At a Glance
- Tasks: Shape the mobile experience for millions in women's health with innovative Android development.
- Company: Join Flo, a leading app trusted by 1 in 4 women in the US.
- Benefits: Enjoy competitive salary, paid leave, and a 5-week sabbatical after 5 years.
- Other info: Collaborative hybrid work model with opportunities for professional growth.
- Why this job: Make a real impact while working with cutting-edge technology in a supportive environment.
- Qualifications: 7+ years of Android development experience and strong Java skills required.
The predicted salary is between 70000 - 90000 £ per year.
As an Android Engineer at Flo, you'll help shape the mobile experience for millions of people, and do genuinely meaningful work in women's health. Our app is trusted by 1 in 4 women aged 18–44 in the US and used across 100+ countries, with machine learning and AI powering accurate cycle predictions and personalised, medically credible health insights. We build large-scale mobile applications with rich, intuitive interfaces - optimised for speed, accessibility and privacy.
You'll join a cross-functional team working across the full mobile lifecycle, from feature ideation through to release and iteration, with real ownership over value delivery end to end. We're not a feature factory. Our engineers are pragmatic problem-solvers who thrive in fast-moving environments and care about what they ship. You'll have genuine scope to experiment, lead ambitious product initiatives and implement solutions that matter - not just clear a backlog. Flo is a constantly evolving product, and we give our engineers the trust and autonomy to evolve it.
Your Experience
- Must have 7+ years of hands‑on Android development experience, with a track record of shipping and maintaining production applications at scale
- Experience building large, complex mobile applications with polished, performant UIs – ideally for global consumer audiences
- Strong proficiency in Java, with solid object‑oriented design principles and a keen eye for clean, maintainable code
- Deep knowledge of the Android ecosystem – including platform fragmentation, UI design patterns, and delivering consistent experiences across a wide range of screen sizes and devices
- Solid familiarity with Google technologies, Play Store submission processes, and Google’s development guidelines
- A good grasp of the full mobile product lifecycle, with practical experience working within Agile teams
Nice to have
- Knowledge of Kotlin programming language, Clean Architecture and reactive programming
- An eye for UX and interaction design – you care about how things feel, not just how they work
- Hands‑on experience with mobile CI/CD tooling, including build, test and release automation
- Experience integrating with analytics and BI systems, including A/B testing frameworks
- Experience with alternative Android markets
- Experience optimising data usage over mobile networks and building offline‑first applications
What you’ll be doing
- Developing features using modern frameworks, libraries and in‑house components – contributing to a shared codebase built to last
- Delivering polished, intuitive user experiences that meet a high bar for design and usability
- Maintaining and improving a continuous delivery pipeline, ensuring fast, reliable and safe releases to production
Annual Salary Range
Annual Salary Range (ranges may vary based on skills and experience)
What you’ll get
- 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
- In‑person collaboration and work in a hybrid model, with 3 days per week spent in the office
- 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.
Senior/ Lead Android Engineer employer: FLO
At Flo, we pride ourselves on being an exceptional employer, offering our Senior/Lead Android Engineers the chance to make a real impact in women's health through innovative mobile solutions. Our collaborative work culture fosters creativity and autonomy, allowing you to lead ambitious projects while enjoying competitive salaries, generous leave policies, and opportunities for professional growth. With a commitment to diversity and inclusion, we ensure that every team member feels valued and empowered to contribute their unique perspectives.
StudySmarter Expert Advice🤫
We think this is how you could land Senior/ Lead Android Engineer
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech world, especially those who work at Flo or similar companies. A friendly chat can lead to insider info and maybe even a referral!
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your best Android projects. Make sure to highlight any complex applications you've built and how you tackled challenges. This will give us a taste of what you can bring to the table.
✨Tip Number 3
Prepare for the interview by brushing up on your problem-solving skills. We love engineers who can think on their feet, so practice coding challenges and be ready to discuss your thought process during the interview.
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets seen. Plus, it shows us you're genuinely interested in being part of the Flo team. Don’t miss out on this opportunity!
We think you need these skills to ace Senior/ Lead Android Engineer
Some tips for your application 🫡
Show Off Your Experience:When you're writing your application, make sure to highlight your 7+ years of Android development experience. Share specific examples of the large-scale applications you've built and how you've contributed to their success. We want to see your journey and what makes you a great fit for our team!
Be Authentic:Let your personality shine through in your application! We’re looking for pragmatic problem-solvers who care about what they ship. Don’t be afraid to share your passion for women’s health and how you can contribute to making a difference at Flo.
Tailor Your Application:Make sure to tailor your application to the job description. Highlight your proficiency in Java and any experience with Kotlin or mobile CI/CD tooling. We love seeing candidates who understand the full mobile product lifecycle and can bring that knowledge to our team.
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures it gets into the right hands. Plus, it shows you’re serious about joining our team at Flo!
How to prepare for a job interview at FLO
✨Know Your Stuff
Make sure you brush up on your Android development skills, especially Java and the Android ecosystem. Be ready to discuss your past projects in detail, focusing on the challenges you faced and how you overcame them. This shows you’re not just a coder but a problem-solver.
✨Showcase Your Experience
Prepare to talk about your experience with large-scale applications and how you've contributed to their success. Highlight any work you've done with CI/CD tooling and how it improved your team's workflow. This will demonstrate your understanding of the full mobile product lifecycle.
✨Emphasise User Experience
Since Flo values polished user experiences, be ready to discuss your approach to UX and interaction design. Share examples of how you’ve made apps more intuitive and user-friendly, and why that matters in the context of women’s health.
✨Be Ready to Collaborate
Flo is all about cross-functional teamwork, so prepare to discuss how you’ve worked within Agile teams. Talk about your role in feature ideation and iteration, and how you’ve contributed to a culture of trust and autonomy in your previous positions.
