Senior iOS Engineer

Company: ARQ
Apply for the Senior iOS Engineer
Location: London
Job Description:

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.

Why You’ll Love It Here

  • 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

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Posted: May 21st, 2026