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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
Medical and scientific credibility is the foundation. It’s the core of who and what Flo is.
As a group, these teams engage the medical experts on our medical board (120+ and counting!), establish research partnerships (Stanford University, Johns Hopkins University, Northwestern University, and others), help developers design our intuitive AI tools, check our medical accuracy, and drive medical credibility across the whole platform.
We divide our Medical Advisors into two groups: the User Centric team and the Health team.
The User Centric team are content centric, providing a close watch over everything going out to the end user, and advising the wider business - especially product and marketing teams - on what good looks like when it comes to embedding medical credibility and accuracy in our features and materials, and on what a clinician says a good user journey should be.
Our health team looks after the predictive powers of Flo, working hand in glove with product, engineers and data science to offer a truly powerful predictive experience to the millions of people who trust Flo with their health and wellbeing.
Having created multiple category defining features around menstrual cycle tracking, pregnancy monitoring, medical and scientific education, and more recently, chat-bot-led symptom checking, we're now looking for an experienced healthtech clinician with strong experience for this health stream.
With a host of exciting possibilities on the Product roadmap for 2025, including AI and ML initiatives, wearables, and more, there’s a lot to get involved in, and it’s an exciting time to join.
Your Experience
Must have:
Nice to have:
What you'll be doing
You'll be responsible to:
You'll be targeted to:
For this role, we can hire at four levels, depending on experience: L2, L3, L4 or L5. Each level has it's own salary range:
Medical Advisor (L2): London: £60,000 - £75,000. Vilnius: €3,895 - €4,794
Senior Medical Advisor (L3): London: £75,000 - £90,000. Vilnius: €4,794 - €5,753
Lead Medical Advisor (L4): London: £90,000 - £109,500. Vilnius: €5,753 - €6,999
Principal Medical Advisor (L5): London: £110,000 - £130,000. Vilnius: €6,999 - €8,309
#LI-JC1 #LI-Hybrid
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:
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.