Smadex is a leading advertising technology company founded in Barcelona in 2010 and acquired by US-based, publicly traded Entravision (NYSE: EVC) in 2018. We are one of the top mobile ad-tech companies in the world and the largest Demand Side Platform (DSP) based in Europe, with revenues over $100M and consistently growing year over year.
As a Senior Product Designer within the Product team, you will own the user experience strategy and design execution for user-facing initiatives in our product ecosystem. Working alongside the Director of Creative Products , Product Managers and Engineering, you will transform complex advertising technology into intuitive, elegant experiences that help advertisers create, optimise and measure high-performing creatives across Mobile and Connected TV.
This position is based in Barcelona (hybrid).
Role's tasks and responsibilities
- Own the user experience for one or more Products, from discovery and concept development through to detailed design and delivery.
- Partner closely with Product Managers and Engineering to shape product direction,



influence roadmap decisions and ensure user needs are represented throughout the product development lifecycle.
- Design intuitive user journeys, workflows, interfaces and prototypes that simplify complex creative, AI and advertising technology into elegant product experiences.
- Contribute to and evolve the Smadex Design System, creating scalable interaction patterns and reusable components that improve consistency across the platform.
- Validate concepts through prototyping, user research, experimentation and product analytics, using data and feedback to continuously improve the user experience.
- Stay at the forefront of UX, AI-assisted design, design systems and emerging technologies, helping shape the future of Creative Products at Smadex.

Role's skills and requirements
- 5+ years' experience designing digital products for SaaS, B2B software or technology platforms.
- Strong portfolio demon

📌 Senior Product Designer (España)
🏢 Smadex Slu
📍 España