Senior Product Designer: Design Systems & AI UI (DeSci)

molecule.xyz; United States; Remote; USD 120,000 - 170,000; Full time

Benefits offered by this job

Competitive compensation

Ownership in product decisions

Job summary

Molecule is seeking a Senior Product Designer to shape user experience and visual language for web and mobile products. You will own the design system, collaborate with Engineering and Marketing, and iterate from concept to pixel-perfect execution.

You will lead with a strong portfolio, apply AI-enhanced workflows, and contribute to a cohesive brand while supporting accessibility and cross-platform consistency.

Qualifications

• 7+ years of professional product or UI design experience.
• Built and scaled design systems and hybrid component libraries across teams.
• Figma expert with hands-on experience managing a design system.
• Understand HTML, CSS, and front-end frameworks to design for feasibility.
• Strong interaction design for mobile and desktop.
• Active use of AI tools and AI-enhanced workflows in design.
• Ego-free, collaborative, receptive to feedback and critique.
• Own design process end-to-end with minimal micromanagement.
• Able to explain design decisions to designers, engineers, and leadership.
• Shipped AI or agent-based product experiences.
• Experience with design tokens and frontend implementation.
• Knowledge of user testing methodologies and iterative research.
• Experience with external design or branding agencies.
• Background in web3, biotech, or decentralised science.

Responsibilities

• Design and refine UX and interfaces for Molecule's core apps across web and mobile.
• Own and expand Molecule's Design System with a scalable component library.
• Deliver polished UI components that align with our brand and improve usability.
• Write component docs, UI specs, and usage guidelines for smooth handoff.
• Collaborate with Frontend Engineers to ensure fidelity from design to code.
• Apply WCAG standards and UX best practices for inclusive products.
• Build interactive prototypes, often with AI-powered tools, for rapid testing.
• Iterate designs based on user feedback, data, and product needs.
• Lead and facilitate design work, setup frameworks, and defend decisions.
• Contribute to Molecule's visual identity across product and communications.

Skills

Product design

Design systems

Figma

HTML/CSS familiarity

UI/UX for web and mobile

AI-powered design tools

Collaborative teamwork

Design critique

Communication with engineers

User testing methods

Branding and assets

Web3/DeSci knowledge

Tools

Figma

Job description

Molecule is seeking a Senior Product Designer to shape user experience and visual language for web and mobile products. You will own the design system, collaborate with Engineering and Marketing, and iterate from concept to pixel-perfect execution.

You will lead with a strong portfolio, apply AI-enhanced workflows, and contribute to a cohesive brand while supporting accessibility and cross-platform consistency.