I am Andreu Mariner, designer and frontend developer. I work with a hybrid approach that allows me to create end-to-end digital products: from branding strategy to code architecture. I am especially interested in how design becomes a system, how code can be a creative tool, and how artificial intelligence amplifies the way we think about and build products.
Why hiring a strategic freelance web designer isn't a risk, but a competitive advantage. Discover the 5 systems that protect your investment.
Exploration projects without a client, without a deadline, and without a budget are the ones that have taught me the most. Here's how my experimentation practice works.
A design system is not just a component library. It's the visual and technical grammar that keeps a product coherent as it scales.
AI has arrived in web design to stay. But using it well requires knowing when it helps and when it replaces the critical thinking a professional cannot delegate.
Frontend is not just 'the visual part'. The choice of technology stack determines performance, maintainability and the real user experience.
Animations in a digital product are not decoration. They are communication. Here's how I decide when to use motion and when to suppress it.
Branding is not a nice logo. It's the system of perceptions that makes a client choose you over someone else. Here's what it actually involves.
Being a freelance web designer is not just a way of working. It's a way of living, with real consequences for how you think, decide, and relate to others.
The architecture of a digital product, its speed, its navigation logic: all of that matters more than the color palette. This is how I think about product design.
Before investing in specialized freelance web design, find out if your business has the maturity needed — or if a redesign right now would be a strategic mistake.
Discover what the technological ecosystem, conditions, and daily life are like for a freelance web developer and designer in Castellon.
Work culture is the invisible system that connects how I think, how I design, how I write code, and how I collaborate with others.
Understanding product design as a decision-making system to provide clarity and execution through explicit criteria.