Senior UI/UX Designer - Human Machine Interaction

An innovative Barcelona-based company focused on revolutionizing the way energy is used is looking for a passionate UX/UI designer to lead the company’s new sustainability-centred products – specifically focusing on HMI design for physical products. 

What do they need you to do? Assist in creating HMI-focused interactions for the company’s products internationally, helping the worldwide sustainable energy revolution reach every corner of the planet. This is a critical position in a cutting-edge industry – ideal for career climbers looking for a high-performing, rewarding role.

What’s in it for you? Great Benefits | Language Classes | Team events | Innovation position in a sustainable industry | Office-based flexible hours & Fri PM off | Relocation package available | Incredible offices by the port in Barcelona


  • Translating high-level needs and requirements into seamless interactions and intuitive UI.
  • Collaborating closely with the Product Managers, Engineers and UX colleagues to develop the company’s design, brand, and product experience for a particular product vertical.
  • Speedily creating and validating multiple concepts and prototypes for products in collaboration with real users.
  • Planning and executing your work in a data-driven way with both quantitative and qualitative techniques.
  • Developing wireframes and mockups to optimise and improve the existing company products.
  • Test out mockups with real users and implement feedback to shape optimisation.


  • 4+ years’ experience designing consumer-focused digital with excellent all-round skills and a track record in HMI design.
  • Proven experience with UI design patterns and standard UCD methodologies.
  • You’ll have examples of your work building excellent, well-thought through user flows for interactions and products. 
  • You’ll have past form working in fast-paced agile companies and collaborating with cross-functional teams in different departments.
  • Attention to detail is key, but you’ll balance with fast problem-solving skills - everything from a simple sketch to high-fidelity prototypes and models.
  • You’ll be proficient at Figma Invision and prototyping tools, as well as other collaborative design tools.
  • Strong knowledge of motion graphics and transitions. 

This is a great opportunity to take your career to the next level in Barcelona with one of Europe’s most innovative, sustainable and high-performing companies. They’re looking for a top-level agile, skilled UX/UI designer with HMI experience to create physical products to launch in new markets around the world.

Like the sound of an ambitious workplace, flexible hours, Fridays off and great benefits and salary in a cutting-edge industry located in Barcelona? Send your CV and portfolio to our recruitment experts at Prosperity Recruitment today!

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