iOS Engineer (Mid-level)
Role details
Job location
Tech stack
Job description
The role requires someone with a good understanding of the iOS mobile platform, ability to problem solve, and passion to improve their skills and deliver within a highly collaborative team. This is a unique opportunity to work with knowledgeable and experienced mobile engineers across both iOS and Android platforms, that will help develop your abilities.
As part of our dedicated mobile engineering team, you will work on implementing new features as well as ensuring high levels of customer satisfaction by assisting in handling customer queries and feedback. In collaboration with design, product and QA teams you will craft new user experiences that will delight our customers. You will also help guide priorities around platform issues, technical debt, patterns, and architecture, ensuring we deliver a high-quality app and an excellent developer experience.
Our Mobile team's tech stack :
- Our iOS app is written fully in Swift
- Our app's UI is built using SwiftUI, with some UIKit code that we are in the process of migrating away from
- We organise our components using the MVVM-C pattern
- We use RxSwift for reactive data handling, with an ongoing migration toward Swift Concurrency
- We use Factory for dependency injection
- Screens are constructed with building blocks from our design system, built in SwiftUI
- We use a layered modular architecture using Swift Packages to optimise scalability
- We have recently transitioned to a modern, unified GraphQL API using Apollo
What you'll be doing & your impact
- Contribute to the development of new features and maintain existing features of the Freetrade iOS app. Ensure high performance, quality, security and responsiveness of the application.
- Collaborate with cross-functional teams (including backend, design, product, and QA) to define, design, and ship new features.
- Ensure the robustness of the application by writing tests and participating in code reviews.
- Identify and correct bottlenecks and fix bugs. Help maintain code quality, organisation, automation and application releases
- Ensure customer satisfaction by participating in a support rota to understand and address customer issues
Requirements
- Typically around 3-5 years of experience developing production grade mobile applications
- Strong ability to problem solve and passionate about improving your skills and knowledge
- Good understanding of mobile architectural patterns, such as MVVM or MVP or VIPER
- Experience in using industry standard tools for iOS development, such as Swift, SwiftUI and Xcode
- Experience of using reactive libraries, such as Combine or RxSwift
- Good understanding of Human Interface Guidelines.
- Working understanding of using code version control tools (such as Git).
- Appreciation of continuous integration and build tools (CircleCI).
Benefits & conditions
Freetrade is the place to accelerate your career. Our benefits package and ways of working are designed to attract and retain the most talented people who are dedicated to making an impact at Freetrade.
Here's what's on offer in 2026:
Hybrid working culture
- We're operating in a hybrid model: 3-days in-office / 2-days from home . We believe great collaboration happens in person and our beautiful offices in central London and Budapest are designed to bring people together.
Office days: Monday, Tuesday, Thursday Work from home days: Wednesday, Friday
This setup helps us stay connected, collaborate more effectively, and keep building a culture where we all do our best work together, including dedicated days for focus work.
Flexibility for those who need it : We have a hybrid working model, but life happens. If you need flexibility let's talk about it, whether you're a parent or have other care responsibilities.
Values
At Freetrade we live and breathe our values: Honesty , Focus and Grit . Expect to be asked about these in your interview!
Benefits In London :
- Competitive salary - carefully benchmarked.
- Base salary band for the position: £52K - £75K
- Holidays - 25 days plus UK public holidays. Your birthday off, plus one extra day for every year at Freetrade
- Enhanced pension - We'll match your contributions up to 7%.
- Group Life Insurance - Protect your loved ones with coverage at 5x your salary, ensuring financial security in any circumstance
- Private Health Insurance - Which includes access to high quality medical care, mental health support, dental and vision plans, Wellness programs and preventative care initiatives are also provided to ensure the wellbeing of your entire family
- Income Protection Cover - Safeguard your income with comprehensive coverage, ensuring financial stability in the event of illness or injury
- Enhanced parental leave - Time off when it matters most
- Flexibility for those who need it - We're office-first, but life happens. Whether you're a parent or have care responsibilities, we focus on output and trust you to manage your time
- Learning & Development - We fund industry qualifications so you can grow as a financial services professional
- Cycle to Work scheme - Get a high quality bike and gear through our salary sacrifice scheme, spreading the cost with tax free monthly installment
- Paid Sick Leave - Receive 10 days of fully paid sick leave each calendar year
Interview Process We keep things simple and transparent. Our process includes:
- Initial interview - A chat with our Senior Talent Partner
- Hiring Manager interview - A deep dive into your skills and experience
- Live Coding - Show us how you think and solve problems
- System Design - We'll explore how you design systems to handle real-world challenges
- Executive interview - A conversation with our stakeholders, where we also assess cultural fit