iOS Engineer

What you'll do:

• Own the entire iOS development lifecycle, from architecture and implementation to App Store delivery.
• Build polished, production-grade mobile apps that leverage Rain's issuance platform and APIs for clients and their end users.
• Collaborate closely with product, design, and backend engineers to define the mobile roadmap and translate platform capabilities into intuitive native experiences.
• Architect a clean, scalable codebase that can serve as the foundation as the mobile team grows.
• Integrate with Rain's APIs for card issuance, transaction management, balance queries, and other payment flows.
• Implement secure authentication, tokenization, and data handling appropriate for a financial services context.
• Drive decisions on tooling, frameworks, CI/CD, and testing strategy for mobile.
• Contribute to the broader engineering culture as an early team member with outsized influence on how we build.

Qualifications:

• 4–10 years of professional mobile development experience, with multiple apps shipped to the App Store.
• Proficiency in Swift and deep familiarity with Apple's frameworks (UIKit, SwiftUI, Combine, Core Data, etc.).
• Experience architecting iOS apps from scratch, foundational decisions on project structure, navigation patterns, state management, dependency injection.
• Solid understanding of networking layers, RESTful API integration, and secure data handling.
• A disciplined approach to code quality, write testable code, value code review, care about maintainability.
• Comfort working autonomously with minimal direction.
• Strong product sensibility, advocate for great user experiences.
• Excellent communication skills, translate technical tradeoffs for non-technical stakeholders.
• Experience in fintech, payments, or crypto/web3.
• Familiarity with card issuance, wallet UX, or financial transaction flows.
• Experience with WKWebView-based hybrid architectures or embedded SDK patterns.
• Background in building white-label or multi-tenant mobile experiences.
• Exposure to CI/CD tooling for iOS (Fastlane, Xcode Cloud, Bitrise, etc.).
• Experience being the first or early mobile hire at a startup.

What the company offers:

• Salary: $170K – $240K.
• Offers Equity.
• Offers Bonus.