01 / ConservationWeb development
What You Carry
An immersive bilingual campaign exposing the hidden cost of wildlife trafficking in Costa Rica.
Josue Somarribas / UX Engineer & CRO Developer
I design the experience.
Then I build it.
Research, interface design, production front-end and experimentation. I work where product decisions become code.
Based in Spain · Working globally · 8+ years of experience
Friction
People hesitate at pricing.
Clearer plan details help people choose.
const test = { variant: 'B', change: 'clarity'};deploy(test);CompareControl / variant
Outcome + guardrails
Outcome + guardrails
Illustrative workflow · not client results
User research
Identify what gets in the way.
Experiment design
Turn signals into testable decisions.
Production front-end
Build interfaces ready to ship.
Analytics & QA
Protect the release and the learning.
01 / Client work
Designed for real people.
Built for the web.
Four different briefs, from conservation storytelling to artist websites and digital platforms.
02 / Performing artsDesign & development
Andrés Tenor
A distinctive website for opera and bolero tenor Andrés Rodríguez, based in Barcelona.
03 / ConstructionFramer
Rofka Projects
A digital presence for a Costa Rican construction company, from planning to finished spaces.
04 / Startup ecosystemSquarespace
PitchCR
A digital home for Costa Rica’s startup and pitch community.
02 / Independent products
Tools, built to be used.
Small products that turn UX, analytics and development questions into things you can use.
Research / Front-end
5 Seconds Tester
Test whether a proposition is understood in five seconds.
Open tool
Information architecture
Sitemap Explorer
Turn sitemaps into a navigable view of site structure.
Open tool
AI / Analytics
AI Visibility Benchmark
Explore brand mentions, recommendations and citations with demo data.
Explore demo
Experimentation / CRO
CRO Lab · A/B Calculator
Compare A/B tests with GA4 exports or manual data.
Open tool
Chrome extension · Under review
Jira Tools
Copy, organise and open tickets by ID. Templates, a tray and local history.
IMPLEMENTATION & QA
From hypothesis
to production.
I build the variant, prepare the tracking and check behaviour in QA and UAT before release.
View experience in my résumé Adobe Target · Monetate · QA, UAT & production
ADOBE TARGET · 2 YEARS
MONETATE · 1 YEAR
GLOBAL RELEASES
QA · UAT · PRODUCTION
04 / Writing
Notes from the work.
Jira Tools: copy tickets with context and open them by ID
How I designed Jira Tools to copy useful references, collect tickets and prepare status updates, with Spotlight search and local history.
Does your brand appear when you ask AI? How AI Visibility Benchmark works
Compare how OpenAI, Gemini and Claude models mention and recommend your brand alongside competitors, with original responses you can review.
Sitemap Explorer: turn your website’s URLs into a visual map
Turn sitemaps and URL lists into a navigable map to explore your website structure, filter sections, and export results.
Josue bridges design decisions and production constraints exceptionally well.
Have a stubborn
product problem?
Send me the messy version. No pitch deck required.
Based in Spain · CET · English + Spanish