iOS Developer

RemoteStar; San Francisco (CA); On-site; USD 150,000 - 210,000; Full time

Job summary

RemoteStar in San Francisco is seeking a Senior iOS Engineer to lead mobile client development for a consumer fintech platform. You will architect the iOS app, set engineering standards, and build a high-performance, secure mobile experience from the ground up.

The role offers opportunities to expand across Android and mobile-friendly web apps, with potential to evolve into a mobile lead position as the organization scales. Strong Swift/SwiftUI skills and startup experience are highly valued.

Qualifications

• 5+ years of professional experience building consumer-facing iOS applications
• Experience in fintech, banking, payments, investing, digital wallets, cryptocurrency, or stablecoins
• 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

Skills Required

Mobile Development, iOS Development, Swift

About the Job

We are building a consumer finance application for emerging markets in partnership with large global distribution partners. The product is a joint virtual banking and cryptocurrency wallet that enables users worldwide to move seamlessly within a unified financial ecosystem.

Stablecoins are transforming cross border payments and creating an opportunity to rebuild financial infrastructure for billions of people who need better financial access.

The team is senior only, fast moving, and well funded, led by founders with successful exits. Every hire directly shapes product direction and delivers immediate impact on global financial inclusion.

Role Overview

We are seeking a Senior iOS Engineer to lead mobile client development. The product roadmap includes Android and mobile friendly web applications, providing opportunities to expand impact across platforms.

You will architect the iOS application, establish engineering standards, and build a high performance, reliable, and secure mobile experience from the ground up. This role may evolve into a mobile lead position across platforms as the organization scales.

What We're Looking For

• 5+ years of professional experience building and shipping consumer-facing iOS applications
• Experience in fintech, banking, payments, investing, digital wallets, cryptocurrency, or stablecoins
• 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

What You'll Do

• 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.

Ideal Candidate:

Senior iOS Engineer with 6–10 years of experience who has built consumer-facing mobile products, preferably in fintech, payments, wallets, banking, or crypto; has strong Swift and SwiftUI expertise; owns architecture decisions; has startup experience; communicates exceptionally well; can work directly with founders; and is either already in the Bay Area or highly motivated to relocate to San Francisco.