Senior individual-contributor UI/UX Product Designer responsible for end-to-end mobile and web design. Create pixel-perfect UI, interaction flows, wireframes, and prototypes; adapt to enterprise design systems; collaborate closely with product, engineering, and stakeholders onsite; drive usability improvements and maintain visual consistency with minimal supervision.
Job Summary:
Senior UI/UX (Product) Designer – Individual Contributor
Location: Toronto, Canada – Onsite
Engagement Model: Individual Contributor, working at client location
Experience Level: Senior (8+ years preferred)
Domain: Product-led organizations (B2C / B2B platforms)
Role Overview
We are seeking a Senior UI/UX Product Designer to work onsite with a client’s product and engineering teams in downtown Toronto. This is a hands-on individual contributor role requiring strong ownership of end-to-end design execution across mobile and web products.
The ideal candidate brings exceptional UI/visual craft, deep product thinking, and the ability to operate independently in fast-paced client environments, while seamlessly adapting to existing design systems used by large-scale digital platforms.
Key Responsibilities
- Own end-to-end UI/UX design for mobile and web applications, from concept to final delivery
- Translate product requirements, user needs, and business goals into high-quality design solutions
- Create pixel-perfect UI designs, interaction flows, wireframes, and prototypes
- Ensure strong visual consistency and attention to detail across platforms
- Work closely with Product Managers, Engineers, and Client Stakeholders onsite
- Adapt and design within existing client design systems (e.g., Uber, Lyft–style systems)
- Contribute to usability improvements through user-centered design principles
- Maintain design quality while working independently with minimal supervision
Required Skills & Qualifications
- Strong experience designing both mobile (iOS/Android) and web applications
- Exceptional UI/visual design skills with a sharp eye for typography, spacing, color, and layout
- Proven experience as an individual contributor in product-driven organizations
- Ability to work independently at client locations and manage multiple design priorities
- Experience working within or adapting to enterprise-level design systems
- Strong proficiency with design tools such as Figma (required)
- Excellent communication and stakeholder collaboration skills
Preferred / Nice-to-Have
- Experience in Finance / FinTech products
- Background working with large-scale consumer or platform products
- Exposure to accessibility standards and usability best practices
Additional Notes
- This role is Toronto-first and onsite
- Hiring is for 1 Senior UI/UX Product Designer, with potential to add another role later
- Candidate must be comfortable working in a client-facing, consulting-style environment
Photon San Francisco, California, USA Office
San Francisco, United States
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