Senior iOS Engineer
full-time•United Kingdom
About this role
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 are seeking an experienced, product-driven Senior iOS Engineer to join our ambitious and growing team. 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 the company’s strategic goals.
\n- Taking ownership of iOS architecture, ensuring scalable, maintainable, and high-performing solutions.
- Leading the design and development of new features across the Numan app ecosystem, delivering high-quality, user-focused experiences.
- Mentoring and coaching mid-level and junior engineers, helping the team grow their technical skills and adopt best practices.
- Collaborating closely with product, design, and business teams to shape product strategy and influence technical trade-offs.
- Evaluating and recommending new technologies, tools, and frameworks to maintain a cutting-edge iOS platform.
- Ensuring code quality through rigorous reviews, automated testing, and adherence to engineering standards.
- A proactive engineer who thrives in fast-moving, high-impact environments and takes ownership from conception to delivery.
- A track record of delivering production-grade iOS apps, ideally with experience in scaling apps and handling complex architectures.
- Strong experience with Swift and the iOS ecosystem, including frameworks, design patterns, and performance optimization.
- A proactive approach and knowledge of best practices in code, testing, and app performance, with a strong attention to detail.
- Previous experience mentoring, knowledge sharing, and helping shape the team’s engineering culture.
- A passion about building products that meaningfully improve people’s lives through digital health.
- Experience with CI/CD pipelines, automated testing, and app deployment to the App Store.
- Knowledge of cross-platform considerations (e.g., SwiftUI, Combine) or integrations with back-end services.
- Experience contributing to product strategy or technical roadmaps at a team or company level.
Our benefits include...
📈 - Share options.
🏖 - 25 days holiday, plus bank holidays (increasing to 30 the longer you stay with Numan).
🩺 - Health insurance with Vitality.
🧸 - Enhanced maternity and parental leave.
🐥 - 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.
What you'll do
- The Senior iOS Engineer will take ownership of iOS architecture and lead the design and development of new features for the Numan app ecosystem. They will mentor junior engineers and collaborate with various teams to influence product strategy.
About Numan
Numan is on a mission to make people healthier. We provide healthcare as people need it, and treat common health conditions with personalised plans that alleviate symptoms and fix root causes. We offer integrated care - including diagnostics, medication & supplements, 1-1 clinical care, and digital programs - in one digital platform, to help patients take control of their health.
Ready to join Numan?
Take the next step in your career journey
Frequently Asked Questions
What does a Senior iOS Engineer do at Numan?
As a Senior iOS Engineer at Numan, you will: the Senior iOS Engineer will take ownership of iOS architecture and lead the design and development of new features for the Numan app ecosystem. They will mentor junior engineers and collaborate with various teams to influence product strategy..
Is the Senior iOS Engineer position at Numan remote?
The Senior iOS Engineer position at Numan is based in United Kingdom, United Kingdom. Contact the company through Clera for specific work arrangement details.
How do I apply for the Senior iOS Engineer position at Numan?
You can apply for the Senior iOS Engineer position at Numan directly through Clera. Click the "Apply Now" button above to start your application. Clera's AI-powered platform will help match your profile with this opportunity and guide you through the application process.