We’re looking for a Mid iOS Engineer who’s hungry to grow and excited to build high-quality mobile experiences for millions of users. You’ll be contributing clean, maintainable Swift code and helping us deliver polished mobile experiences as we scale.
You’ll join our Core Product Team as we double the size of our mobile team, helping to build and scale the ARQ experience – from our flagship iOS app to new product lines like Premium, Stock Trading, Support Chat, and other financial products on the roadmap.
Our goal is to build the best fintech app in Latin America, and our mobile engineers play a key role in making that happen every day.
What You’ll Be DoingBuild and ship high-quality iOS features across a broad range of product areas, from Support Chat to Stock Trading.
Write clean, maintainable Swift code using Xcode and modern iOS tools.
Collaborate closely with Product, Design, Backend, and other Mobile engineers to deliver features end-to-end.
Own features from implementation through to launch, making sure they are reliable, polished, and ready for production.
Contribute to app quality across performance, stability, error states, crash handling, and UX polish.
Participate in code reviews and help maintain strong engineering standards.
Learn quickly, take ownership, and grow your impact as the mobile team scales.
2–4 years of professional experience in iOS development, ideally building consumer-facing apps.
Strong proficiency in Swift and Xcode.
Good understanding of iOS fundamentals, including app lifecycle, networking, storage, permissions, and performance.
Ability to write clean, maintainable code and follow professional software production routines.
Good understanding of app architecture and common patterns such as MVVM.
Strong product-quality mindset – you care about smooth UX, edge cases, device differences, reliability, and the overall user experience.
Ability to work independently, collaborate well with others, and learn quickly.
Good knowledge of iOS from a user perspective – you know what makes an app feel intuitive, polished, and easy to use.
Competitive salary
Hybrid setup
Sign-on stock options, so you own part of what you build
Discretionary performance bonus
The latest tools and technology
A growing mobile team with a high bar for product quality
A world-class team that will challenge and grow your skills
The opportunity to help build the best fintech app in Latin America
ARQ London, England Office
London, England, United Kingdom
