Principal Product Designer — AI & Agentic Workflows Remote

Zest Search; España; Remote; EUR 120,000 - 180,000; Full time

Job summary

Zest Search partners with an innovative SaaS scale-up to recruit a Principal Product Designer for AI and agentic workflows. You will shape how AI-driven agentic workflows integrate with traditional SaaS interfaces, acting as a hands-on player–coach with a small design team under a VP of Product.

In this remote-first European role, you will set the design direction, tackle the most challenging problems, and influence product strategy across the organization.

Qualifications

• 10+ years in product design, including Staff or Principal level.
• Designed complex AI products at a top-tier SaaS company.
• Shipped agentic workflows, not just standalone AI features.
• Set design direction across an entire product, beyond your own area.

Responsibilities

• Define the interaction architecture and design patterns across the product.
• Design the most complex experiences yourself, prototyping and shipping in code (Claude Code, Cursor).
• Lead critique and raise the bar for a team of five designers.
• Partner with Product, Engineering and leadership on direction.

Skills

Product design leadership

UI/UX design

Interaction architecture

Prototyping in code

Team leadership

Strategic direction

AI product design

Tools

Claude Code

Cursor

Job description

Zest Search partners with an innovative SaaS scale-up to recruit a Principal Product Designer for AI and agentic workflows. You will shape how AI-driven agentic workflows integrate with traditional SaaS interfaces, acting as a hands-on player–coach with a small design team under a VP of Product.

In this remote-first European role, you will set the design direction, tackle the most challenging problems, and influence product strategy across the organization.