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# iOS Engineer

- **Company:** RAIN, Inc
- **Location:** New York, United States (Remote available)
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Apple Xcode, App Store (IOS), Mobile Application Development, Cloud Computing, Software Quality, Code Review, Continuous Integration, Data Security, Dependency Injection, Data Processing, Uikit, Swiftui, Ios Frameworks, Backend, Core Data, Web3.js, Restful APIs
- **Published:** September 4, 2026
- **Apply:** https://startup.jobs/ios-engineer-rain-xyz-7886001

## About the Role

* 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. You've made foundational decisions on project structure, navigation patterns, state management, and dependency injection
 * Solid understanding of networking layers, RESTful API integration, and secure data handling
 * A disciplined approach to code quality: you write testable code, value code review, and care about maintainability
 * Comfort working autonomously with minimal direction - you'll be the mobile expert in the room
 * Strong product sensibility: you think beyond tickets and advocate for great user experiences
 * Excellent communication skills; you can translate technical tradeoffs for non-technical stakeholders

Bonus attributes:

 * 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

## Description

* 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


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