Senior iOS Engineer — Fintech Wallet (Visa Sponsorship)

Remotestar; San Francisco, Northern (CA, KY); Hybrid; USD 150,000 - 210,000; Full time

Job summary

Remotestar is seeking a Senior iOS Engineer to lead mobile client development for a consumer fintech product. You will architect the iOS app, establish engineering standards, and deliver a high-performance, secure mobile experience from the ground up.

You will collaborate with product and design, own architectural decisions, and help scale as we expand across platforms, with opportunities to advance into a mobile lead role.

Qualifications

• 5+ years of professional experience shipping consumer iOS apps.
• Fintech, banking, payments, investing, digital wallets, cryptocurrency, or stablecoins experience.
• Strong expertise in native iOS development with Swift.
• Experience owning or leading the architecture of production iOS applications.
• Experience building products from the ground up, preferably in a startup or small, high-autonomy engineering team.
• Strong understanding of scalable and high-performance mobile architectures.
• Production experience with SwiftUI.
• Strong understanding of modern Swift concurrency and asynchronous programming.
• Excellent understanding of APIs, networking, state management, persistence, and mobile system design.
• Strong engineering judgment and the ability to explain why a particular technical approach is appropriate.
• A product mindset — you care about the user experience, not just the implementation.
• Ability to operate independently in a fast-moving, ambiguous environment.

Responsibilities

• Architect and build a high-performance iOS application from the ground up.
• Own major technical decisions around architecture, scalability, reliability, and maintainability.
• Build secure experiences for authentication, account management, payments, and financial transactions.
• Develop modern iOS experiences using Swift and SwiftUI, while leveraging UIKit where appropriate.
• Design solutions for networking, state management, caching, synchronization, and API failures.
• Establish engineering standards, patterns, testing practices, and CI/CD processes. Work closely with backend engineers to design APIs and end-to-end product flows.
• Partner directly with product and design to improve user experience and simplify complex financial workflows.
• Help establish the technical foundation that future mobile engineers will build upon.
• Contribute beyond the iOS layer when your experience can improve the overall product.

Skills

Mobile Development

iOS Development

Swift

Job description

Remotestar is seeking a Senior iOS Engineer to lead mobile client development for a consumer fintech product. You will architect the iOS app, establish engineering standards, and deliver a high-performance, secure mobile experience from the ground up.

You will collaborate with product and design, own architectural decisions, and help scale as we expand across platforms, with opportunities to advance into a mobile lead role.