Senior iOS Engineer
- Level
- Senior
- Work type
- Hybrid · London
Not stated in the posting: salary, visa.
Open. First seen 14 June 2026.
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
What this role asks for
Particular to this role
UIKit
Rare in ARQ's other 16 open postings.
Standard for mobile roles
Swift · iOS
Common in mobile postings at any company.
Read against ARQ's other open postings on this site.
The team: Engineering HIRES STEADILY
This role is one of 10 open in Engineering. 7 were posted in the last 30 days and the oldest in July: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Java (9 of 10), Microservices (9 of 10), PostgreSQL (9 of 10), REST (9 of 10), Spring (9 of 10)
OTHER ROLES ON THIS TEAM
- Lead Software Engineer (Java) posted Oct 5
- Lead Software Engineer(Java) posted Oct 5
- Senior Software Engineer (Java) posted Oct 5
- Senior Software Engineer (Java) posted Oct 5
- Software Engineer (Java) posted Oct 5
- Software Engineer (Java) posted Oct 5
- Software Engineer (Java Backend) posted Sep 10
- Senior Software Engineer (Java) posted Jul 15
- Lead Software Engineer (Java) posted Jul 15
From the team and dates on ARQ's own job board.
Salary context
11 other open postings titled Senior iOS Engineer state a salary: median USD 162,000 to USD 240,000 a year.
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