Contract Product Designer

HappyFunCorp is a senior-led product development consultancy that specializes in delivering innovative products for a diverse range of clients. They are seeking a Senior Product Designer to lead design across various client engagements, focusing on user research, design systems, and collaboration with engineers and product managers.

Responsibilities:

• Lead design end-to-end across client engagements, from discovery through shipped product and iteration
• Run user research (interviews, usability testing, synthesis) and translate findings into product direction
• Produce design work in Figma across the full spectrum: flows, wireframes, high-fidelity UI, prototypes, and system components
• Build, extend, and maintain design systems including components, variables, and patterns
• Integrate AI into your workflow to accelerate execution and improve output quality
• Collaborate directly with engineers, PMs, and clients in working sessions and reviews
• Present and defend design decisions with stakeholders ranging from founders to enterprise leaders

Requirements:

• 5+ years of product design experience
• Portfolio or case studies required
• Strong Figma proficiency (including design systems)
• Experience using AI in a modern design workflow
• Based in the US or Canada with overlap with US Eastern hours
• Available for 20–30 hours/week and open to contract-to-hire
• Strong visual craft and a clear point of view
• Experience designing and shipping both B2B and consumer products
• Deep experience working within design systems (components, variants, tokens)
• Hands-on experience integrating AI into your design workflow
• Comfort working directly with engineers and PMs
• Strong written communication
• A portfolio that demonstrates range across project types
• Some familiarity with GitHub (issues, PRs, documentation) is a plus