Senior UX/UI Designer

Job Description:

Company Description

We Dream. We Do. We Deliver.

At Merkle, a dentsu company, we power the experience economy. Whetherwe’rebuilding the next greatapp, running CRM at scale for global brands, delivering technology architectures that support millions ofusers, or providing world-class data, identity, and insights solutions,it’sall in the name of craftingexperiences that set brands apart from the competition. Backed bydentsu'slegacy of innovation andcreativity originating in Japan,we’vespent over 35 years helping brands build loyalty, drive growth, andconnect meaningfully with their audiences.

We’vebeen named a global “Leader” by top industry analyst firms in categories as wide-ranging as digitaltransformation and commerce, experience design,engineeringand technology integration, digitalmarketing, data science,CRM andloyalty, and customer data management.

Why choose Merkle?

Innovation at Our Core: As part ofdentsu’sglobal network, Merkle pushes the boundaries of customerexperience, integrating creativity, technology, and data to drive real-world impact. For over 35 years,we’vebeen innovating to meet the changing needs of our clients.

Global Reach with Local Expertise: With over16,000 employeesacross 30+ countries, and part of a70,000employees’network at dentsu, Merkle blends global insights with a deep understanding of localmarkets to deliver personalized, effective solutions.

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

And we are looking for a UX/UI Designer to reinforce our team!

Job Description

Do you have a thirst for knowledge and are fascinated by digital solutions? We are currently looking for an UX/UI Designer that could be able to take the responsibility for envisioning and shaping first-class, innovative digital touchpoints, and bringing new ideas to life and enthrall our clients with unique digital experiences.

Being the connecting piece between business goals, user needs, and technical implementation, you collaborate deeply with CX strategists, other designers, and developers, always acting as advocates for users’ needs throughout the entire process.

What do we expect:

You are a proven, multi-skilled, flexible, and experienced Senior UX/UI Designer with a strong portfolio that demonstrates your expertise across the full design lifecycle.

You will:

• Demonstrate experience working collaboratively to align the needs of our clients with those of their end users, from initial concept through to final delivery
• Have experience working in agile, multidisciplinary teams, designing end-to-end digital customer experiences (e.g. commerce, brand, and service experiences)
• Be comfortable designing short-term experiments and learning prototypes, as well as scaling concepts into robust, long-term solutions
• Translate visions and ideas into ambitious design concepts, from wireframes to high-fidelity user interfaces

Collaboration & Craft

• Collaborate closely with other UX/UI designers to brainstorm concepts, sketch ideas, and create low- and high-fidelity prototypes to shape user-centered design solutions, that can be rapidly tested with users
• Design accessible, intuitive, consistent, and delightful digital experiences, with strong attention to detail and pixel-perfect execution
• Work with designers and developers to create responsive layouts, including interactive states, motion, and animation
• Contribute to and work within design systems, ensuring consistency and scalability across products

Qualifications:

You bring passion for digital creation and deep expertise in:

• Human-centered design, information architecture, interaction design, and usability
• A completed degree in design (university or technical college), e.g. in the field of communication, web or interaction design, or a comparable qualification
• Minimum 3-5 years of professional experience designing complex digital products and applications, preferably in an agency or product-driven environment
• Strong creative and analytical thinking, with the ability to understand complex systems and processes
• Excellent knowledge of core UX principles and methodologies (usability, accessibility, inclusive design, etc.)
• Practical experience with Design Thinking fundamentals
• Hands-on experience with industry-standard tools such as Figma, Miro, and other prototyping and collaboration tools
• Experience facilitating workshops, conducting benchmarking, usability testing, walkthroughs, and end-to-end UX processes
• Strong understanding of UI design principles, interaction design, and responsive design best practices
• Experience applying user-centered and inclusive design principles
• Hands-on experience building, maintaining, and contributing to design systems
• Experience across B2B, B2C, and e-commerce projects
• Solid technical understanding of modern web technologies
• Experience working closely with development teams in agile environments
• Ability to leverage AI tools to support and enhance daily design workflows
• Passion for staying up to date with the latest UX/UI trends, tools, and technologies

Communication & Collaboration

• Excellent communication and presentation skills
• Comfortable collaborating within cross-functional teams
• Fluent in English, written and spoken

Please submit a strong portfolio including detailed case studies of projects you have worked on. We are especially interested in seeing:

• Your design and problem-solving process
• Product vision and strategy
• Research insights and customer journeys
• Wireframes, prototypes, and final designs
• Team setup and collaboration approach
• Project duration, challenges, and outcomes

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

Additional Information

Benefits andperks:

25 vacation days

Enjoy 2additionalvolunteering days to support your passion project

Mental Health: Benefit from 3 extra wellness days on top of your vacation days and a Mental HealthFirst Aider and EmployeeAssisstanceprogram to support your well-being

Health insurance (also possible for family members)

Cutting Edge Technology & Latest IT tools

Software-house environment

Agile and Flexible working hours

Hybridworking:we combine flexibility with in-person collaboration, with an expectation of 1 day per week/ 4 days per month in the office

Digital nomad policy

Focus on career development

Full access to Dentsu Academy, our global online learning platform

Beers, foosball, and ping-pong! #workhardplayhard

Free breakfast every secondWednesdayof the month

Employee discounts

Team & Company events

Referral bonus program

*At dentsu, Diversity, Equity, and Inclusion (DEI) is central to our vision: "To be at the forefront of people-centered transformations that shape society."

We cherish the unique talents and perspectives of all individuals, welcoming applicants regardless of gender, gender identity, nationality, religion, ethnicity, cultural background, sexual orientation, age, physical or mental ability. By embracing diverse perspectives, we create meaningful change and sustainable growth for our people, clients, and society. Our hiring decisions are guided by qualifications and role-specific requirements, ensuring a workplacefreefrom discrimination and harassment.

#LI-Hybrid #LI-MERKLE

Location:

Brand:

Time Type:

Contract Type: