Senior Product Designer (UX/UI) — HealthTech & IoT

Merlin Digital Partner; Barcelona; Hybrid; EUR 70,000 - 95,000; Full time

Job summary

Merlin Digital Partner is seeking a Senior Product Designer (UX/UI) for a fast-growing HealthTech partner. You will own the end-to-end user experience across web and mobile, from discovery to delivery, collaborating with Product, Eng/Hardware, and Data teams to build scalable, intuitive interfaces.

You will lead design system development, drive UX strategy, and validate concepts with qualitative and quantitative research.

Qualifications

• 5+ years of experience in product design for end-to-end digital products.
• Deep understanding of how design drives product growth and business goals.
• Expert knowledge of Figma, design tokens, component libraries, and prototyping.

Responsibilities

• Own the user experience across the product lifecycle for web and mobile interfaces.
• Lead product discovery, research, and translate insights into design decisions and metrics.
• Own the design system, maintain consistency, accessibility, and scalable UI across platforms.
• Collaborate daily with product managers, engineers, and data teams to ensure feasible, high-quality handoffs.

Skills

Product design

UX research

Design systems

Cross-functional collaboration

Communication

English proficiency

Hybrid work adaptation

Tools

Figma

Job description

Merlin Digital Partner is seeking a Senior Product Designer (UX/UI) for a fast-growing HealthTech partner. You will own the end-to-end user experience across web and mobile, from discovery to delivery, collaborating with Product, Eng/Hardware, and Data teams to build scalable, intuitive interfaces.

You will lead design system development, drive UX strategy, and validate concepts with qualitative and quantitative research.