Senior Mobile Developer

About Numan

Founded in 2018, we’ve already grown to be a 300+ team distributed across the globe, united by a singular mission: empowering people to take control of their health.

Numan is transforming health: we’ve built a cutting-edge platform that integrates diagnostics, medication, supplements, digital programmes, and doctor consultations. Giving people the tools they need to maximise life.

To deliver on our transformative mission, we are guided by our 5 company values:

• Patients first.
• Learn fast.
• Own the quality.
• Succeed together.
• Care deeply.

Backed by top-tier investors, Numan is already having a positive impact on hundreds of thousands of patients here in the UK, and we want you to help us deliver this mission!

The Role:

We’re looking for an experienced, product-driven Senior Android Engineer to help build the app that sits at the heart of how our patients look after their health. In this role, you will help shape the next generation of Numan's digital health products, influencing both the technical direction and product experience.

You will work in a fast-moving, collaborative environment alongside talented engineers, designers, and product leaders, with a direct impact on shaping the future of the company.

You will:

• Owning significant parts of the Android architecture, building scalable, maintainable, and high-performing solutions.
• Leading the design and development of complex features across the Numan app ecosystem, delivering high-quality, user-focused experiences.
• Contributing to the Backend-For-Frontend (BFF) application used by the mobile Numan apps.
• Collaborating closely with product, design, and clinical team members to shape solutions and provide input on technical trade-offs.
• Contributing to technical decisions around technologies, tools, and frameworks.
• Championing code quality through thorough reviews, automated testing, and adherence to engineering standards.
• Mentoring and coaching less experienced engineers, helping them grow their technical skills and adopt best practices.

You'll have:

• Is passionate about building high-quality Android experiences that genuinely improve people's lives.
• Thrives in fast-moving, high-impact environments and takes ownership from conception to delivery.
• Has a track record of delivering production-grade Android apps to the Play Store, with experience in scaling apps and handling complex architectures.
• Has strong experience with Kotlin, Jetpack Compose, and the Android ecosystem, including modern frameworks and libraries, design patterns, and performance optimization.
• Has experience with BFF systems.
• Has a proactive approach and knowledge of best practices in code, testing, and app performance.
• Is used to working in agile teams, with strong problem-solving abilities and a drive for continuous improvement.
• Has excellent attention to detail - both in code quality and user experience.

Our Benefits Include...

📈 - Share options.

🏖 - 25 days holiday, plus bank holidays (increasing to 30 the longer you stay with Numan).

🩺 - Health insurance with Vitality .

🚘 - Electric car salary sacrifice scheme with Octopus .

🧸 - Enhanced maternity and parental leave.

🥳 - A day off on your Birthday!

🐥 - Nursery benefit provided by YellowNest .

💼 - Employee assistance programme (access to therapy, financial planning and discounts).

⚖️ - Generous pension (includes both employee and employer contributions).

💻 - Flexible working options, including a dog-friendly office in Farringdon.

📚 - Personal training and development budget via Learnerbly.

👟 - Wellhub membership, giving you access to over 2,000 locations in the UK.

🚲 - Cycle to work scheme.

🚆 - Season ticket loan.

% - Discount on Numan products for your friends and family.

🤲 - Paid volunteering days.

📅 - An additional 2 weeks off once you reach your 5th anniversary with Numan.

Diversity at Numan

At Numan, people are at the heart of who we are. We recognise and value the unique perspectives and experiences that individuals from all backgrounds bring.

We promote innovation and creativity, enabling us to tackle things from various viewpoints and are committed to equal opportunities and continuously strive to create a workplace where everyone feels respected, heard, and valued.

Embracing diversity isn't just our goal; it's our strength, driving us towards a more inclusive future.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.