UX Designer

📍 Job Overview

Job Title: UX Designer

Company: Merkle (part of dentsu)

Location: Gijón / Xixón, Asturias, Spain

Job Type: Full time

Category: User Experience (UX) Design / Digital Experience Optimization

Date Posted: September 04, 2026

Experience Level: Mid-Level (estimated 2-5 years)

Remote Status: Hybrid

🚀 Role Summary

• Drive digital experience optimization initiatives by translating user insights and behavioral data into actionable strategies.

• Conceptualize and prototype digital products, focusing on user-centered design principles and business objectives through data-driven analysis.

• Implement and monitor A/B tests and personalization efforts to continuously improve conversion rates and user engagement.

• Collaborate with cross-functional teams, including analytics, development, and business stakeholders, to deliver innovative, data-informed digital solutions.

📝 Enhancement Note: The role emphasizes a "data-driven" approach, integrating quantitative and qualitative data for UX optimization, which is a key characteristic of advanced UX roles in digital agencies and client-side operations. The mention of "fun&run" suggests a dynamic, agile work environment common in the advertising and digital services sector.

📈 Primary Responsibilities

• Conceptualize digital products and optimization actions (A/B Testing, personalization) based on user-centered design principles, business needs, flow analysis, existing data, and research insights.

• Prototype initiatives through various design phases, from wireframes to high-fidelity prototypes, adhering to design systems and adopting a mobile-first approach, validating proposals with data, expert reviews, or user research.

• Participate in the definition, design, and validation of optimization hypotheses through digital experimentation programs.

• Monitor the performance of active initiatives by analyzing data to assess user interaction and drive continuous improvement in client conversion rates (CR).

• Design and execute qualitative and quantitative research activities to understand user needs, behaviors, and motivations, translating findings into actionable business opportunities.

• Analyze and synthesize information from diverse sources (research, digital analytics, benchmarks, experimentation results) to generate actionable insights and recommendations.

• Define empathy models such as scenarios, empathy maps, personas, or customer journeys to foster user understanding.

• Collaborate with UX, analytics, development, and business profiles to define data-based solutions that enhance digital experience and contribute to business objectives.

• Develop deliverables and presentations for diverse audiences, generating affinity maps to connect generated knowledge and detected insights, highlighting strong communication skills as essential.

📝 Enhancement Note: The responsibilities clearly indicate a strategic focus on conversion rate optimization (CRO) and digital product improvement, leveraging a blend of UX research, design, and data analysis. The emphasis on "mobile first" and "design systems" points towards modern UX practices.

🎓 Skills & Qualifications

Education: While not explicitly stated, a Bachelor's degree in Design, Human-Computer Interaction (HCI), Psychology, Computer Science, or a related field is typically expected for UX Designer roles. Equivalent practical experience will also be considered.

Experience: Minimum of 2-5 years of experience in UX Design, with a focus on interaction design, information architecture, and prototyping. Demonstrated experience in user research and data analysis for digital products is crucial.

Required Skills:

• Proven experience in interaction design, information architecture, and prototyping using tools such as Figma.

• Demonstrated experience in user research activities and the analysis and synthesis of findings.

• Strong ability to communicate design and research decisions clearly and structurally to diverse audiences.

• Solid understanding of usability, digital accessibility, and behavioral design principles applied to digital experience design and optimization.

• Proficiency with collaborative tools and user research platforms. Preferred Skills:

• Knowledge of digital analytics tools (e.g., Google Analytics, Adobe Analytics).

• Familiarity with Front-End technologies (HTML, CSS, JavaScript).

• Understanding of Design Thinking methodologies and tools.

• Keen interest in digital experience optimization and experimentation methodologies.

• High level of English proficiency (written and spoken).

📝 Enhancement Note: The "Sería conveniente que tengas" and "Sería interesante que tengas" sections directly translate to required and preferred skills, respectively. The emphasis on English proficiency suggests potential international project involvement or collaboration within the dentsu network.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Demonstrate a strong portfolio showcasing end-to-end UX design process for digital products, emphasizing problem definition, research, ideation, prototyping, and validation.

• Include case studies that highlight your ability to translate user insights and behavioral data into tangible design solutions and measurable business impact (e.g., conversion rate improvements).

• Showcase expertise in creating wireframes, user flows, interaction designs, and high-fidelity prototypes, preferably using Figma.

• Present examples of user research methodologies employed and how findings influenced design decisions and business outcomes. Process Documentation:

• Detailed documentation of UX design processes, including user research plans, synthesis of findings, and the rationale behind design decisions.

• Evidence of participation in or leadership of digital experimentation programs, including hypothesis definition, A/B test design, and analysis of results.

• Examples of how empathy maps, personas, or customer journeys were developed and utilized to inform design strategy.

• Demonstration of collaboration with cross-functional teams and effective communication of UX strategies and insights to stakeholders.

📝 Enhancement Note: Given the role's emphasis on data-driven optimization and experimentation, a portfolio that clearly articulates the process behind design decisions and quantifies their impact through metrics like conversion rate will be highly valued.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for a Mid-Level UX Designer in Spain (Gijón/Asturias), with 2-5 years of experience, and considering the hybrid work model and comprehensive benefits, an estimated annual gross salary range would be €30,000 - €45,000. This range can vary based on specific experience, skill set, and negotiation.

Benefits:

• Permanent contract (Contrato indefinido) – offering job security and long-term commitment.

• Private health insurance (Seguro médico privado) – for comprehensive personal and family healthcare coverage.

• Flexible schedule (Horario flexible) – allowing for better work-life integration.

• Summer schedule (Horario de verano) – a three-month period with adjusted working hours.

• Hybrid work format (Formato híbrido de teletrabajo) – combining remote and in-office work.

• Continuous training (Formación continua) – access to technical and soft skill courses via online platforms.

• Employee support service (Servicio de acompañamiento al empleado) – for personal and professional development support.

• Generous vacation days (Amplio número de días de vacaciones) – promoting work-life balance.

• Additional undisclosed benefits – to be discussed during the selection process.

Working Hours: The role is full-time with a flexible schedule, including a specific summer schedule for three months. While the standard full-time week in Spain is around 40 hours, the flexible nature of the role allows for adaptation.

📝 Enhancement Note: The salary estimate is based on general market data for UX Designers in Spain, adjusted for location and experience level. The listed benefits are directly extracted from the job description, highlighting the company's commitment to employee well-being and professional development.

🎯 Team & Company Context

🏢 Company Culture

Industry: Dentsu Aegis Network (DAN) operates within the global communications and advertising industry, with Merkle specializing in Customer Experience Management (CXM). This sector is characterized by rapid technological change, client-centric service delivery, and a strong emphasis on data, creativity, and strategic insights.

Company Size: Merkle is a significant entity within the dentsu group, employing a substantial number of professionals globally. Within Spain, they have offices in Madrid, Barcelona, and Gijón, indicating a robust and growing presence. This size offers opportunities for cross-functional collaboration and access to diverse expertise.

Founded: While the founding date of Merkle is not provided, dentsu's origins trace back over a century, giving the parent company a deep heritage in advertising and communications. Merkle itself has grown through strategic acquisitions and organic expansion to become a leader in CXM.

Team Structure:

• The UX Designer will be part of a collaborative, versatile, and problem-solving team within Merkle. This team focuses on digital experience optimization and is described as "fun&run," suggesting an agile and energetic environment.

• The reporting structure likely involves a UX Lead or Head of UX, with close collaboration with analytics, development, and business teams.

• Cross-functional collaboration is a core aspect, as the role requires working with various specialists to deliver integrated solutions. Methodology:

• Data analysis and insights are central, employing mixed quantitative and qualitative data models to understand user behavior and identify optimization opportunities.

• Workflow planning and optimization strategies are key, focusing on user-centered design and continuous improvement through experimentation.

• Automation and efficiency practices are implied through the use of design systems, prototyping tools, and A/B testing frameworks.

Company Website: https://www.merkle.com/es and https://www.dentsu.com/

📝 Enhancement Note: The description of Merkle as a Customer Experience Management company within the dentsu network positions this role at the intersection of creative strategy, technological implementation, and data-driven insights, a common and highly valued area in modern digital agencies.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as a Mid-Level UX Designer, typically requiring 2-5 years of experience. It involves taking ownership of specific UX optimization initiatives, conducting research, designing solutions, and monitoring their impact. The role requires independent work but also strong collaboration.

Reporting Structure: The UX Designer will report to a UX Lead or a similar management position within the Merkle team. They will work closely with other UX designers, researchers, data analysts, strategists, and development teams, fostering a collaborative, cross-functional environment.

Operations Impact: The UX Designer's work directly impacts client conversion rates, user satisfaction, and overall digital business performance. By identifying and implementing improvements to digital experiences, they contribute to client retention, revenue growth, and brand loyalty. The data-driven approach ensures that optimizations are aligned with business objectives.

Growth Opportunities:

• Specialization: Deepen expertise in specific areas like conversion rate optimization (CRO), behavioral design, accessibility, or user research methodologies.

• Skill Development: Advance proficiency in advanced prototyping, user research techniques, and analytics tools. Opportunity to gain experience with Design Thinking and digital experimentation frameworks.

• Leadership Potential: Progress to Senior UX Designer, UX Lead, or specialized roles like CRO Specialist or UX Researcher, potentially managing projects or small teams. The continuous training offered by Merkle supports career advancement.

📝 Enhancement Note: The role's focus on data analysis, A/B testing, and conversion rate optimization positions it within the broader "Revenue Operations" or "Growth Operations" ecosystem, even though the title is UX Designer. This blend of skills is highly sought after.

🌐 Work Environment

Office Type: The company offers a hybrid work format, combining remote work with office presence. The Gijón office is specifically mentioned, suggesting a physical workspace designed for collaboration and team interaction.

Office Location(s): The primary work location is Gijón, Spain. Dentsu/Merkle also has offices in Madrid and Barcelona, indicating a national presence and potential opportunities for interaction or collaboration with colleagues across different Spanish cities.

Workspace Context:

• The hybrid model allows for a flexible combination of focused individual work (likely remote) and collaborative team sessions (in-office).

• The office environment is expected to be equipped with the necessary tools and technology to support UX design, research, and collaboration.

• Opportunities for team interaction are provided through in-office days, fostering a sense of community and shared purpose within the "fun&run" and collaborative team culture.

Work Schedule: Full-time employment with a flexible schedule, including a specific summer schedule for three months. This flexibility aims to support work-life balance, crucial for creative and analytical roles that often benefit from non-traditional working hours.

📝 Enhancement Note: The hybrid model is a significant aspect of the work environment, offering flexibility while maintaining team cohesion and collaboration through in-office days.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: Likely a review of your CV and portfolio by an HR representative or hiring manager. Focus on clearly showcasing your UX process, data-driven approach, and relevant tool proficiency (especially Figma).

• Technical Interview: This stage will likely involve a deep dive into your portfolio, discussing specific case studies. Be prepared to explain your design decisions, research methodologies, problem-solving approach, and the impact of your work on business metrics (e.g., conversion rate). You may be asked to walk through a user journey or a specific optimization initiative.

• Skills Assessment/Challenge: A practical exercise might be given, such as a short design challenge, a heuristic evaluation of a given interface, or a request to propose optimization ideas based on provided data or scenarios. Prepare to articulate your thought process and recommendations.

• Team/Cultural Fit Interview: You'll meet with potential team members and managers to assess your fit within Merkle's collaborative and "fun&run" culture. Be ready to discuss your collaboration style, how you handle feedback, and your understanding of their values.

• Final Interview: Potentially with a senior leader to discuss your career aspirations and overall fit within the organization.

Portfolio Review Tips:

• Data-Driven Narrative: For each project, clearly articulate the business problem, the user needs identified through research, your design process, the specific optimization techniques used (A/B testing, personalization), and the quantifiable results (e.g., % increase in conversion rate, improved user satisfaction scores).

• Figma Proficiency: Highlight your skills with Figma, showcasing your ability to create wireframes, interactive prototypes, and high-fidelity designs, and how you leverage its features for collaboration and design systems.

• Research Synthesis: Demonstrate your ability to conduct qualitative and quantitative research and effectively synthesize findings into actionable insights that informed your design decisions.

• Communication Clarity: Present your work concisely and clearly, focusing on the "why" behind your decisions and the "what" of the outcomes. Be prepared to adapt your explanation for different audiences.

• Company Alignment: Research Merkle's work and client types. Tailor your portfolio presentation to highlight projects or skills that align with their focus on Customer Experience Management and digital optimization.

Challenge Preparation:

• Understand common UX challenges related to conversion rate optimization, user onboarding, and digital product enhancement.

• Practice articulating your problem-solving process, emphasizing data interpretation, user empathy, and iterative design.

• Be ready to discuss your familiarity with agile methodologies, Design Thinking, and experimentation frameworks.

📝 Enhancement Note: The emphasis on data, A/B testing, and conversion rate optimization is critical. Your portfolio and interview responses should consistently highlight how your UX work directly contributes to business objectives and revenue growth.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: Essential for interaction design, wireframing, prototyping, and creating high-fidelity designs. Expected proficiency in its collaborative features and design system capabilities.

• Prototyping Tools: Beyond Figma, familiarity with other prototyping tools might be beneficial, though Figma appears to be the primary requirement.

Analytics & Reporting:

• Google Analytics / Adobe Analytics: Knowledge of these tools is preferred for monitoring user behavior, analyzing data, and understanding the impact of optimizations.

• Heatmap & Session Recording Tools: Tools like Hotjar or similar for qualitative data analysis (e.g., heatmaps, user recordings) are implied by the mention of analyzing user interaction.

CRM & Automation:

• While not explicitly stated for the UX role, understanding how UX designs integrate with CRM systems (like Salesforce) or marketing automation platforms might be advantageous for cross-functional collaboration.

• Experimentation Platforms: Familiarity with A/B testing platforms (e.g., Optimizely, VWO) is highly relevant given the role's focus.

📝 Enhancement Note: The core technical requirements revolve around design and prototyping (Figma), with a strong emphasis on data analysis and experimentation. Proficiency in analytics tools is a significant plus.

👥 Team Culture & Values

Operations Values:

• Data-Driven Approach: Decisions are informed by user insights, behavioral data, and experimentation results. This emphasizes objective decision-making and measurable impact.

• User-Centricity: A fundamental principle of designing experiences that meet user needs and motivations, ensuring usability, accessibility, and satisfaction.

• Collaboration: Working effectively in cross-functional teams, sharing knowledge, and contributing to a collective problem-solving environment.

• Innovation & Creativity: Encouraging lateral thinking and developing innovative solutions within a dynamic "fun&run" environment.

• Continuous Improvement: A commitment to ongoing optimization and learning, driven by performance monitoring and experimentation.

Collaboration Style:

• Cross-functional Integration: Actively partnering with analytics, development, and business teams to ensure holistic and effective digital solutions.

• Feedback Exchange: A culture that embraces constructive feedback for iterative design improvements and professional growth.

• Knowledge Sharing: Encouraging the sharing of insights, best practices, and learnings across the team and wider organization.

📝 Enhancement Note: The emphasis on "fun&run" suggests a culture that is energetic, agile, and results-oriented, while still valuing collaboration and individual contribution.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing User Needs with Business Goals: A constant challenge in UX is to create optimal user experiences that also drive business objectives like conversion and revenue. This role requires strong analytical skills to bridge this gap.

• Data Interpretation and Synthesis: Effectively translating complex quantitative and qualitative data into actionable design insights and strategic recommendations.

• Adapting to Evolving Technologies and Trends: The digital landscape changes rapidly; staying current with UX best practices, tools, and methodologies is crucial.

• Managing Stakeholder Expectations: Communicating UX value and design rationale to diverse audiences, some of whom may have limited understanding of UX principles.

Learning & Development Opportunities:

• Operations Skill Advancement: Deepen expertise in conversion rate optimization (CRO), behavioral economics, advanced user research techniques, and digital experimentation.

• Industry Conference & Certification: Potential opportunities to attend industry events or pursue certifications relevant to UX, analytics, or digital strategy.

• Mentorship & Leadership: Opportunities to learn from senior team members, contribute to larger projects, and develop leadership skills within the Merkle/dentsu network. Continuous training programs are explicitly offered.

📝 Enhancement Note: The role presents a significant opportunity to develop skills in data-driven optimization, a highly valuable and in-demand area within digital operations and customer experience management.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you used user insights and data to drive a significant improvement in a digital product's conversion rate. What was your process, and what were the results?" (Focus on data analysis, UX process, and quantifiable impact).

• "How do you approach defining and prioritizing A/B tests or personalization initiatives? Can you walk us through an example of how you've used hypothesis-driven design?" (Highlight structured thinking, experimentation methodology, and business alignment).

• "How do you ensure your designs are accessible and adhere to usability principles, especially in a mobile-first context?" (Demonstrate understanding of UX best practices and standards). Company & Culture Questions:

• "What interests you about Merkle and dentsu's approach to Customer Experience Management?" (Research their work, client examples, and values).

• "How do you contribute to a collaborative and agile team environment like our 'fun&run' culture?" (Provide examples of teamwork, communication, and adaptability).

• "How do you measure the success of your UX initiatives beyond just conversion rate?" (Show a broader understanding of user satisfaction, engagement, and business impact). Portfolio Presentation Strategy:

• Storytelling with Data: For each case study, clearly articulate the problem, your process, the solution, and the measurable results. Use visuals effectively to showcase your design work and data insights.

• Highlight Figma Proficiency: Be prepared to demonstrate your skills in Figma, perhaps by sharing a live prototype or explaining how you use its features for collaboration and design systems.

• Focus on Impact: Emphasize how your UX work directly contributed to business objectives, such as increased conversion rates, improved user engagement, or enhanced customer satisfaction. Quantify wherever possible.

• Address Challenges: Be ready to discuss any challenges faced during projects and how you overcame them, showcasing your problem-solving skills and resilience.

📝 Enhancement Note: Emphasize the "data-driven" and "optimization" aspects throughout your preparation. Connect your UX skills directly to tangible business outcomes.

📌 Application Steps

To apply for this UX Designer position:

• Submit your application through the provided Workday link.

• Customize your Resume: Tailor your resume to highlight keywords from the job description, such as "UX Design," "Interaction Design," "Figma," "User Research," "A/B Testing," "Conversion Rate Optimization," and "Data-driven." Quantify your achievements with specific metrics.

• Prepare Your Portfolio: Ensure your portfolio is up-to-date and showcases your best work. Focus on case studies that demonstrate your end-to-end UX process, data analysis skills, and impact on business objectives. Make sure your Figma proficiency is evident.

• Research Merkle/dentsu: Understand their client base, core services (especially CXM), and company culture. Prepare to articulate why you are a good fit for their organization and how you can contribute to their client success.

• Practice Interview Responses: Rehearse answers to common UX interview questions, focusing on behavioral examples, your design process, and your ability to articulate data-driven strategies. Be ready to discuss your portfolio in detail.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.