About The Role

As a Senior Product Data Analyst, you'll play a key role in Treatwell's Analytics function, with a focus on supporting the Product domain across our 13 markets.

You'll be our first dedicated product analytics hire—giving you the unique opportunity to shape the experimentation culture at Treatwell, define how we scale product analytics, and influence the future of the discipline.

Beyond your core work with Product, you'll help raise the bar across the wider analytics team by mentoring others on experimentation frameworks and best practices. Acting as an educator, coach, and evangelist, you'll empower teams to run unbiased A/B tests, choose the right methodologies for learning, and make confident, data-led product decisions.

You'll own the full test-and-learn programme - designing the methodology, setting up the tooling, and leading experiment analysis. You'll also collaborate closely with Product, Engineering, and Finance to prioritise high-impact projects, size opportunities for new features, and ensure behavioural insights directly inform product strategy.

We work in a Kanban-style setup, with regular backlog reviews where you'll pitch ideas, prioritise them with stakeholders, and lead delivery in a cross-functional team. This is a high-impact, highly autonomous role for someone who's hands-on, proactive, and excited to grow the product analytics function from the ground up.

You Will Be Responsible For

Design and lead a robust test-and-learn programme, including experimentation strategy, tooling, and rigorous A/B test analysis.
Evangelise experimentation best practices across the business and train cross-functional teams in product analytics.
Own product event orchestration and implementation in Mixpanel, ensuring consistent and insightful tracking.
Deliver clear, actionable behavioural insights to drive product and business outcomes.
Partner with Finance to size opportunities and assess the potential impact of new product initiatives.
Translate business challenges into analytical questions and data needs.
Present findings and recommendations clearly to senior stakeholders.

About You

Proven experience in a product analytics role, ideally within a two-sided marketplace.
Deep expertise in A/B testing, experimentation design, and causal inference.
Experience with A/B testing platforms - ideally GrowthBook.
Extensive Mixpanel experience, including event design, orchestration, and implementation via a Customer Data Platform.
Proficient in SQL (Redshift environment) and Python or R.
Strong statistical knowledge and experience applying it in real-world product contexts.
Experience with Looker or similar data visualisation tools.
Familiar with opportunity sizing, forecasting product impact, and collaborating closely with Finance teams.
Confident communicator who can simplify complex ideas and influence decision-makers.
Passionate about fostering a data-driven culture and levelling up others through coaching and knowledge sharing.
A STEM or quantitative degree is a plus.
You are a fluent/native English speaker.
You are open to work in a hybrid setup (3 days in the office, 2 days from home) in our London office (SIX, 6, St Andrew Street, London, EC4A 3AE).

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.

We'll Treat You With

28-days holiday, plus bank holidays
Monthly £40 Treatwell vouchers so you can treat yourself too
Benefits platform offering cycle to work scheme, high street discounts and other perks
Growth funds for you to develop and grow with your team
Cycle to work scheme
A beneficial pension scheme and enhanced parental pay & leave policy
Mental health support through our partnership with Plumm
100% remote position with flexible working
All the tools / devices supplied to do the best job you can eg. laptop, monitor, keyboard etc

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