Engineering Manager

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 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 not chasing 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. That’s where you come in. We’re hiring Engineering Managers in London to lead a squad building the next generation of privacy-first, AI-powered health tools - and shipping them to a global audience.

What you’ll do Lead and grow a high-performing team of engineers Set direction, ship fast, own outcomes Build systems that are reliable, scalable and secure Guide architecture decisions and unblock delivery Champion engineering quality, speed and autonomy Coach your team - hire, develop, promote Collaborate across disciplines to turn product ideas into reality

6+ years coding in Scala, Java