Senior Data Analyst in London

Ready to revolutionize healthcare, making it faster and more accessible than ever before?

Back in 2013, our founder Dwayne D'Souza saw an opportunity to give people faster and more convenient access to medications using technology. We’ve grown rapidly since our inception, without any external funding whatsoever – achieving profitability through innovation and a highly disciplined approach to growth.

We’ve earned the trust of millions of people worldwide through our top-selling products and well-known brands: MedExpress, Dermatica, ZipHealth, RocketRX, and Levity. A lot of our success is down to having our own pharmacies, manufacturers and products – spearheaded by leading in‐house medical teams, researchers and pharmacists. Between 2023 and 2024 our global revenue tripled; £60m to £180m (200% year‐on‐year growth). We’re looking to do the same in 2025; move into new territories and further accelerate our growth journey. There’s never been a more exciting time to join HeliosX.

Over the next five years, you’ll support our goal to become a world‐leading healthcare partner, deepening our customer relationships, expanding into new countries, and diversifying our product portfolio to treat more conditions. You’ll be part of helping more people access prescription treatments and, most importantly, making personalised care better, quicker and easier for everyone.

The Senior Data Analyst will be a key member of the Growth Analytics team, responsible for generating insights from marketing channel, campaign, and performance data to drive strategic decision‐making. This role partners with Growth, Marketing, and Digital teams to optimise marketing spend, measure trade efficiencies, and enable data‐driven experimentation.

What you’ll be doing

• Experimentation & Measurement
  • Design, advise, and evaluate marketing experiments to measure incrementality.
  • Develop and apply methodologies such as MMM and attribution models to assess ROI.
  • Create frameworks and best practices to scale experimentation across teams.
• Marketing & Performance Analytics
  • Provide insights into key growth drivers such as margin, retention, and customer lifetime value.
  • Build dashboards, reports, and models to track and communicate business performance.
  • Conduct deep‐dive analysis at channel and campaign level to optimise acquisition and retention.
• Cross‐Functional Collaboration
  • Partner with Growth, Product, Engineering, and Data to ensure robust data infrastructure, metrics, and tools.
  • Influence marketing and growth strategy through data‐driven insights.
  • Communicate findings clearly to stakeholders, enabling data‐informed decision making.

What you’ll bring to HeliosX

• 3-5 years in a marketing analytics role within a digital marketing environment.
• Hands‐on experience with attribution models, marketing mix modelling, and acquisition campaigns (Paid Social, Paid Search, Affiliates).
• Strong track record in statistical analysis and experimentation design (A/B testing, multivariate testing, causal inference tools like GeoLift, Causal Impact).
• Advanced SQL and Excel/Sheets, Python (nice to have).
• Proficiency with analytics and data visualisation tools (Metabase, Looker, Tableau, PowerBI).
• Strong data interpretation and storytelling ability.
• Excellent written and verbal communication skills.
• Bachelor's or Master's degree in a quantitative discipline (Mathematics, Economics, Engineering, Statistics, Computer Science, Physics, etc.).

Life at HeliosX

At HeliosX, we want to improve healthcare for everyone, and to do this we need a team of brilliant people who share that ambition. We are currently a diverse team of engineers, scientists, clinical researchers, physicians, pharmacists, marketers, and customer care specialists committed to our mission – but we need more talented folks to join us, if we want to achieve our global ambitions!

Aside from working with our all‐star team, here are the other benefits of coming on board:

• Generous equity allocations with significant upside potential
• 25 Days Holiday (+ all the usual Bank Holidays)
• Private health insurance, along with extra dental and eye care cover
• Employee Pension with Smart Pensions
• Enhanced parental leave
• Cycle‐to‐work Scheme
• Electric Car Scheme
• Free Dermatica and MedExpress products every month, as well as family discounts
• Home office allowance
• Access to a Headspace subscription, discounted gym memberships, and a learning and development budget