Senior iOS SDK Engineer

Recurly; United States; Remote; USD 120,000 - 160,000; Full time

Job summary

A leading company seeks a Senior iOS SDK Engineer to develop and maintain its mobile foundation. This role involves building SDKs for real-time personalization and analytics integrations, emphasizing high performance and developer experience. The ideal candidate thrives in cross-functional teams and enjoys tackling technical challenges at scale.

Benefits

Competitive benefits programs

Qualifications

• 5+ years of professional experience developing iOS applications or SDKs.
• Expert-level proficiency in Swift, including SwiftUI and UIKit.
• Experience developing iOS libraries or SDKs used by external teams or partners.

Responsibilities

• Design, build, and maintain iOS SDKs and demo apps.
• Develop and test new features, enhancements, and bug fixes.
• Package and publish SDK releases with clear documentation.

Skills

Swift

iOS Development

Performance Optimization

Agile Methodology

Job description

About Recurly:

Recurly, Inc., a SaaS company, provides a versatile subscription management platform to manage the entire subscription lifecycle for market-leading brands worldwide. Subscription businesses such as Sling TV, FabFitFun, Cinemark and Fubo.tv depend on Recurly to harness the power of the subscription model and drive recurring revenue growth. Since its launch in 2009, Recurly has deployed subscription billing for thousands of companies across 55 countries. Our platform empowers billions of credit card transactions and has enabled customers to recover nearly $1.3 billion in revenue in 2024.

Recurly is backed by Accel-KKR, a leading technology-focused private equity firm with over $10 billion in capital commitments. The partnership offers Recurly access to significant capital and resources to make continued investments in technology and platform innovation and expand our go-to-market initiatives.

We’re looking for a Senior iOS SDK Engineer to help build and maintain the mobile foundation of our customer engagement platform. In this role, you'll lead development of our iOS SDK and related tools that enable real-time personalization, campaign delivery, and analytics integrations within third-party mobile applications.Our stack emphasizes performance, stability, and ease of integration, and we value engineers who bring a product mindset, a strong sense of ownership, and attention to developer experience. You’ll work closely with engineers, product managers, platform teams, and Customer Success teams to build SDKs that meet the evolving needs of our partners.

This is a great opportunity for someone who thrives in cross-functional teams, enjoys solving technical challenges at scale, and wants to make a direct impact in both the MarTech and Payments spaces.

Responsibilities

• SDK Development: Design, build, and maintain iOS SDKs and demo apps that are performant, secure, and easy for partners to integrate.
• Feature Implementation: Develop and test new features, enhancements, and bug fixes with attention to quality, reliability, and backward compatibility.
• Release Management: Package and publish SDK releases for public and partner use with clear documentation and versioning.
• Integration Collaboration: Work with platform teams and Customer Success teams to ensure seamless client-to-platform integration.
• Code Quality: Write automated tests and follow best practices to ensure maintainability and robustness across iOS versions.
• Performance Optimization: Troubleshoot and resolve performance issues, bugs, and edge-case behaviors on iPhone, iPad, and tvOS devices.
• Agile Execution: Adapt to a fast-paced, agile development environment with shifting priorities and evolving product goals.
• Continuous Improvement: Stay current with the latest trends in iOS development and mobile SDK design to inform technical direction and improve developer experience.

Qualifications

• 5+ years of professional experience developing iOS applications or SDKs
• Expert-level proficiency in Swift, including SwiftUI and UIKit
• Experience developing iOS libraries or SDKs used by externalteams or partners
• Deep understanding of app lifecycle, concurrency, memory management, and performance optimization on iOS
• Skilled in writing unit and integration tests for iOS (e.g., XCTest, XCUITest)
• Experience publishing SDKs using Swift Package Manager and/or CocoaPods
• Hands-on experience developing for both iPhone and iPad
• Comfortable collaborating with platform teams and Customer Success teams on integrated solutions
• Excellent communication and documentation skills
• Experience working in agile, cross-functional environments

Bonus Points

• 5+ years of professional experience developing iOS applications or SDKs
• Expert-level proficiency in Swift, including SwiftUI and UIKit
• Experience developing iOS libraries or SDKs used by externalteams or partners
• Deep understanding of app lifecycle, concurrency, memory management, and performance optimization on iOS
• Skilled in writing unit and integration tests for iOS (e.g., XCTest, XCUITest)
• Experience publishing SDKs using Swift Package Manager and/or CocoaPods
• Hands-on experience developing for both iPhone and iPad
• Comfortable collaborating with platform teams and Customer Success teams on integrated solutions
• Excellent communication and documentation skills
• Experience working in agile, cross-functional environments

As a full-time employee, we offer competitive benefits programs and perks designed to fit your needs and the needs of your family.

Recurly is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to gender, age, race, religion, or any other classification which is protected by applicable law. Recurly is committed to providing reasonable accommodations for candidates with disabilities in our recruiting process. If you need any assistance or accommodations due to a disability, please let us know [e-mail]