Senior IOS Engineer

We are on the hunt for a seasoned Senior iOS Engineer to lead the charge in crafting innovative experiences for our cutting-edge Fan and Staff Apps. Join us at the forefront of sports technology as you develop seamless features, ranging from biometric entry and frictionless shopping to mobile ticketing and real-time loyalty rewards, enhancing the experience.

Responsibilities

This pivotal role demands a technical expert capable of mastering complex third-party SDK integrations, working with Bluetooth and Ultra-Wideband hardware connectivity, and delivering smooth, reliable user experiences under the high-pressure environment of live sporting events. If you thrive on pushing the boundaries of mobile innovation in a dynamic setting, we want to hear from you. Key Responsibilities:

• Lead development of the Fan App (iPhone) and Staff App (iPad) iOS applications.
• Architect and implement new features, including biometric enrollment (GameFace ID), mobile ticketing, payments, and loyalty rewards.
• Integrate and manage third-party SDKs, including Ticketmaster, Adobe Experience Platform, and Chase Payments (Tap to Pay).
• Implement Bluetooth Low Energy (BLE) and Ultra-Wideband (UWB) connectivity for smart seat integration.
• Collaborate with backend teams to consume REST APIs and handle state synchronization across distributed systems.
• Ensure excellent performance and reliability under event-day conditions (high concurrency, network variability).
• Mentor junior iOS developers and conduct thorough code reviews.
• Work with QA to establish comprehensive test coverage using XCTest and XCUITest.
• Participate in cross-functional pods with backend, Android, and QA engineers.
• Contribute to architectural decisions and drive improvements to the mobile codebase.
• Support TestFlight distribution and App Store release processes.
• Participate in on-call rotations for event-day support.
  
  

Required Qualifications:

• 5 years of professional iOS development experience.
• Expert-level proficiency in Swift and UIKit.
• Strong experience with SwiftUI for modern declarative UI development.
• Deep understanding of iOS architecture patterns (MVVM, VIPER, Clean Architecture).
• Experience integrating and managing complex third-party SDKs.
• Proficiency with RESTful API integration and handling asynchronous network operations.
• Experience with Combine or RxSwift for reactive programming patterns.
• Strong understanding of iOS state management patterns and data persistence.
• Experience with Core Bluetooth for BLE device connectivity.
• Familiarity with CI/CD pipelines for iOS (Azure DevOps, Fastlane, or similar).
• Experience with TestFlight distribution and App Store submission processes.
• Proficiency with Git (GitFlow branching strategy preferred).
• Strong debugging skills, including profiling with Instruments.
• Experience writing unit tests with XCTest and UI tests with XCUITest.
• Bachelor's degree in Computer Science or related field (or equivalent experience).
  
  

Preferred Qualifications:

• Experience with iPad app development and adaptive layouts.
• Knowledge of Ultra-Wideband (UWB) for spatial awareness and proximity detection.
• Experience with biometric enrollment flows (Face ID, custom facial recognition).
• Background in sports, entertainment, or ticketing applications.
• Experience with Ticketmaster SDK or ticketing system integrations.
• Familiarity with payment processing SDKs (Chase, Square, Apple Pay).
• Experience with push notifications and background processing.
• Knowledge of accessibility best practices (VoiceOver, Dynamic Type).
• Experience with SonarQube or similar code quality tools.
• Familiarity with analytics SDKs (Adobe Analytics, Firebase).
• Experience supporting apps with large user bases under high-concurrency conditions.
  
  

Tech Stack:

• Languages: Swift 5.x.
• UI Frameworks: UIKit, SwiftUI.
• Architecture: MVVM, Clean Architecture.
• Networking: URLSession, Combine.
• Hardware: Core Bluetooth, Ultra-Wideband.
• Third-Party SDKs: Ticketmaster, Adobe Experience Platform, Chase Payments.
• Testing: XCTest, XCUITest.
• CI/CD: Azure DevOps, TestFlight.
• Version Control: Git (Bitbucket), GitFlow.
• Code Quality: SonarQube.
  
  

Benefits:

• 401(k).
• Dental Insurance.
• Health insurance.
• Vision insurance.
• We are an equal-opportunity employer and value diversity, equality, inclusion, and respect for people.
• The salary will be determined based on several factors, including, but not limited to, location, relevant education, qualifications, experience, technical skills, and business needs.
  
  

Additional Responsibilities:

• Participate in OP monthly team meetings and participate in team-building efforts.
• Contribute to OP technical discussions, peer reviews, etc.
• Contribute content and collaborate via the OP-Wiki/Knowledge Base.
• Provide status reports to OP Account Management as requested.
  
  

About us:

OP is a technology consulting and solutions company, offering advisory and managed services, innovative platforms, and staffing solutions across a wide range of fields - including AI, cybersecurity, enterprise architecture, and beyond. Our most valuable asset is our people: dynamic, creative thinkers who are passionate about doing quality work. As a member of the OP team, you will have access to industry-leading consulting practices, strategies & and technologies, innovative training & education. An ideal OP team member is a technology leader with a proven track record of technical excellence and a strong focus on process and methodology. PDN-a2020e7d-5e33-460f-ba2f-afef191fc9d1