Senior iOS Engineer at ARQ (London, United Kingdom)
ARQ· London, United Kingdom·
Role details
Competitive Salary · Hybrid Setup · Sign-On Stock Options · Discretionary Performance Bonus · Latest Tools And Technology · Growing Mobile Team
Summary
The Senior iOS Engineer will build and scale the ARQ experience, focusing on the flagship iOS app and financial product lines. This role involves writing clean Swift code, collaborating with cross-functional teams, and owning features from concept to launch to ensure high performance and reliability.
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.
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
Why work at ARQ
- Culture: “Long‑term ambition and absolute conviction”; “nimble, but ambitious” – the careers page describes a mission‑driven, execution‑focused environment
- Team & autonomy: Small teams own meaningful product areas; high ownership and rapid iteration
- Remote/office: Not explicitly stated, but likely hybrid or remote‑friendly given the global nature of the business
- Notable: Founders and early employees have built profitable products at iconic companies; strong emphasis on “world‑class in everything we do”
- Perks: Not publicly disclosed, but likely competitive compensation and equity in a high‑growth fintech