasp of UX principles, interaction design, and accessibility fundamentals
Interest in AI-augmented workflows (promptable components, agent-safe patterns)

Preferred

Hands-on with React, TypeScript, Tailwind, Radix/shadcn in production
Animation & interaction craft (Framer Motion, CSS keyframes, spring physics)
Real-time collaboration UX (CRDTs, optimistic UI, presence patterns)
Testing and quality: Storybook, Playwright/Jest, a11y tooling (axe, aria-lint)
Mobile mindset: Expo/React Native or responsive patterns beyond breakpoints

Benefits

Equity ownership in one of Canada’s fastest-growing AI startups.
In-house team environment with lunch provided 3 days a week.
Flexible vacation & sick policy — we care about you being at your best, not just at your desk.
Quarterly team events & outings to celebrate wins and build stronger connections.

Company

Tempo (YC S23)

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company-logo
"Build Beautiful UIs 10X Faster, With AI"
dateFounded in 2023
location
Toronto, Ontario, CAN
people-size11-50 employees
web-link
https://www.tempo.new/

Funding

Current Stage
Early Stage
Total Funding
$5M
Key Investors
Y Combinator
2025-10-22Seed· $5M
2023-08-01Pre Seed

Recent News

EIN Presswire
Tempo Labs Raises $5M to Scale Its AI-Powered Design-Engineering Platform and Expand Product Capabilities
2025-10-23
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Company data provided by crunchbase