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- Tasks: Lead the development of innovative iOS applications that enhance women's health.
- Company: Join Flo, the world’s #1 health app with over 400M downloads and a mission to empower female health.
- Benefits: Enjoy competitive salary, flexible working options, and a 5-week paid sabbatical after 5 years.
- Why this job: Make a real impact on women's health while working in a dynamic, supportive environment.
- Qualifications: 6+ years in software engineering with expertise in iOS and mobile application development.
- Other info: Embrace a culture of experimentation and ownership in a fast-paced, mission-driven team.
The predicted salary is between 76000 - 108000 £ per year.
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
Our engineers aren’t just building a better product; they’re making the world a better place by improving women’s health. We leverage machine learning and AI to provide accurate cycle predictions and relevant, personalized, medically credible health tips. We are committed to discover and empower our employees to implement brand-new solutions.
Flo is a place for experimentation and implementation opportunities at the senior level. Flo is not just a feature factory, we own value delivery end to end. Flo is a constantly evolving product. New features and technologies are added, hardening development. Our engineers have an average of 10 years of experience, so they can solve ambitious product tasks.
You can read more about the tech stack we use and the thinking behind it here:
Your Experience
Must have:
- At least 6 years in software engineering, including 3 years of experience developing, shipping, and maintaining mobile applications.
- Ability to demonstrate expert-level knowledge of iOS.
- Experience developing large mobile applications with rich UI, preference to global consumer markets.
- Proficient in Swift and Objective C with strong object-oriented design skills.
- Experience with Apple technologies, development guidelines, App Store processes for app submission and maintenance.
- Good understanding of a mobile product life cycle; acquaintance with Agile methodologies.
- An agile mindset, ambitious, motivated and a good team player.
Nice to have:
- Knowledge of UX and Interaction design.
- Optimizing data usage over mobile networks and experience with offline first apps.
- Experienced with mobile continuous delivery tooling (build, test and release automation).
- Integration with BI and analytical systems. AB testing.
What you\’ll be doing
You\’ll be responsible for:
- Modern frameworks and libraries along with in-house components.
- Spicy user experience and attractive design.
- Continuous Delivery.
#LI-Hybrid #LI-LM12
Annual Salary Range (ranges may vary based on skills and experience)
£95,000 — £135,000 GBP
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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Senior/ Lead iOS Engineer employer: Femtech Insider Ltd.
Contact Detail:
Femtech Insider Ltd. Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior/ Lead iOS Engineer
✨Tip Number 1
Familiarise yourself with the latest iOS development trends and technologies. Being well-versed in Swift, Objective C, and modern frameworks will not only boost your confidence but also demonstrate your commitment to staying current in a fast-evolving field.
✨Tip Number 2
Showcase your experience with large-scale mobile applications by discussing specific projects during interviews. Highlight your role in developing rich user interfaces and how you contributed to the app's success in global markets.
✨Tip Number 3
Prepare to discuss your understanding of the mobile product life cycle and Agile methodologies. Be ready to share examples of how you've applied these concepts in past projects, as this aligns with our mission-driven approach at Flo.
✨Tip Number 4
Engage with the Flo community on social media or forums to gain insights into our culture and values. This will help you tailor your conversations during the interview process and show that you're genuinely interested in contributing to our mission.
We think you need these skills to ace Senior/ Lead iOS Engineer
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your relevant experience in software engineering, particularly your expertise in iOS development. Emphasise your years of experience, especially in developing and maintaining mobile applications, and showcase any projects that demonstrate your skills in Swift and Objective C.
Craft a Compelling Cover Letter: In your cover letter, express your passion for improving women's health through technology. Mention specific experiences that align with Flo's mission and values, and explain how your background in mobile application development can contribute to their goals.
Showcase Your Technical Skills: Include a section in your application that details your technical skills, particularly those related to iOS development. Highlight your knowledge of Apple technologies, Agile methodologies, and any experience with continuous delivery tooling or UX design that could set you apart.
Demonstrate Your Team Spirit: Flo values collaboration and teamwork. In your application, provide examples of how you've successfully worked in teams, tackled challenges, and contributed to a positive team environment. This will show that you are not only technically skilled but also a good fit for their culture.
How to prepare for a job interview at Femtech Insider Ltd.
✨Showcase Your iOS Expertise
Make sure to highlight your extensive experience with iOS development, particularly your proficiency in Swift and Objective C. Be prepared to discuss specific projects where you developed, shipped, and maintained mobile applications, especially those with rich user interfaces.
✨Demonstrate Your Agile Mindset
Since the company values an agile approach, be ready to share examples of how you've successfully worked within Agile methodologies. Discuss how you adapt to changes and collaborate with teams to deliver high-quality products efficiently.
✨Emphasise Your Problem-Solving Skills
With a team of experienced engineers, it's crucial to demonstrate your ability to tackle ambitious product tasks. Prepare to discuss challenges you've faced in previous roles and how you approached solving them, particularly in the context of mobile applications.
✨Align with Their Mission
Flo is focused on improving women's health, so express your passion for this mission during the interview. Share any relevant experiences or projects that align with their goals, and show how your work can contribute to making a positive impact in this area.
