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 looking for a talented ASO Specialist to join our team and play a pivotal role in driving Flo's organic growth. If you're passionate about mobile app discovery, data-driven optimization, and creating impactful user experiences, we want to hear from you.
What You'll Be Responsible For- Driving Organic Growth with Fresh Perspectives: You'll research, brainstorm, analyze, and prioritize App Store Optimization (ASO) ideas. This involves leveraging rich product and user insights from Flo, alongside competitor analysis, to craft highly impactful experiences that sustain our organic growth.
- Sustaining Data-Driven Workflows: You'll continuously monitor, assess, and address any gaps in our organic growth performance. Using a mix of data points and sources, your insights will directly inform and adjust our ASO plans and priorities.
- Executing ASO Initiatives: You'll lead the day-to-day operational efforts in ASO's ongoing optimization. This includes discussing action plans with the team, uploading assets to developer consoles, and configuring various store listings and experiments.
- At least 1 year of hands on App Store Optimization (ASO) experience, gained either in an in-house environment or a strategic role at an agency or consultancy.
- Familiarity with key ASO tools such as AppTweak, Sensor Tower, Mobile Action, AppFollow, Appfigures, or similar platforms.
- Fluency in at least one key area of ASO, including keyword research, A/B testing, visual storytelling, copywriting, or data analysis/visualization.
- A collaborative mindset and the ability to work effectively within a team.
- Working proficiency in English.
- Experience in Marketing, particularly digital marketing disciplines like SEO, performance marketing, PR, or social media.
- Proficiency with design tools such as Figma, Photoshop, or Canva.
- Product management skills, including multivariate testing or go-to-market (GTM) strategies.
- Basic understanding of mobile and web attribution models (e.g., SKAN, AppsFlyer).
- Basic AI knowledge, focusing on analytical or generative AI tools like ChatGPT, Gemini, or Perplexity.
- Prior experience in the Health Tech industry
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.
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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.
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Flo in numbers:
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#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.
