Senior iOS Engineer
Arq · London
What this role requires
4 requirements, read out of the advert rather than guessed from the job title:
Also mentioned, not required: MVVM, Clean Architecture, English (B2). Worth having, but their absence is not what gets a CV filtered out.
See how often each of these is required across open mobile roles in Europe.
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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.
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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
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