ARQ
ARQ opens the world's strongest currencies and markets to investors, travelers and workers to store and grow their money from anywhere in the world.
- Open roles
- 36
- New role every
- ~2.2 days
Job facts
- Location
- London
- Workplace
- hybrid
- Type
- full-time
- Department
- Engineering
- Posted
- May 19, 2026
Senior iOS Engineer
at ARQ
What We’re Looking For
We’re looking for a Senior iOS Engineer who’s passionate about building elegant, reliable, and high-performance products that users love. You’ll be a hands-on engineer, contributing high-quality code and helping raise the bar for engineering standards across the team.
You’ll join our Core Product Team , helping to build and scale the ARQ experience — from our flagship iOS app to new product lines like Premium, Credit, and other financial products on the roadmap.
What You’ll Be Doing
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Build and ship exceptional iOS experiences that are fast, intuitive, and delightful to use.
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Write clean, maintainable, and performant Swift code using modern iOS frameworks.
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Collaborate closely with Product, Design, and Backend teams to deliver features end-to-end.
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Contribute to the architecture and evolution of the iOS app as it scales.
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Own features from concept to launch, ensuring quality, polish, and reliability.
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Participate in code reviews and help improve engineering standards and best practices.
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Continuously improve app performance, stability, and user experience.
What You’ll Need
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5+ years of professional experience in iOS development, building apps used by thousands or millions of users.
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Strong proficiency in Swift and the iOS ecosystem (UIKit, SwiftUI, Combine, etc.).
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Solid understanding of architecture patterns (MVVM, Clean Architecture) and testing practices.
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Strong ownership mindset and attention to detail when building user-facing products.
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Passion for crafting high-quality UI/UX and polished user experiences.
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Experience working in fast-paced environments, ideally in fintech or consumer tech startups.
Why You’ll Love It Here
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Competitive salary
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Hybrid setup
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Sign-on stock options, so you own part of what you build
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Discretionary performance bonus
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The latest tools and technology
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A growing mobile team with a high bar for product quality
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A world-class team that will challenge and grow your skills
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The opportunity to help build the best fintech app in Latin America