Hello, I’m Jhair!
Sociologist turned
Product Designer.
Madrid, Spain
Jhair G.
User Research
UX Systems
AI Prototyping
Conversion
I turn complex product systems into clear, high-converting experiences.
Selected work
Product Design | UX research | B2C
Checkout Redesign for a Pre-order E-commerce Platform
Reducing failed purchases in a mobile-first checkout for creator-led pre-order campaigns. ↓ 89% failed purchase attempts
Dashbook.fr
View case study
UX/UI Design | UX research | B2B
Building a Scalable B2B Dashboard for a Creator Publishing Platform
Improving clarity, trust, and royalties management for authors. ↓ support tickets by 70%, lowering operational support load.
Dashbook.fr
View case study
UX/UI Design | UX research | Product Design
Cutting Setup Time in an Internal Content Publishing Tool for High-Volume Pre-order Operations
Improving structure, feedback, and asset management to reduce setup time from 1h20 to 40 minutes and support high-volume campaign production.
Dashbook.fr
View case study
I care deeply about clarity, trust, and usability—especially in products that handle data, money, or critical user decisions. I believe good design reduces friction, builds confidence, and helps people focus on what really matters.
Get to know me
Jhair Guardia - Product Designer
I studied how people behave.
Now I design
with it.
I turn complex product systems into clear, high-converting experiences.
Madrid, Spain
Jhair G.
User Research
UX Systems
AI Prototyping
Conversion
Selected work
Product Design | UX research | B2C
Checkout Redesign for a Pre-order E-commerce Platform
Reducing failed purchases in a mobile-first checkout for creator-led pre-order campaigns. ↓ 89% failed purchase attempts
Dashbook.fr
View case study
UX/UI Design | UX research | B2B
Building a Scalable B2B Dashboard for a Creator Publishing Platform
Improving clarity, trust, and royalties management for authors. ↓ support tickets by 70%, lowering operational support load
Dashbook.fr
View case study
Product Design | In-house software | AI Prototyping
Cutting Setup Time in an Internal Content Publishing Tool for High-Volume Pre-order Operations
Improving structure, feedback, and asset management to reduce setup time from 1h20 to 40 minutes and support high-volume campaign production.
Dashbook.fr
View case study
I care deeply about clarity, trust, and usability—especially in products that handle data, money, or critical user decisions. I believe good design reduces friction, builds confidence, and helps people focus on what really matters.
Get to know me
Jhair Guardia - Product Designer
I studied how people behave.Now I design
with it.
Madrid, Spain
Jhair G.
User Research
UX Systems
AI Prototyping
Conversion
With a background in sociology, I bring a behavioral lens to UX focusing on the moments where friction, trust, and user confidence directly impact business outcomes.
Selected work
Product Design | UX research | B2C
Checkout Redesign for a Pre-order E-commerce Platform
Reducing failed purchases in a mobile-first checkout for creator-led pre-order campaigns. ↓ 89% failed purchase attempts
Dashbook.fr
View case study
UX/UI Design | UX research | B2B
Building a Scalable B2B Dashboard for a Creator Publishing Platform
Improving clarity, trust, and royalties management for authors. ↓ support tickets by 70%, lowering operational support load.
Dashbook.fr
View case study
Product Design | In-house software | AI Prototyping
Cutting Setup Time in an Internal Content Publishing Tool for High-Volume Pre-order Operations
Improving structure, feedback, and asset management to reduce setup time from 1h20 to 40 minutes and support high-volume campaign production.
Dashbook.fr
View case study
I care deeply about clarity, trust, and usability—especially in products that handle data, money, or critical user decisions. I believe good design reduces friction, builds confidence, and helps people focus on what really matters.
Get to know me