mediasmart

AdTech

ProductDesigner

€38–55k ~AI est. Spain
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Mid+ candidates.

The Brief

“Product Designer at mediasmart. Skills: UX thinking, Visual design, Design systems. Design complex features and workflows. Create intuitive experiences for data-rich interfaces”

What You'll Achieve.

Improved usability and efficiency; Consistent and scalable design patterns; Faster design-to-development workflows; Improved implementation quality; Increased user satisfaction; Reduced friction in key advertiser workflows; Proactive identification and delivery of UX improvements; Measurable business impact; Successful delivery of multiple high-impact initiatives

Industry & Context.

AdTech
Problems you'll solve

Solving complex problems

What They're Looking For.

Must Have

3–5 years of experience as a Product Designer, UX/UI Designer, or similar role, Advanced proficiency in Figma, Experience designing complex web applications, Understanding of UX principles, interaction design, information architecture, and visual design, Demonstrated experience building or maturing design systems and processes, Ability to manage multiple projects and stakeholders independently, Experience collaborating with Product Managers and Engineering teams, Intermediate/Advanced English skills

Nice to Have

Experience within AdTech, Programmatic Advertising, MarTech, or B2B SaaS environments, Practical use of AI tools in product design workflow, Basic understanding of HTML and CSS, Experience conducting user research, usability testing, or customer interviews independently, Familiarity with analytics tools, experimentation frameworks, and data-informed design practices

What You'll Do.

Design complex features and workflows

Create intuitive experiences for data-rich interfaces

Maintain and evolve the company’s design system and

Collaborate closely with Product Managers and Front-End Engineers

Manage multiple design initiatives simultaneously

Identify UX opportunities proactively

Propose improvements that enhance usability

high-fidelity designs

Document design decisions

Provide detailed design handoff documentation

Partner with engineering teams to ensure high-quality implementation

Contribute to establishing and strengthening design processes

Advocate for user-centered design principles

Support product teams in translating complex requirements into

How You'll Work.

Team & Collaboration

Product Managers; Engineering teams; Cross-functional stakeholders; Product and engineering teams; Product Managers and Front-End Engineers; Product, Engineering, and Design stakeholders

Communication Scope

Articulate design rationale

Process & Methodology

Agile product organizations

Full Job Description

Product Designer Location: EMEA (Preferable in Spain) The Product Designer will play a key role in shaping the user experience and design foundation of mediasmart’s platform, helping advertisers and internal teams navigate complex programmatic workflows with clarity and efficiency. This role will work closely with Product Managers, Engineering teams, and cross-functional stakeholders to design scalable solutions across campaign management, audience segmentation, analytics, reporting, and optimization experiences. A major focus of the role will be creating intuitive user experiences for data-heavy workflows while maintaining and evolving a robust design system that supports multiple products and development teams. The ideal candidate combines strong UX thinking, visual design excellence, and systems thinking. They are comfortable working autonomously, proactively identifying opportunities for improvement, and collaborating closely with product and engineering teams in a fast-paced environment. This is an exciting opportunity for someone passionate about solving complex problems, designing sophisticated B2B products, and helping scale a global AdTech platform used by advertisers around the world. OUR CULTURE AND VALUES Be a generous leader. One that helps others succeed and celebrate their success. Love curiosity. Keep learning and stay relevant. It’s a team effort. Collaborate and cooperate to build a smart company. Go further. Be an example for others. Set the bar. Strong ownership of the role. Love what we do. Love our work with passion and respect. Do good and do well. Our work matters. We are absolutely devoted to our customers and to building the best advertising technology company out there. We work hard and never forget to have fun in the process. SUMMARY & DUTIES Design complex features and workflows for mediasmart’s programmatic platform, including campaign management, audience segmentation, analytics, reporting, and optimization tools. Create intuitive expe

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