Global CRO Specialist: Scale A/B Testing Across 14 Markets

Treatwell; Madrid; On-site; EUR 60,000 - 85,000; Full time

Benefits offered by this job

28-days holiday

Treatwell vouchers (monthly)

Mental health support

Market-specific benefits

Job summary

Treatwell is seeking a data-driven Conversion Rate Optimisation Specialist to own on-site and in-app optimisation across a dual-sided marketplace. You will run a structured experimentation programme across 14 markets, designing tests that translate customer behavior into revenue impact.

The role requires 3+ years in CRO within a tech setting, strong data-driven mindset, and English fluency. You will collaborate with Product, UX/Design, Data and Marketing to drive measurable improvements across

Qualifications

• 3+ years of hands-on CRO in tech (mandatory).
• Experience in multi-market, multi-language, multi-product environments.
• Strong data-driven experimentation track record.
• English fluency mandatory; other European languages a plus.

Responsibilities

• Own end-to-end CRO testing roadmap from hypothesis to analysis.
• Run and localise experiments across 14 countries and languages.
• Identify friction across B2C funnels and prioritise high-impact opportunities.
• Translate test results into actionable insights for senior stakeholders.
• Collaborate with Product, UX/Design, Data, and Performance Marketing.

Skills

Conversion Rate Optimisation

Data analysis

Experimentation

Agile methodologies

Multi-market experience

English language

Job description

Treatwell is seeking a data-driven Conversion Rate Optimisation Specialist to own on-site and in-app optimisation across a dual-sided marketplace. You will run a structured experimentation programme across 14 markets, designing tests that translate customer behavior into revenue impact.

The role requires 3+ years in CRO within a tech setting, strong data-driven mindset, and English fluency. You will collaborate with Product, UX/Design, Data and Marketing to drive measurable improvements across