iOS Engineer

Freetrade; Greater London; Hybrid; GBP 52,000 - 75,000; Full time

Job summary

Freetrade is expanding its mobile engineering team in London to build new features for the iOS app, alongside design, product and QE. You will contribute to a modern GraphQL-based backend and a cohesive SwiftUI-based UI.

You should have 3–5 years of production mobile experience, strong problem-solving skills, and a solid grasp of iOS architecture, CI practices, and collaborative development.

Qualifications

• Typically around 3–5 years of experience developing production-grade mobile applications.
• Strong problem-solving skills and a drive to continually improve.
• Good understanding of iOS architecture and common patterns.
• Experience with Swift, DI frameworks, and SwiftUI.
• Experience with Combine, Swift Concurrency or RxSwift.
• Familiarity with Human Interface Guidelines, Git and CI/build tooling (e.g. CircleCI).

Responsibilities

• Contribute to the development of new features and maintain existing features of the iOS app, ensuring high performance, quality, security and responsiveness.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Ensure robustness by writing tests and participating in code reviews.
• Identify bottlenecks and fix bugs to maintain code quality, organization, automation and releases.

Skills

Swift

SwiftUI

Combine

RxSwift

DI frameworks

CI/CD

Git

iOS architecture

Tools

Apollo GraphQL

Job description

About Freetrade

Freetrade’s mission is to become the default place to invest. Investing has been too complicated and expensive for too long, keeping millions from making the most of their savings.

We’re changing that.

We’re building our team and looking for people who are excited to reshape how our customers invest and grow their wealth. If you’re driven by solving complex problems and building innovative products, you’ll fit right in.

2026 is a big year for us. Last year, we announced a game changing deal to become part of the IG Group. We’ll continue to operate as an independent business while gaining access to the resources and support of an established leader in the space.

This year, we’re accelerating our roadmap and taking our products to the next level. We’re building new features like mutual funds, bonds, and family investment tools. We’re also exploring how we can leverage AI to deliver an even better experience for our customers.

Why Join Our Engineering Team?

Freetrade Engineers play a pivotal role in developing and maintaining a robust, scalable platform used by thousands daily. We tackle big technical challenges, drive innovation, and build solutions that make a real impact.

Here, your code doesn’t just run - it powers the decisions of investors across the UK.

About the role

As part of our dedicated mobile engineering team, you will work on implementing new features. In collaboration with design, product and QE teams you will craft user experiences that will delight our customers.

You will also contribute towards priorities around platform issues, technical debt, patterns, and architecture, ensuring we deliver a high-quality app and an excellent developer experience.

We have recently rebranded key parts of the app, creating a new design system from scratch built with Swift UI, and have started transitioning to a modern, unified GraphQL API using Apollo.

What you’ll do

• 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 QE) 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

About you

• 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 iOS architecture and common patterns
• Experience iwith Swift, DI frameworks, and SwiftUI.
• Experience with Combine, Swift Concurrency or RxSwift.
• Good understanding of Human Interface Guidelines.
• Familiarity with git and collaborative development practices.
• Understanding of CI and build tooling such as CircleCI.

Our hybrid model

We work from our central London and Budapest offices on Monday, Tuesday, and Thursday, leaving Wednesday and Friday for dedicated focus time at home.

We believe in the power of in-person collaboration to build a strong culture, but we know "life happens." If you have caregiving or personal responsibilities that require extra flexibility, let’s talk about it.

Our interview process

We keep things simple and transparent. You’ll meet one of our Talent Partners for a technical screening call, typically followed by:

1. Hiring Manager interview
2. Live coding interview
3. System design interview
4. Values interview

Check out our benefits

We are an Equal Opportunity employer committed to a diverse and representative team. Whatever your race, religion, colour, national origin, gender, sexual orientation, age, marital status, or disability - we want to hear from you.

To find out more about how we look after your personal data when you apply for a job with us, please see our Recruitment Privacy Policy here.

Please note we are not accepting agency CVs.

Compensation: £52K – £75K Offers Bonus

• Gross Base Salary £52K – £75K Offers Bonus