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 job
We're searching for a visionary Data Scientist to strengthen our Marketing Analytics function. As a key expert in this space, you'll transform how we understand user behaviour, optimise acquisition strategies, and drive sustainable growth. This isn't just an analytics role—it's an opportunity to influence key business decisions alongside our leadership team directly.
What you'll be doing
You'll be responsible for:
Working at the intersection of data science and marketing strategy, you'll:
- Redefine Marketing Measurement by designing sophisticated attribution frameworks, building marketing mix models, and running experiments that cut through the noise to identify what truly drives performance.
- Bridge Product and Marketing by analysing the entire user funnel from acquisition to retention, providing data-driven recommendations that improve marketing effectiveness, product journeys, and features.
- Shape Predictive Modeling by collaborating with ML engineers to influence methodology selection, feature engineering, and performance evaluation of models that reveal lifetime value of users, enabling smarter investment decisions.
- Uncover Hidden Patterns within user behavioural data, campaign touchpoints, and conversion journeys to develop nuanced customer segments and behavior profiles that power personalised marketing strategies.
- Drive Experimentation by collaborating with performance marketing teams on experiments, lift studies, and incrementality tests that continuously improve conversion rates and ROI.
- Challenge Assumptions by bringing data-driven insights to strategic conversations with senior leadership, including direct collaboration with our Director of User Acquisition, CMO, Analytics and Finance leaders.
Your Experience
Must have:
While we value adaptability over a perfect match, you likely bring:
- A track record of applying data science to solve marketing challenges, with meaningful experience building predictive LTV models and marketing mix models that inform strategic decisions
- Strong analytical foundation in statistical methods, experiment design, and data modeling techniques—all applied specifically to marketing performance optimisation and channel mix interpretation
- Technical proficiency with Python and SQL, ideally with experience working in Databricks environments
- Familiarity with data visualisation and marketing analytics platforms (we use Looker)
- An intuitive understanding of digital marketing ecosystems and the metrics that matter across different channels
- The ability to translate complex analyses into compelling narratives that influence decision-makers
- A collaborative mindset that thrives in fast-paced environments where you'll work directly with product, marketing, finance, analytics, and engineering teams
How we work
We’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 get
We support impact with meaningful reward. Here’s what that looks like:
- Competitive salary and annual reviews
- Opportunity to participate in Flo’s performance incentive scheme
- Paid holiday, sick leave, and female health leave
- Enhanced parental leave and pay for maternity, paternity, same-sex and adoptive parents
- Accelerated professional growth through world-changing work and learning support
- Flexible office + home working, up to 2 months a year working abroad
- 5-week fully paid sabbatical at 5-year Floversary
- Flo Premium for friends & family, plus more health, pension and wellbeing perks
Diversity, equity and inclusion
Our 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 privacy notice for job applicants.
Flo Health Inc. Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Flo Health Inc. and has not been reviewed or approved by Flo Health Inc..
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Parental & Family Support — Offerings include fully paid parental leave with additional support such as a return‑to‑work bonus and a dedicated policy for pregnancy loss. Coverage explicitly extends to adoptive and same‑sex parents, signaling inclusive family support.
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Leave & Time Off Breadth — Paid holiday and fully paid sick leave allocations are presented as substantial on top of local public holidays. This breadth indicates strong time‑off support relative to common market practices.
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Equity Value & Accessibility — Company‑wide eligibility for an employee share plan is highlighted as part of total rewards. Accessible equity participation can meaningfully augment overall compensation value.
Flo Health Inc. Insights
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What We Do
Flo is the essential female health partner. We are building a better future for female health by helping women harness the power of their body signals. --------------- Flo in numbers: --------------- #1 period tracker in the USA by active audience #1 most downloaded female health app worldwide 47 million monthly active users 240 million installs 28M women got pregnant while using Flo (the number indicates users who logged pregnancy in app during 2015-2022) Flo prioritizes safety and keeps a sharp focus on being the most trusted digital source for women's health information. Flo intensively uses Data Science and AI to deliver the most personalized content and services available. Flo is currently available in 22 languages on iOS and Android. 55% of users are located in the US and Europe. We are committed to putting privacy of our users first. Our users trust our technology to keep their sensitive information private and we are responsible for providing a safe and secure platform for them to use. We regularly carry out privacy assessments to monitor risks including data protection impact assessments and third-party risk assessments. In March 2022 Flo completed an external, independent privacy audit which confirmed there are no gaps or weaknesses in our privacy practices.
