IOS Developer

Job Role: IOS Developer

Location: Pittsburgh, PA or Dallas, TX, Birmingham, Alabama or Phoenix, AZ – Hybrid

Job Type: Contract

 Job Summary

We are seeking an experienced Senior iOS Developer with strong hands-on experience in iOS application development and proven experience working within the banking or financial services domain. The ideal candidate will be responsible for designing, developing, testing, and maintaining secure, scalable, and high-performance mobile applications used by banking customers.

The candidate should have strong expertise in Swift, SwiftUI/UIKit, iOS SDK, REST APIs, and mobile application security, along with a solid understanding of banking applications, financial transactions, authentication, and regulatory requirements.

Required Skills

• 6+ years of professional iOS development experience.
• Strong hands-on experience with Swift.
• Strong knowledge of SwiftUI and UIKit.
• Experience with iOS SDK, Xcode, Cocoa Touch, and Apple development frameworks.
• Strong experience developing and consuming REST APIs.
• Experience with Git and modern software development practices.
• Experience with unit testing and UI testing using XCTest/XCUITest.
• Knowledge of iOS application architecture such as MVVM, MVC, VIPER, or Clean Architecture.
• Strong understanding of asynchronous programming, concurrency, memory management, and performance optimization.
• Experience with JSON, URLSession, Codable, and API integration.
• Knowledge of mobile application security, encryption, secure storage, and authentication mechanisms.

Key Responsibilities

• Design, develop, and maintain high-quality native iOS applications using Swift.
• Build responsive and scalable mobile applications using SwiftUI and/or UIKit.
• Develop and integrate RESTful APIs, JSON services, and backend systems.
• Implement secure features for banking applications, including authentication, authorization, payments, account management, and transaction workflows.
• Work with biometric authentication, OAuth 2.0, JWT, MFA, and secure data storage.
• Integrate third-party SDKs, APIs, payment services, and financial platforms.
• Collaborate with product managers, UX/UI designers, backend engineers, QA teams, and business stakeholders.
• Write clean, maintainable, reusable, and well-tested code.
• Perform unit testing, UI testing, debugging, profiling, and performance optimization.
• Identify and resolve application defects, crashes, memory issues, and performance bottlenecks.
• Follow mobile application security best practices and banking industry standards.
• Participate in code reviews and contribute to development standards and best practices.
• Support CI/CD pipelines and automated mobile application deployment.
• Troubleshoot production issues and provide timely resolutions.
• Ensure applications comply with organizational security, privacy, and regulatory requirements.