HOME Mobile Development Senior iOS Engineer
  • ARQ
  • London, Greater London
  • Full-Time
  • 9 days ago
ARQ VERIFIED EMPLOYER

Senior iOS Engineer.

Mobile Development Full-Time

Senior iOS Engineer: our view in 3 lines...

  • The Role:This role is for a senior iOS engineer building consumer and financial products for a fintech app.
  • The Person:The person will build and ship iOS features, own features from concept to launch, improve app performance and stability, contribute to app architecture, and take part in code reviews.
  • Requirements:The ideal candidate has 5+ years of professional experience in iOS development and strong proficiency in Swift and the iOS ecosystem, including UIKit, SwiftUI, and Combine.

About the role

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

Published September 22, 2026
Location London, United Kingdom
Category Mobile Development  
Job Type Full-Time