Data Science Lead
Flo Health
400M+ downloads. 75M+ monthly users. A decade of building – and we’re still accelerating.Flo is the world’s #1 health app on a mission to build a better future for female health. Backed by a $200M investment led by General Atlantic, we became the first product of our kind to reach a $1B valuation in 2024 – and we’re not slowing down.With 6M paid subscribers and the highest-rated experience in the App Store’s health category, we’ve spent 10 years earning trust at scale. Now, we’re building the next generation of digital health – AI-powered, privacy-first, clinically backed – to help our users know their body better.The jobWe’re not chasing a product – market fit. We’ve found it. Flo is used by 1 in 4 women aged 18-44 in the US. Last year, $200M raised. Earlier this year: 8.6M new installs, 2.8M user jump. That kind of scale doesn’t just happen. It’s engineered – and increasingly, it’s predicted.That’s where you come in.We’re hiring a Data Science Lead in London to build and lead our Predictive Growth Optimization team – pioneering ML models that power our user acquisition strategy, predict lifetime value, and optimise our $25M+ annual marketing spend across channels.This role owns the strategy, development, and continuous improvement of Flo’s pLTV system – a mission-critical model reused across UA, AdTech, personalization, and financial forecasting. You’ll balance hands-on technical leadership with people management, building production systems that directly impact our growth trajectory.What you’ll do
What you bringTechnical Leadership
Growth & Product Experience
Production ML Systems
Nice to have
How we workWe’re a mission-led, product-driven team. We move fast, stay focused and take ownership – from brief to build to impact. Debate is encouraged. Decisions are shared. We care about craft, ship with purpose, and always raise the bar.You’ll be working with people who take their work seriously, not themselves. It takes commitment, resilience, and the drive to keep going when things get tough. Because better health outcomes are worth it.What you’ll getWe support impact with meaningful reward. Here’s what that looks like:
Diversity, equity and inclusionOur strength is in our differences. At Flo, hiring is based on merit, skill and what you bring to the role – nothing else. We’re proud to be an equal opportunity employer, and we welcome applicants from all backgrounds, communities and identities. Read our .
London
Thu, 05 Jun 2025 05:19:59 GMT
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