Senior iOS Engineer

Capital One; Nottingham; Hybrid; GBP 85,000 - 120,000; Full time

Benefits offered by this job

External qualifications funding up to

Pension plan

Bonus schemes

25 days annual leave

Private medical insurance

Enhanced parental leave

Job summary

Capital One in Nottingham is seeking a Senior iOS Engineer to design and deliver high-quality mobile features for credit card consumers. You will work across self-organised mobile teams, mentoring juniors and collaborating with managers to maintain a robust iOS platform.

You should be a strong coder with a passion for learning, comfortable with Swift, Xcode, and cloud-based backends, and able to drive quality through TDD/BDD within a hybrid work pattern.

Qualifications

• Senior engineer, guide and grow junior engineers toward target architectures.
• Diverse technical experience across backend to mobile ecosystems.
• Strong communication across engineering teams to maximise efficiency and quality.

Responsibilities

• Design and develop features for our mobile applications with a focus on iOS.
• Collaborate with engineering managers and senior engineers to deliver high-quality releases.
• Champion modern engineering practices and testing approaches in a regulated environment.

Skills

Swift

iOS development

Mentoring

Problem solving

Tools

Xcode

XCTest

XCUITest

AWS

Jenkins

Git

Job description

Nottingham Trent House (95002), United Kingdom, Nottingham, Nottinghamshire Senior iOS Engineer Job Title: Senior iOS Engineer Location: Nottingham - Hybrid Working Pattern: 3 days in-office (Tuesday-Thursday) and 2 days remote.

Our Mission

We’re on a mission to be a force for good in lending. Throughout our almost 30-year history, we’ve consistently been recognised as a great place to work; in 2026, Capital One was officially ranked 9th in the UK’s Best Workplaces™ list. Hear from our team about what it’s like working at Capital One UK.

You and the Role

Working in and across self‑organised mobile engineering teams is a natural part of our outcome‑based culture. You'll design and develop software features that are delightful and vital to the lives of credit card consumers across all walks of life, collaborating closely with engineering managers and senior engineers across teams to keep our mobile offering compelling.

Please apply if you are keen to work with the following technology stack. You do not need to be an expert in all of these areas; we are primarily looking for excellent problem solvers with a strong willingness to learn and adapt to new technologies.

Swift & iOS Toolsets (Xcode, XCTest, XCUITest) for building high-performing mobile applications Cloud / AWS, leveraging cloud opportunities for backend orchestration services and scalable infrastructure Jenkins & Git, driving automated continuous integration and delivery pipelines

And meet most of the following

• You are a capable senior engineer, passionate about guiding and growing junior engineers towards appropriate target architectures
• You have diverse technical experience, perhaps with a background spanning backend engineering to mobile ecosystems
• You maintain a strong questioning (and diplomatic!) mindset, relentlessly driving modern engineering practices across mobile communities of practice
• You write well‑factored, well‑tested code and act as an advocate for quality using practices like Pair Programming, TDD, and BDD
• You can effectively communicate across engineering teams to maximize inner‑sourcing opportunities and reduce waste
• You enjoy being a helpful, approachable, and inquisitive problem‑solver who thrives in delivering frequent, high‑quality releases within a complex regulated environment
• You enjoy hybrid working, with Tuesday, Wednesday, and Thursday spent collaborating in our bright offices

Where and how you'll work

This is a permanent position based in our Nottingham office. We embrace a hybrid approach to work. You'll spend three days a week in the office (Tuesday-Thursday), with Monday and Friday being dedicated work‑from‑home days. Our offices are designed to inspire and support you. At our Nottingham head office, you'll find an on‑site gym, restaurant and dedicated Learning Loft.

What’s in it for you

We invest in the growth of our people alongside our business. You will have extensive opportunities to learn and develop your career, including access to up to £5,000 in funding for external qualifications.

In addition to career development, our comprehensive benefits package is designed to grow with you, ensuring your wellbeing is prioritised at every stage of your career:

• Wealth & Future: Competitive pension and performance‑based bonus schemes
• Holidays: Start with 25 days of annual leave, increasing with tenure. Need more? You have the option to buy 5 additional days.
• Health: Access premium care through our private medical insurance.
• Family Support: We champion your milestones with enhanced parental leave.

A full list of our benefits is available here.

What you should know about how we recruit

We pride ourselves on hiring the best people, not the same people. Building diverse and inclusive teams is the right thing to do and the smart thing to do. We want to work with top talent: whoever you are, whatever you look like, wherever you come from. We know it’s about what you do, not just what you say. That’s why we make our recruitment process fair and accessible. We value diversity, inclusion and belonging at our core. We empower our associates to do great work by creating an inclusive culture—one that values diverse perspectives, fosters collaboration and encourages innovative ideas—and a place where associates of all backgrounds can thrive by bringing their most authentic selves to work. We call this our Culture of Belonging, and it rests at the heart of our business. Our associate‑led Business Resource Groups were created to help support our diverse population and include over 10 groups across our offices. Because each Business Resource Group is as unique as the population it serves, they offer a range of activities, networking opportunities, special events and learning programmes to associates. Capital One is committed to diversity in the workplace.

If you require a reasonable adjustment, please contact [e-mail] All information will be kept confidential and will only be used for the purpose of applying a reasonable adjustment.

For technical support or questions about Capital One's recruiting process, please send an email to [e-mail] Capital One does not provide, endorse nor guarantee and is not liable for third‑party products, services, educational tools or other information available through this site. Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC). At Capital One, we’re building a leading information‑based technology company. Still founder‑led by Chairman and Chief Executive Officer Richard Fairbank, Capital One is on a mission to help our customers succeed by bringing ingenuity, simplicity, and humanity to banking. We measure our efforts by the success our customers enjoy and the advocacy they exhibit.