We Dream. We Do. We Deliver. 

At Merkle, a dentsu company, we power the experience economy. Whether we’re building the next great app, running CRM at scale for global brands, delivering technology architectures that support millions of users, or providing world-class data, identity, and insights solutions, it’s all in the name of crafting experiences that set brands apart from the competition. Backed by dentsu's legacy of innovation and creativity originating in Japan, we’ve spent over 35 years helping brands build loyalty, drive growth, and connect meaningfully with their audiences.  

We’ve been named a global “Leader” by top industry analyst firms in categories as wide-ranging as digital transformation and commerce, experience design, engineering and technology integration, digital marketing, data science, CRM and loyalty, and customer data management. 

Why choose Merkle? 

Innovation at Our Core: As part of dentsu’s global network, Merkle pushes the boundaries of customer experience, integrating creativity, technology, and data to drive real-world impact. For over 35 years, we’ve been innovating to meet the changing needs of our clients. 

Global Reach with Local Expertise: With over 16,000 employees across 30+ countries, and part of a 70,000 employees’ network at dentsu, Merkle blends global insights with a deep understanding of local markets to deliver personalized, effective solutions. 

Collaborative Culture: At Merkle, your ideas and contributions truly matter. You’ll join a team that fosters innovation, collaboration, and creative problem-solving. Together, we work on impactful international projects, making meaningful connections every step of the way. 

About the role

At Merkle, we design experiences that connect people and brands across digital, physical, and emerging platforms. As a Senior Product Designer, you’ll lead key projects, shape design strategy, and mentor team members while delivering seamless, human-centered, and innovative solutions for global brands.

You’ll collaborate with strategists, technologists, and client stakeholders to design intuitive, scalable experiences powered by creativity, data, and emerging technologies like AI.

This role is ideal for designers who love to think big but also sweat the details, and who thrive in a collaborative, multidisciplinary environment.

Job Description

Lead human-centered design initiatives

• Drive the end-to-end design process—from research and ideation to high-fidelity UI and interactive prototypes.
• Translate complex business and user needs into elegant, simple experiences.
• Contribute to shaping product strategy and bring a strong design perspective to discussions.

Collaborate and co-create

• Partner with product managers, engineers, strategists, and clients to align on goals and deliver impactful solutions.
• Facilitate workshops and design sprints to uncover insights and align teams around user needs.
• Mentor junior and mid-level designers, raising the bar for craft and process within the team.

Deliver and inspire

• Work with design systems and ensure consistency and scalability across products and platforms.
• Explore AI-enabled design tools and workflows to improve efficiency and creativity.
• Stay at the forefront of design trends and share your knowledge with the team.

What you bring:

• 5+ years of experience as a Product Designer, UX/UI Designer, or similar role, ideally in an agency or consultancy setting.
• A strong portfolio demonstrating end-to-end design thinking: discovery, ideation, prototyping, and final delivery across web and mobile platforms.
• Proven experience contributing to product strategy and collaborating in cross-functional teams.
• Advanced proficiency in Figma, prototyping tools, and design systems.
• Solid understanding of UX principles, interface design, interaction design, and accessibility best practices.
• Excellent communication and facilitation skills, with the ability to present ideas clearly to stakeholders and clients.
• Comfortable mentoring other designers and giving constructive feedback.

Nice to have:

• Experience designing for connected ecosystems (web, mobile, in-store, or physical environments).
• Familiarity with AI-driven design tools, automation workflows, or design for personalization.
• Understanding of front-end technologies (HTML/CSS/React) for better collaboration with developers.
• Experience in workshop facilitation or design thinking practices.

*Work visa sponsorship is not available. For local documentation (NIF, NISS), please consult Portuguese authorities.