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Conversion Rate Optimisation (CRO) Specialist

Treatwell

Amsterdam
Full-time
2-5 years experience
On-site

Key Skills

Conversion Rate Optimisation
A/B Testing
Multivariate Testing
Data Analysis
Growth Marketing
Marketplace Strategy
SaaS
Product Optimization
UX Design
Hypothesis Generation
Statistical Rigor
Stakeholder Management
Cross-functional Collaboration
Customer Journey Mapping
Agile Methodology

Job Description

We are seeking a data-driven Conversion Rate Optimisation Specialist to own and accelerate on-site and in-app conversion performance across our dual sided marketplace (booking for marketplace, lead generation for SaaS). Reporting to the Head of Growth Marketing, you will design, run, and scale a structured experimentation programme across 13 markets, multiple languages, and multiple products, turning customer behaviour insights into measurable revenue impact. This Role Carries a Dual Objective Conversion growth: Build and execute a continuous A/B and multivariate testing roadmap to improve conversion across the full B2C customer journey, from acquisition to booking. Experimentation culture: Embed a rigorous test-and-learn discipline across Product, UX, and Marketing, ensuring every major journey change is validated with data before it scales. 🧐 You Will Be Responsible For CRO Roadmap & Testing: Own the end-to-end CRO testing roadmap, from hypothesis generation and prioritisation through to test design, execution, and analysis across web and app. Multi-Market, Multi-Language Experimentation: Run and localise experiments consistently across 14 countries and languages, accounting for market-specific behaviour while protecting statistical rigor. Multi-Product Funnel Optimisation: Identify and resolve conversion friction across the marketplace's B2C funnels, partnering with Product and Data teams to prioritise the highest-impact opportunities. Insights & Reporting: Translate test results into clear, actionable insights and recommendations for senior stakeholders, building a shared knowledge base of what drives conversion. Cross-Functional Collaboration: Partner closely with Product, UX/Design, Data, and Performance Marketing to align experimentation priorities with broader growth and commercial goals. 💡 About Treatwell Hi, we're Treatwell. Nice to meet you. We're a team of 700 passionate and brilliantly talented people across Europe. We're the industry's smartest salon management software, all connected to Europe's leading bookings platform, working with over 50,000 salon partners across 13 countries, processing over 8 million bookings every month. And....breathe. But we're not done yet. We're on an exciting journey to digitally revolutionise the hair and beauty community. If this excites you, we might just have the role for you. Requirements 🔝 About you: Tech experience: 3+ years of hands-on Conversion Rate Optimisation experience in the Tech sector, ideally within a multi-market, multi-language, multi-product business (mandatory). Marketplace or SaaS background is a strong plus. Agile & Data-Driven: Highly analytical, with a proven track record of using data and experimentation to challenge assumptions and drive measurable commercial outcomes. Execution & Delivery Mindset: A true "doer" who combines the strategic thinking to prioritise the right tests with the hands-on drive to run them end-to-end. Structured yet Scrappy: Highly structured in managing a testing roadmap across complexity and scale, yet scrappy and agile in getting experiments live quickly. Languages: English fluency is mandatory. Any other European language is a plus. Benefits 💼 We'll treat you with: 28-days holiday, plus bank holidays 🏖️ Monthly 40 EUR/GBP Treatwell vouchers so you can treat yourself too 💅🏻 Mental health support through our partnership with Open-Up 🧘🏻 Market-specific benefits 🤓 ⚖️ Equal Opportunities Treatwell is an ‘Open to All' employer and warmly welcomes everybody to the team. We are committed to making reasonable adjustments to the recruitment process as required. Please add any adjustment requests to your application.

Core Responsibilities

You will own the end-to-end CRO testing roadmap, designing and executing experiments across web and app to drive conversion growth. You will also collaborate with Product, UX, and Data teams to embed a rigorous test-and-learn culture across 13 markets.

Requirements

Candidates must have 3+ years of hands-on CRO experience in the tech sector, ideally within a multi-market or marketplace environment. Fluency in English is mandatory, along with a highly analytical mindset and a proven track record of driving commercial outcomes through experimentation.

Benefits

  • 28-days holiday
  • Bank holidays
  • Monthly Treatwell vouchers
  • Mental health support

About Treatwell

Industry: Software Development

Company size: 501-1,000 employees

At Treatwell, we empower industry growth to bring more beauty and wellness to everyone, everywhere. As Europe’s No.1 beauty and wellness booking platform, we connect millions of people with salons and professionals across 13 countries. With the industry’s smartest salon management software at our core, we help beauty and wellness professionals grow their business while making treatments more accessible than ever. Our vision is simple: to create a world where everyone can treat themselves well. That means giving salons the tools, visibility, and support to thrive, while making it effortless for customers to book the treatments they love. Anytime, anywhere. Behind it all is a team of passionate, ambitious people united by our values: Treat everyone well, Think like a salon owner, Make every appointment count, and Play to win together. These values shape how we work, drive our growth, and keep us focused on building a company that truly makes a difference for our people, partners, and industry. Ready to be part of the journey? Explore our careers page, your next chapter could start here.

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