London, United Kingdom · Founded 2015 · 201-500 staff
Flo Health is the leading app in the Health & Fitness category worldwide, supporting women during their entire reproductive lives with cycle and ovulation tracking, personalized health insights, expert tips, and a private community.
Roles based in: London, Vilnius
Builds in: HealthTech · B2C
Seniority: 3 Senior · 1 Lead
Publishes salary on 4 of 4 ads · Hiring engineering roles here since April 2026
Curated from live Flo Health postings. Click any role for the full brief.
Lead a team building Flo Health's AI platform infrastructure supporting 80M+ monthly users at scale in London/Vilnius.
Build next-gen AI-powered health features for Flo, the world's #1 female health app.
Build the next generation of AI-powered digital health for 80M+ monthly users at Flo Health.
Build the next generation of AI-powered digital health for 80M+ monthly users at Flo Health.
No longer open on Flo Health's site. Kept for reference — saved archived roles stay in your dashboard.
Build AI-powered digital health for 80M+ users at Flo Health.
Build internal developer tools for Flo Health, the #1 women's health app, enabling faster, safer code shipping at scale.
Lead engineers building AI-powered female health tools for 500M+ users.
Lead engineering for Flo Health's AI-powered female health app, impacting 80M+ users.
Build Flo Health's AI-powered female health app, ensuring quality for 80M+ users.
Build internal developer tools for Flo Health, the #1 women's health app with 500M+ downloads.
Secure Flo Health's AWS cloud platform and CI/CD pipelines for 80M+ users.
Lead and scale a team of 5+ engineers for Flo Health, a leading female health app with 500M+ downloads.
Build production LLM infrastructure for 80M users at Flo Health.
Build backend systems for the world's #1 female health app, Flo, used by 80M+ users.
500M+ downloads. 80M+ monthly users. A decade of building – and we’re still accelerating. Flo is the world’s #1 health & fitness app worldwide 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 7M paid subscribers and the highest-rated experience in the App Store’s health category, we’ve spent 10 years earn