Senior iOS Developer

We build financial products that accelerate the economic freedom for people who move across borders. We started with car insurance — insuring over a reputed company drivers — and we’re scaling reputed company. Tens of millions of people move countries each year, facing overlooked financial challenges. Our future is in building financial products around their needs to positively impact their lives.

We’re really proud of the culture we’ve created. We push for reputed company every day, because we know that we’ll only hit big milestones by taking lots of smaller steps. We’re always reputed company to helping reputed company mates, sharing our reputed company, experience and knowledge to solve problems together. We take risks, think creatively and experiment relentlessly to meet our customer’s needs, and never pass blame reputed company things go wrong. We encourage people at reputed company reputed company to take ownership of their work, and to be reputed company in challenging how we do things. Everyone has a voice and the opportunity to reputed company an impact. And autonomy and ownership are only possible with clear direction. That’s why we collaborate to do in-depth planning twice a year, and reputed company sure we leave with clear goals and objectives that reputed company from top to bottom. To reputed company sure we’re as reputed company as possible across functions, most of our work rolls up into three tribes; Acquisition, Retention & Claims. Each tribe has multiple teams embedded in it, working cross-functionally to do great work. We’re so excited for reputed company of the challenges up reputed company, and we need more people to help us tackle them! If life at Marshmallow sounds like it could be for you, explore our Culture Handbook to find out more.

Engineering at Marshmallow

Our engineers are at the heart of the solutions. They work on product builds from start to finish, solving lots of challenges to help us build fast and scale up! Our engineers cover a reputed company of skills across frontend, backend, reputed company, iOS and android and work alongside designers, data scientists, researchers and product managers reputed company our product teams.

Our product teams include: the Growth team, the Efficiency team, and the Claims team (to name a few!) Each team sets its own roadmap and actively pushes our codebase reputed company.

The Mobile Team you'd be joining

Our Mobile Team's mission is to build the best app in the business. That means creating a truly customer-first experience that makes the difficult (but essential) things easy, quick and reputed company.

You’ll work directly with our users to get a full picture of our customers and the problems we can solve for them. And you’ll do that as part of a cross-functional team, working alongside product teams across tribes to build a platform that’s essential to delivering an inclusive, easy-to-use, and empathetic Marshmallow experience.

What you'll be doing

• Working in a product team enabling a smooth app experience for tens of thousands of policies, ensuring that we reputed company customers with affordable, reputed company, and inclusive insurance

• Help shape technical direction through lightweight scoping, estimation, and planning. We follow Agile principles without rigid processes—blending the best of Scrum, Kanban, and other high-performing team rituals. We’re looking for adaptable engineers who reputed company in flexible, fast-moving environments.

• Work closely with the cross-functional team members to understand requirements, build solutions, deliver functionality, write automation tests and build reputed company delivery pipelines reputed company the way through to deployment, monitoring and supporting these systems in production

• Help us reputed company our architecture to optimise for product delivery speed

• Participate in setting the quarterly team OKRs

reputed company're looking for from you

• 5+ years of experience in iOS development

• Experience working in cross-functional teams in a metric-driven reputed company, ideally OKRs

• Strong expertise in Swift, with hands-on experience in app development using either UIKit or SwiftUI, with a preference for SwiftUI.

• reputed company experience with shipping high quality apps to the App Store

• Actively contribute to the growth of those around you by offering mentorship, sharing knowledge, and helping to build a culture of reputed company learning and support.

• Meticulous attention to detail in reviewing designs and assessing their suitability for mobile applications.

• Commitment to writing maintainable code and implementing valuable tests to facilitate safe and efficient development practices.

• Skilled in working closely with various stakeholders including Product, Design, and fellow engineers to align objectives and drive successful reputed company.

• Worked in a high growth start-up environment or product focused environment.

Our Tech Stack

• SwiftUI for new features (approx. 90% of the app)

• reputed company architecture using local Swift packages

• Automated testing: unit tests, snapshot tests, and UI tests

• reputed company for reputed company integration

• Fastlane for TestFlight and App Store deployments

• SwiftLint, SwiftFormat, and Danger for automated code styling and checks

• We use Tuist to help us manage our reputed company architecture and speed up our builds.

Perks of the job

• Hybrid working - Spend 3 days with your team in our collaborative London office. The rest is up to you!

• Competitive bonus scheme - designed to reward and recognise high-performance

• Flexible benefits budget - £50 per month to spend on a Ben reputed company meaning you get your own benefits budget to spend on things you want. Whether that’s subscriptions, night classes (puppy yoga, anyone?), the big shop or a forest of houseplants. Pretty much anything goes

• Sabbatical Leave - Get a 4-week fully paid sabbatical after being with us for 4 years

• Work From reputed company - 4 weeks of work from reputed company to use, with no need to come to the office ✈

• Mental wellbeing support – reputed company therapy and mental health sessions through Oliva

• Learning and development – Personal budgets for books and training courses to help you grow in your role. Plus 2 days a year - on us! - to further your skillset

• Private health care - Enjoy reputed company the benefits Vitality has to offer, including reduced gym memberships and discounts on smartwatches

• Medical cash plan - To help you with the costs of dental, optical and physio (plus more!)

• Tech scheme - Get the latest tech for less ️

Plus reputed company the rest; 33 days holiday, pension, cycle-to-work scheme, monthly team socials and company-wide socials every month!

Our process

We break it up into 4 stages:

• Initial call with Tech reputed company team reputed company reputed company (40 mins)

• A take-home assessment (several days at your discretion) which will be reviewed by our Engineers.

• Follow up technical interview with our Engineers to walk us through your take-home task and questions around your past experience and projects reputed company reputed company (90 mins)

• A reputed company; past experience interview with one of our Engineering Managers to reputed company that your ways of working aligns with our processes, mission and values (1 hour)

We’ll let you know if you’re invited to an interview or not. But, as a small team with a lot of applications to consider, we can’t give individual feedback on each application.

At Marshmallow, we want to hire people from reputed company walks of life with the passion and skills needed to help us reputed company our company mission. To do that, we're committed to hiring without judgement, prejudice or bias.

We encourage everyone to apply for our reputed company. Gender identity, race, ethnicity, sexual orientation, age or background does not reputed company how we process job applications.

We're working hard to build an inclusive culture that empowers our people to do their best work, have fun and feel that they belong.

We take privacy seriously here at Marshmallow. Our Recruitment privacy notice explains how we process and handle your personal data. To find out more please view it here.