Senior iOS Engineer

Department: Engineering

Location: London, Krakow, New York

Employment Type: FullTime

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

• Build and ship exceptional iOS experiences that are fast, intuitive, and delightful to use.

• Write clean, maintainable, and performant Swift code using modern iOS frameworks.

• Collaborate closely with Product, Design, and Backend teams to deliver features end-to-end.

• Contribute to the architecture and evolution of the iOS app as it scales.

• Own features from concept to launch, ensuring quality, polish, and reliability.

• Participate in code reviews and help improve engineering standards and best practices.

• Continuously improve app performance, stability, and user experience.

What You’ll Need

• 5+ years of professional experience in iOS development, building apps used by thousands or millions of users.

• Strong proficiency in Swift and the iOS ecosystem (UIKit, SwiftUI, Combine, etc.).

• Solid understanding of architecture patterns (MVVM, Clean Architecture) and testing practices.

• Strong ownership mindset and attention to detail when building user-facing products.

• Passion for crafting high-quality UI/UX and polished user experiences.

• Experience working in fast-paced environments, ideally in fintech or consumer tech startups.

Benefits

• Competitive salary and benefits

• Stock options, so you own part of what you build

• Discretionary performance bonus

• The latest tools and technology

• A world-class team that will challenge and grow your skills

• The opportunity to help build the best fintech app in Latin America

• Office Policy: 3-4 days a week in-office