Senior iOS Developer

MONY Group; Greater London; Hybrid; GBP 70,000 - 90,000; Full time

Job summary

A financial services company in the UK is seeking an experienced Senior iOS Developer to support and grow applications across their platform. This role involves leading feature delivery, collaborating closely with product and design teams, and writing clean Swift code using modern frameworks. The ideal candidate will have a strong understanding of mobile architecture and a passion for agile development. The company offers a hybrid working model and a culture of inclusivity.

Benefits

27 days holiday (rising to 30)

Bonus scheme

Pension up to 6% employer contribution

Learning culture with LinkedIn Learning license

Work-from-anywhere scheme (2 weeks per year)

Qualifications

• Proven experience building iOS apps with Swift, SwiftUI and UIKit.
• Strong knowledge of async/await and Combine.
• Passion for agile development and shipping value fast.
• Comfortable using AI coding assistants.

Responsibilities

• Lead feature delivery and drive technical strategy within your team.
• Collaborate with product and design teams for pixel-perfect implementation.
• Write clean, maintainable Swift code using SwiftUI and UIKit.
• Debug, optimize and maintain a high-performing codebase.
• Mentor and support team growth.

Skills

Building iOS apps with Swift, SwiftUI and UIKit

Strong knowledge of async/await and Combine

Strong understanding of mobile architecture and design patterns

Experience with XCUI for testing and Git

Familiarity with Android or cross‑platform development

Job description

Location : London (Dean Street) Hybrid : 2 days in the office per week

Level : Senior

Why Join Us

At MONY Group we help millions of people save money when it matters most. Through MoneySuperMarket, MoneySavingExpert, Quidco and our B2B partnerships we reach over 24 million unique monthly visitors saving UK households billions of pounds every year. It’s something we’re proud of and you could be part of it.

We’re creative, collaborative and ambitious. It’s hard work but it’s worth it: you’ll leave each day knowing you’ve made a real difference to our customers and to your team.

What Makes Us Different

• A workplace full of personality; open‑minded, diverse and inclusive.
• Teams that go beyond comparison working together to innovate and deliver world‑class experiences.
• A culture where everyone belongs and every voice matters.

About the Role

We’re looking for an experienced Senior iOS Developer to join our Mobile Collective supporting and growing apps across MoneySavingExpert, Quidco and MoneySuperMarket.

You’ll work in full‑stack multidisciplinary squads collaborating with product managers, designers and engineers. Expect hands‑on involvement across the entire SDLC from design and implementation to testing, deployment and maintenance.

We’re an AI‑enabled engineering organisation using tools like GitHub Copilot and ChatGPT to accelerate delivery and improve code quality. If you’re excited about leveraging AI to build better products you’ll fit right in.

What You’ll Do

• Lead feature delivery and drive technical strategy within your team.
• Collaborate with product and design teams for pixel‑perfect implementation.
• Write clean, maintainable Swift code using SwiftUI and UIKit.
• Showcase a strong knowledge of async/await and Combine.
• Champion best practices: TDD, pairing, mob programming and continuous delivery.
• Ensure security is baked in from the start.
• Debug, optimise and maintain a high‑performing codebase.
• Stay ahead of iOS and mobile engineering trends and bring fresh ideas to the table.
• Mentor and support team growth.

What We’re Looking For

• Proven experience building iOS apps with Swift, SwiftUI and UIKit.
• Strong knowledge of async/await and Combine.
• Strong understanding of mobile architecture and design patterns.
• Passion for agile development and shipping value fast.
• Experience with XCUI for testing and Git for version control.
• Comfortable using AI coding assistants to boost productivity.
• A collaborative mindset and a drive for continuous improvement.
• Familiarity with Android or cross‑platform development is a plus.

Why MONY Group

• Hybrid working: 2 days in the office, the rest where you work best.
• Learning culture: Dedicated time for development, LinkedIn Learning license and regular conference attendance.
• Community: Hack days, socials and annual Product & Tech meetups.
• Career growth: Clear progression framework and opportunities to move across teams.

Rewards & Benefits

• 27 days holiday (rising to 30) bank holidays
• Bonus scheme
• Pension up to 6% employer contribution
• Enhanced shared parental leave (6 months paid for both parents)
• Work‑from‑anywhere scheme (2 weeks per year)
• Mental health platform access, financial coaching and more

Interview Process

• A call with one of our Talent Acquisition Team
• An interview split into three sections with technical ability questions, a paired programming exercise and behavioural questions

Our Commitment

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process to perform crucial job functions and to receive other benefits and privileges of employment. Please contact us to request accommodation.

We’re an inclusive, anti‑racist and equal‑opportunity employer that values diversity. This means we respect and embrace differences in gender identity, race, ethnic origin, sexual expression and orientation, religion and faith, age, marital status, disability, neurodiversity, social background, education and way of thinking. We’re a place where you can be you.

Our customers and users come from different backgrounds as do our colleagues. We welcome applications from everyone and particularly encourage women and Black, Asian and ethnic minority candidates to apply as we’re actively building representation that’s more closely reflective of the communities we serve. Our appointments are made on merit following a robust and objective assessment process and the candidate with the highest score is offered the role. If you’re passionate about our purpose of helping households save money and excited about what you could accomplish here we’d love to hear from you.

Ready to go beyond comparison

We understand that job adverts only say so much and you’re likely to have a lot of questions. If you’d like to know anything before applying such as more on the location, salary, our parental leave policy etc please just let us know and we’ll be happy to help. You can contact the recruiter for this role Tom at

Required Experience

Senior IC

Key Skills

APIs, REST, Design Patterns, Objective‑C, iOS Development, Swift, Application Development, SDKs, SQLITE, IOS, JSON, Mobile Applications

Employment Type : Full‑Time

Experience : years

Vacancy : 1