Senior Product Designer

📍 Job Overview

Job Title: Senior Product Designer

Company: Smadex SLU

Location: Barcelona, Catalonia, Spain

Job Type: FULL_TIME

Category: Product Design / UX/UI

Date Posted: 2026-07-29

Experience Level: 5-10 years

Remote Status: Hybrid

🚀 Role Summary

• Own the end-to-end user experience strategy and design execution for key product initiatives within Smadex’s complex advertising technology (AdTech) ecosystem.

• Collaborate strategically with Product Managers and Engineering teams to influence product roadmap decisions and ensure user-centricity throughout the agile development lifecycle.

• Translate intricate concepts in creative technology, AI, and advertising platforms into intuitive, elegant, and user-friendly interfaces and workflows.

• Contribute to the evolution and application of the Smadex Design System, creating scalable interaction patterns and reusable components to enhance platform consistency.

• Leverage user research, prototyping, experimentation, and product analytics to validate design concepts and drive continuous user experience improvements.

📝 Enhancement Note: This role is positioned as a Senior Product Designer, indicating a need for significant autonomy and strategic input beyond typical design execution. The focus on AdTech and AI-powered products suggests a requirement for designing complex, data-rich applications where user efficiency and data interpretation are paramount. The hybrid work model implies a need for strong self-management and effective remote collaboration skills, alongside in-office presence for team synergy.

📈 Primary Responsibilities

• Lead the design process for designated product areas, encompassing user discovery, concept development, detailed UI/UX design, and seamless delivery to engineering.

• Act as a primary design advocate, ensuring user needs are central to product strategy and roadmap discussions with Product Management and Engineering stakeholders.

• Develop intuitive user journeys, efficient workflows, and elegant interfaces for both Mobile and Connected TV platforms, simplifying complex advertising technology.

• Design and maintain reusable interaction patterns and UI components within the Smadex Design System, promoting design consistency and accelerating development velocity.

• Conduct user research, usability testing, and A/B experiments to gather insights, validate design hypotheses, and inform iterative design improvements.

• Utilize product analytics and user feedback to measure the impact of design solutions and identify opportunities for optimization and innovation.

• Stay abreast of emerging trends in UX/UI design, AI-assisted design tools, design systems, and the AdTech landscape to inform future product development.

• Collaborate with Product Managers to define user stories and requirements, ensuring design feasibility and alignment with business objectives.

• Present design concepts, user flows, and final designs to cross-functional teams and stakeholders, articulating design rationale and impact.

📝 Enhancement Note: The responsibilities highlight a blend of strategic product involvement and hands-on design execution. The emphasis on "owning the user experience" and "influencing roadmap decisions" suggests a senior-level contribution that goes beyond task completion, requiring proactive engagement and thought leadership in product strategy.

🎓 Skills & Qualifications

Education: Bachelor's degree in Design, HCI, Computer Science, or a related field, or equivalent practical experience.

Experience:

• Minimum of 5 years of progressive experience in digital product design, specifically within SaaS, B2B software, or complex technology platforms.

• Demonstrated experience in designing for data-rich applications, complex workflows, or dashboard interfaces.

• Proven track record of successfully shipping digital products from conception to launch. Required Skills:

• Expert Proficiency in Figma: Including advanced features for prototyping, component creation, variant management, and design system implementation.

• End-to-End Product Design: Comprehensive understanding and practical application of the full design lifecycle, from user research and ideation to detailed UI design and handover.

• User Experience (UX) Design: Deep knowledge of user-centered design principles, usability heuristics, and information architecture.

• Interaction Design (IxD): Skill in defining user flows, micro-interactions, and intuitive navigation patterns.

• Design Systems: Experience in contributing to, evolving, or building scalable design systems and component libraries.

• Prototyping: Ability to create interactive prototypes at various fidelities for concept validation and user testing.

• User Research & Validation: Experience conducting user interviews, usability testing, and interpreting research findings to inform design decisions.

• Agile Methodologies: Comfort and experience working within agile development frameworks, collaborating closely with Product Managers and Engineers.

• Communication & Presentation: Excellent verbal and written communication skills, with the ability to articulate design decisions clearly and persuasively to diverse stakeholders.

Preferred Skills:

• Experience in the programmatic advertising or AdTech industry.

• Experience designing AI-powered products, automation tools, or workflow optimization applications.

• Familiarity with front-end development principles, including HTML and CSS, to understand technical constraints and possibilities.

• Experience with user analytics platforms and interpreting data for design optimization.

• Experience with A/B testing design variations.

📝 Enhancement Note: The required skills emphasize advanced proficiency in Figma and a holistic approach to product design. The preferred skills indicate that domain-specific knowledge in AdTech, AI, and front-end development will be highly advantageous, suggesting opportunities for candidates with these backgrounds to stand out. The 5+ years of experience aligns with a Senior role, expecting strategic contributions and mentorship capabilities.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• A robust portfolio showcasing end-to-end product design projects that demonstrate your process from initial problem definition through to shipped products.

• Case studies should clearly articulate the problem statement, your role and contributions, design challenges, research methodologies, design solutions, and measurable outcomes.

• Highlight specific examples of designing complex workflows, data visualizations, or dashboard interfaces.

• Include examples of your work with design systems, showcasing your ability to create and utilize scalable components and patterns.

• Demonstrate proficiency in Figma, including interactive prototypes, component libraries, and design system integration within your projects. Process Documentation:

• Clearly outline your design process, emphasizing user-centric methodologies, iterative design, and collaboration with cross-functional teams.

• Provide examples of how you have used user research, data analytics, and A/B testing to validate and refine design solutions.

• Illustrate your approach to contributing to or managing design systems, including component creation, documentation, and adoption strategies.

• Showcase how you translate complex technical requirements into intuitive user experiences.

📝 Enhancement Note: A strong portfolio is critical for this role, not just for showcasing visual design skills, but for demonstrating a deep understanding of the product development lifecycle, user research, and the ability to solve complex design problems within a B2B SaaS context. Specific examples of designing for data-intensive or workflow-oriented applications will be highly valued.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for Senior Product Designers in Barcelona, Spain, with 5-10 years of experience in SaaS/AdTech, a competitive annual salary range is estimated between €55,000 and €75,000. This range can vary based on the candidate's specific experience, skills, and the outcome of salary negotiations.

Benefits:

• Competitive compensation package.

• Private Health Insurance.

• Professional development opportunities, including a LinkedIn Learning subscription and other training initiatives.

• Meal vouchers (Ticket Restaurant monthly allowance).

• Monthly gym allowance (options include DiR Gym and Wellhub).

• 2 days per week work from home flexibility.

• Flexible working hours.

• Private Health Insurance.

• Monthly TGIF events and regular team-building initiatives.

• Access to a well-equipped penthouse office in a prime Barcelona location with a rooftop terrace and barbecue.

• Fully stocked fridge in the office.

Working Hours: Full-time position, typically around 40 hours per week, with flexible working hours and 2 days per week work-from-home option.

📝 Enhancement Note: The salary range provided is an estimate based on market data for senior design roles in Barcelona and the specific industry (AdTech/SaaS). The benefits package is comprehensive, with a strong emphasis on work-life balance, professional growth, and employee well-being, which are attractive incentives for experienced professionals.

🎯 Team & Company Context

🏢 Company Culture

Industry: Advertising Technology (AdTech) / Mobile Advertising / Demand Side Platform (DSP). Smadex operates within a fast-paced, data-driven sector focused on optimizing digital advertising campaigns.

Company Size: Smadex is part of Entravision (NYSE: EVC), a publicly traded company. Smadex itself is a significant player in the AdTech space with revenues over $100M, indicating a substantial operational scale and a dynamic, growth-oriented environment.

Founded: Smadex was founded in Barcelona in 2010. Its acquisition by Entravision in 2018 signifies a maturity in its business model and integration into a larger corporate structure, while likely retaining an entrepreneurial spirit.

Team Structure:

• The Product team is likely structured with dedicated Product Managers, Product Designers (including this Senior role), and Engineering teams, fostering cross-functional collaboration.

• The Senior Product Designer will report to the Director of Creative Products, indicating a clear hierarchy and strategic oversight within the design function.

• Expect close collaboration with Engineering teams working in an agile methodology, and with Product Managers to align on roadmaps and user needs. Methodology:

• Data-Driven Design: Emphasis on using product analytics, user research, and experimentation to inform design decisions and measure impact.

• Agile Development: Collaboration within an agile framework, involving iterative design sprints and close partnership with engineering.

• Design Systems: A commitment to building and leveraging a robust design system for consistency, scalability, and efficiency across the product suite.

• User-Centricity: A core focus on understanding and addressing advertiser needs through intuitive and effective product experiences.

Company Website: https://smadex.com/

📝 Enhancement Note: Smadex operates in a competitive and evolving AdTech landscape. The company culture likely values innovation, data-driven decision-making, and a collaborative spirit, especially given its international workforce. The Senior Product Designer will be instrumental in shaping user experiences that drive value for advertisers in a complex technological domain.

📈 Career & Growth Analysis

Operations Career Level: This role is classified as a Senior Product Designer. It signifies a position of significant responsibility, requiring not only advanced design skills but also the ability to lead design initiatives, mentor junior designers (potentially), and contribute strategically to product direction. The role expects an individual capable of working autonomously and driving complex projects to completion.

Reporting Structure: The Senior Product Designer will report directly to the Director of Creative Products. This indicates a clear leadership path within the design department and opportunities to influence creative product strategy at a higher level.

Operations Impact: The Senior Product Designer will have a direct impact on the usability, efficiency, and perceived value of Smadex's advertising technology platform. By creating intuitive interfaces for complex tools, the role directly contributes to advertiser success, campaign performance optimization, and ultimately, revenue growth for the company. The ability to simplify complex AdTech into elegant user experiences is a key driver of customer adoption and satisfaction.

Growth Opportunities:

• Design Leadership: Potential to grow into a Lead Product Designer or Design Manager role, overseeing larger product areas or managing a team of designers.

• Specialization: Opportunity to deepen expertise in specific areas like AI-assisted design, advanced data visualization, or complex workflow design within the AdTech domain.

• Product Strategy: Increased involvement in product strategy and roadmap planning, contributing design vision to future product development.

• Mentorship: Opportunity to mentor junior designers and contribute to the overall design talent development within Smadex.

• Cross-functional Advancement: Potential to move into product management roles or other strategic positions within the company by leveraging a deep understanding of user needs and product development.

📝 Enhancement Note: The Senior title implies a career trajectory beyond individual contribution, with avenues for leadership, strategic influence, and specialization within the AdTech product space. The emphasis on AI and complex technology suggests that continuous learning and adaptation will be key to long-term growth.

🌐 Work Environment

Office Type: The company offers a hybrid work model, with employees expected to be in the office 3 days per week. The office is described as a "penthouse office with a rooftop terrace, barbecue," indicating a modern, attractive, and potentially collaborative workspace designed to foster team interaction and provide an appealing environment.

Office Location(s): Barcelona, Spain, specifically in a prime location. The penthouse setting suggests a desirable and potentially inspiring work environment conducive to creative thinking and team cohesion.

Workspace Context:

• Collaborative Environment: The hybrid model and appealing office amenities suggest a culture that values in-person collaboration, team building, and spontaneous idea exchange.

• Tools & Technology: Access to modern design tools (Figma is explicitly mentioned) and likely other relevant software for product development and communication.

• Team Interaction: Opportunities for regular interaction with talented marketers, engineers, and designers from over 40 countries, fostering a diverse and intellectually stimulating atmosphere.

Work Schedule: The role includes flexible working hours and a hybrid arrangement (2 days work from home, 3 days in office), providing a balance between focused work, team collaboration, and personal flexibility.

📝 Enhancement Note: The description of the office and the hybrid/flexible work arrangement points to a company that prioritizes employee well-being and a positive work culture. For a Senior Product Designer, this environment should support both deep, focused work and vibrant team collaboration.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your resume and portfolio to assess suitability for the Senior Product Designer role. Be prepared to articulate your design philosophy and highlight relevant experience.

• Portfolio Presentation & Design Challenge: You will likely be asked to present your portfolio, focusing on 2-3 key projects that demonstrate your end-to-end design process, problem-solving skills, and impact. A design challenge or exercise may be given to assess your approach to a specific problem, your Figma proficiency, and your ability to think critically under pressure.

• Stakeholder Interviews: Interviews with the Director of Creative Products, Product Managers, and Engineering leads to evaluate your technical skills, collaboration style, and cultural fit within the team. Expect questions about your experience with complex systems, agile development, and stakeholder management.

• Final Interview: Potentially with higher-level management to discuss your strategic vision and long-term fit with the company.

Portfolio Review Tips:

• Curate Strategically: Select projects that best showcase your experience with SaaS, B2B software, complex workflows, data-rich applications, and design systems. Prioritize quality over quantity.

• Tell a Story: For each case study, clearly articulate the problem, your role, the challenges, your methodology, the solution, and the impact. Use visuals effectively to illustrate your process and outcomes.

• Highlight Figma Proficiency: Ensure your portfolio demonstrates advanced Figma usage, including interactive prototypes, component libraries, and design system contributions.

• Quantify Impact: Whenever possible, include metrics or data that demonstrate the success of your designs (e.g., improved conversion rates, reduced task completion time, increased user satisfaction).

• Tailor to Smadex: Research Smadex’s products and target audience. Frame your experience and case studies in a way that shows how you can address their specific challenges in the AdTech space.

Challenge Preparation:

• Understand the Domain: Familiarize yourself with basic AdTech concepts, mobile advertising, and connected TV advertising to better understand the context of Smadex's products.

• Practice Problem-Solving: Be ready to tackle hypothetical design problems related to user onboarding, feature design, or workflow optimization within a complex SaaS environment.

• Articulate Your Process: Clearly explain your thought process, the assumptions you make, the user research you would conduct, and the design decisions you would propose.

• Figma Skills: Be prepared to demonstrate your Figma skills in real-time or discuss your workflow for creating wireframes, mockups, and prototypes.

📝 Enhancement Note: The interview process is expected to be thorough, focusing on practical design skills, strategic thinking, and collaborative capabilities. A well-prepared portfolio that clearly demonstrates problem-solving within complex B2B/SaaS environments will be crucial.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: The primary tool for UI/UX design, prototyping, and design system management. Expert proficiency is a must.

• Prototyping Tools: Likely integrated within Figma, but familiarity with other advanced prototyping tools may be beneficial.

• User Research Platforms: Tools for conducting remote usability tests and gathering qualitative feedback (e.g., UserTesting, Maze, Lookback).

• Collaboration Tools: Slack, Jira, Confluence for team communication, project management, and documentation.

Analytics & Reporting:

• Product Analytics Tools: Experience with tools like Amplitude, Mixpanel, or Google Analytics to track user behavior, measure feature adoption, and understand product usage patterns.

• Data Visualization Tools: Familiarity with presenting data insights, potentially through dashboards or reports generated from analytics platforms.

CRM & Automation:

• While not directly a designer's tool, understanding how CRM systems (like Salesforce) and marketing automation platforms integrate with user-facing products can be advantageous.

• Familiarity with AI-powered design tools or features that can assist in the design process.

📝 Enhancement Note: Proficiency in Figma is non-negotiable. The role also requires comfort with data analytics tools to inform design decisions and a general understanding of the product development ecosystem, including agile workflows and collaboration platforms. Familiarity with AI-assisted design tools is a plus, aligning with the company's focus.

👥 Team Culture & Values

Operations Values:

• Innovation & Agility: A culture that encourages new ideas, rapid iteration, and adaptation to the fast-paced AdTech market.

• Data-Driven Decision Making: A strong emphasis on using data and user insights to guide product development and design choices.

• Collaboration & Transparency: Open communication and close teamwork across Product, Engineering, and Design functions.

• User-Centricity: A commitment to understanding and solving customer problems through intuitive and effective product design.

• Excellence: Striving for high quality in product delivery and user experience, with attention to detail.

Collaboration Style:

• Cross-Functional Partnership: Close working relationships with Product Managers to define strategy and engineers to ensure seamless implementation.

• Design System Advocacy: Working collaboratively to build, maintain, and promote the consistent use of the design system across the organization.

• Feedback-Driven: An environment where constructive feedback is shared openly and used for continuous improvement of both products and processes.

• Global Perspective: Integration with a diverse team of professionals from over 40 countries, fostering a rich exchange of ideas and perspectives.

📝 Enhancement Note: The culture appears to be a blend of high-performance, data-informed decision-making, and a supportive, international work environment. For a Senior Designer, contributing to this collaborative and innovative atmosphere while advocating for user needs will be key.

⚡ Challenges & Growth Opportunities

Challenges:

• Designing for Complexity: Translating intricate AdTech functionalities, AI capabilities, and data-driven workflows into user-friendly interfaces for complex B2B SaaS products.

• Balancing Stakeholder Needs: Effectively managing expectations and design requirements from Product Management, Engineering, and potentially Sales/Marketing teams.

• Adopting New Technologies: Staying current with rapidly evolving technologies in AI and AdTech and integrating them thoughtfully into product design.

• Maintaining Design System Scalability: Ensuring the design system can effectively support new features and evolving product needs across multiple platforms (Mobile, CTV).

Learning & Development Opportunities:

• AdTech Domain Expertise: Deep dive into the nuances of programmatic advertising, DSPs, and campaign optimization strategies.

• AI in Design: Explore and implement AI-assisted design tools and workflows to enhance efficiency and creativity.

• Advanced UX/UI Techniques: Continuous learning in areas like complex data visualization, advanced interaction design, and user research methodologies.

• Leadership Skills: Opportunities to develop mentorship and leadership capabilities through senior role responsibilities.

• Industry Exposure: Access to professional development resources like LinkedIn Learning and potential for attending industry events.

📝 Enhancement Note: The role presents significant opportunities for professional growth by tackling complex design challenges in a cutting-edge industry. The challenges are directly linked to the learning opportunities, allowing for skill development in high-demand areas like AdTech, AI, and advanced design systems.

💡 Interview Preparation

Strategy Questions:

• "Describe your process for designing a complex workflow for a B2B SaaS product. How would you ensure it's intuitive and efficient?" (Prepare a case study focusing on workflow design, emphasizing user research, iterative design, and validation.)

• "How do you approach collaborating with Product Managers and Engineers in an agile environment to influence product direction and ensure user needs are met?" (Provide examples of successful cross-functional collaboration and how you've championed user-centricity.)

• "Imagine we are designing a new AI-powered feature for creative optimization. What would be your initial steps in designing this feature, and how would you validate its usability?" (Focus on your process for tackling novel, AI-driven features, including ideation, prototyping, and research strategies.) Company & Culture Questions:

• "What interests you about Smadex and the AdTech industry specifically?" (Research Smadex's market position, products, and recent news. Connect your skills and interests to their business.)

• "How do you contribute to a positive and collaborative team environment, especially in a hybrid work setting?" (Discuss your communication style, experience with feedback, and how you foster team cohesion.)

• "How do you ensure consistency and scalability in your designs, particularly when working with a design system?" (Be ready to discuss your experience with design systems, component libraries, and best practices for maintaining consistency.) Portfolio Presentation Strategy:

• Structure Your Narrative: For each chosen project, clearly define the problem, your role, the business/user goals, your design process, key decisions made (and why), challenges faced, and the final outcomes (quantified where possible).

• Showcase Figma Mastery: Be prepared to walk through your Figma files, demonstrating your understanding of components, variants, auto-layout, prototyping capabilities, and design system integration.

• Focus on Impact: Emphasize the business value and user benefits derived from your design solutions. Use metrics and user feedback to support your claims.

• Be Ready for Scrutiny: Anticipate questions about your design choices, alternative solutions you considered, and how you handled trade-offs. Be confident and articulate in defending your decisions.

📝 Enhancement Note: Interview preparation should focus on demonstrating a strategic, user-centric approach to product design, with a strong emphasis on practical application, collaborative skills, and a deep understanding of complex B2B/SaaS environments. Your portfolio and presentation are key to showcasing these abilities.

📌 Application Steps

To apply for this Senior Product Designer position:

• Submit your application through the provided application link.

• Customize Your Resume: Tailor your resume to highlight your 5+ years of experience in SaaS/B2B product design, explicitly mentioning your expertise in Figma, end-to-end product design, complex workflows, and design systems. Use keywords from the job description.

• Curate Your Portfolio: Prepare a strong portfolio that showcases 2-3 relevant case studies demonstrating your process for solving complex design problems, your proficiency in Figma, and your contributions to design systems. Ensure it clearly articulates the impact of your work.

• Prepare Your Presentation: Practice presenting your portfolio and design case studies, focusing on clear storytelling, articulating design rationale, and demonstrating your problem-solving approach. Be ready to discuss your experience with agile methodologies and cross-functional collaboration.

• Research Smadex: Understand Smadex's business, products, and target audience. Familiarize yourself with the AdTech industry and potential design challenges within this domain.

⚠️ 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.

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