Product Designer

Antai Ventures is a Barcelona-based venture studio with presence across Southern Europe and Latam. Since 2012 we have co-founded more than 28 companies including Glovo Wallapop Nemuru Platanomelón and Vitaance. Our ventures have raised over $1.5B in funding generated more than $3B in shareholder value and today employ more than 3000 people.

We are looking for an AI-native Product Designer to join our Product & Tech team in Barcelona.

This is not a traditional design role. We want someone who is deeply product-minded highly hands-on and excited about designing in a world where AI changes how products are conceived prototyped and shipped. You should be comfortable not only designing interfaces but also using AI tools agentic systems and AI-assisted building workflows to move faster explore more ideas and help bring products to life.

What you will do

• Design end-to-end product experiences from discovery and flows to polished UI and detailed interactions.

• Turn complex user needs business goals and data into simple intuitive and high-quality product experiences.

• Own the user experience across the full product lifecycle: research ideation prototyping testing and execution.

• Work closely with product managers engineers data scientists growth sales and marketing to define and ship new products and features.

• Create clear implementation-ready designs that engineers can build from with speed and confidence.

• Build and evolve design systems interaction patterns and reusable components.

• Prototype fast and often using both traditional design tools and AI-powered tools to validate ideas early.

• Use AI workflows and agentic systems to improve how you research generate concepts test ideas and accelerate execution.

• Act as the voice of the user while balancing product ambition technical feasibility and speed.

• Help the team explore new ways of working at the intersection of design product and AI.

What we are looking for

• You have experience as a Product Designer with a strong portfolio showing end-to-end product thinking across multiple projects.

• You are an excellent UX/UI designer but also highly pragmatic and execution-oriented.

• You are AI-native in the way you work: you actively use AI tools to research think prototype write generate iterate and ship faster.

• You are comfortable using or experimenting with agentic systems AI copilots automation workflows and multi-step AI tools as part of your design process.

• You have built prototypes yourself or used AI-assisted coding / low-code / no-code tools to bring ideas to life without always depending on engineering first.

• You enjoy prototyping and testing ideas quickly and you are excited by the idea of turning concepts into working experiences in days not weeks.

• You can go from ambiguity to clarity and are comfortable working in fast-moving early-stage environments.

• You communicate clearly and can influence cross-functional teams with strong reasoning and product judgment.

• You are comfortable with research user testing analytics experimentation competitor analysis and defining product metrics.

• You have solid experience with Figma.

• You care deeply about product quality user empathy and craft.

• You are fluent in Spanish and English.

Bonus points if

• You have worked on 01 products startups venture studios or fast-paced product teams.

• You have built internal tools growth experiments or MVPs yourself using AI-assisted workflows.

• You are genuinely excited about how AI is reshaping product design product development and company building.

What we offer

• Full-time role based in Barcelona.

• The opportunity to work on ambitious products with top-tier founders and operators.

• A young fast-moving and highly entrepreneurial environment.

• Exposure to multiple ventures and real product-building from day one.

• Strong growth opportunity within one of Europes leading venture studios.

• Beautiful seaside offices in front of La Barceloneta.

Required Experience:

IC