Senior iOS Engineer

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. 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. You’ll be:

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.

We’re looking for someone who has:

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.

It’s a bonus if you have:

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. Apply To This Job