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# CRO Developer - DIGI España

- **Company:** care.com
- **Location:** Spain
- **Contract:** Permanent contract
- **Skills:** HTML, JavaScript (Programming Language), Cascading Style Sheets (CSS), Google Analytics, JQuery, SQL Databases, Google Tag Manager, Adobe Target, Git, Figma, Optimizely, Software Version Control
- **Published:** September 10, 2026
- **Apply:** https://eurojobs.com/jobs/26887547/apply

## About the Role

* HTML y CSS a nivel avanzado.
 * JavaScript con manipulación del DOM, incluyendo jQuery
 * Experiencia implementando tests con código propio en VWO (o herramientas equivalentes como Optimizely o Adobe Target).
 * Chrome DevTools para diagnóstico técnico.
 * Google Tag Manager.

Extras que nos gustaría

 * Google Analytics 4.
 * Figma.
 * Nociones de rendimiento web (Core Web Vitals, Lighthouse/GTmetrix).
 * SQL básico.
 * Herramientas de heatmaps o session recording (Hotjar, Clarity o similares).
 * Git / control de versiones.

Competencias transversales (soft skills)

 * Pensamiento analítico y orientación a datos
 * Comunicación técnica hacia perfiles no técnicos y hacia Desarrollo en su propio lenguaje.
 * Autonomía y proactividad: capacidad de detectar fricciones sin que se le asignen explícitamente.
 * Interés por el comportamiento del usuario.

## Description

* Implementar en VWO tests A/B y multivariante con código propio (HTML, CSS, JavaScript) a partir de hipótesis priorizadas por CRO.
 * Hacer QA de cada test: distintos navegadores/dispositivos, sin errores de consola ni efectos secundarios sobre la página.
 * Detectar y diagnosticar fricciones técnicas del funnel de conversión: errores de código, problemas de tracking mal implementado, tiempos de carga elevados.
 * Analizar resultados de los tests (VWO y GA4).
 * Apoyar en diseño de variantes (Figma) y en analítica (GA4).


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