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Senior iOS Application Engineer-5908-1
Job Location:
Job Location:
New York City, NY - USA
Salary:
Not provided by the employer
Salary:
Experience Required:
5years
Experience Required:
Posted:
12 August 2026 (30+ days ago)
Posted:
Application Deadline:
9 November 2026
Application Deadline:
Vacancies:
1 Vacancy
Vacancies:
Job Summary
Name of position: Senior iOS Application Engineer-5908-1
Location: 2 Broadway - MTA Headquarters NY
Note: Hybrid role with 3 days on-site
Position Overview
The Senior iOS Application Engineer / Consultant will support the design development enhancement integration testing deployment and production support of the E-Citations mobile application.
The consultant will work closely with Product Engineering Architecture Cybersecurity Infrastructure and business stakeholders to deliver secure reliable high-performance functionality for field operations.
This role requires deep MAUI/iOS engineering expertise strong problem-solving skills and the ability to independently deliver complex application enhancements within an enterprise environment.
Key Responsibilities
Design develop enhance and support the E-Citations iOS application MAUI and C#.
Build secure scalable high-performance mobile functionality MAUI XAML and native iOS APIs where required.
Develop offline-first capabilities including local storage caching background synchronization retry logic conflict resolution and offline/online reconciliation.
Integrate securely with REST/GraphQL backend services Azure services relational databases and enterprise systems.
Develop and support Bluetooth/BLE integrations including Zebra ZQ-series mobile printers connection recovery and printer status/error handling.
Implement camera photo capture barcode scanning OCR document scanning and identity-related workflows MAUI and native iOS capabilities.
Implement secure authentication and data protection using OAuth 2.0 OIDC JWT Keychain encryption certificate pinning and secure local storage.
Develop responsive accessible field-friendly interfaces optimized for rapid operational workflows.
Perform unit integration regression UI and performance testing; troubleshoot application connectivity integration and production issues.
Support CI/CD automated builds provisioning code signing release workflows telemetry and production support.
Participate in Agile delivery estimation code reviews demonstrations and release planning.
Maintain technical documentation for developed functionality integrations deployment and operational support.
Required Skills & Experience
Extensive hands-on experience developing enterprise mobile applications MAUI and C# for iOS.
Strong experience with MAUI Community MAUI Essentials MVVM Clean Architecture and dependency injection.
Experience building offline-first mobile applications using SQLite local caching synchronization retry and conflict-resolution patterns.
Hands-on experience with Bluetooth/BLE and Zebra mobile printers preferably including Zebra ZQ-series printers and Zebra SDK integration.
Strong experience integrating mobile applications with REST/GraphQL / Core services Azure SQL Server and Azure SQL.
Experience MAUI applications with native iOS frameworks and platform-specific APIs where required.
Strong knowledge of enterprise security including OAuth OIDC JWT Keychain encryption certificate pinning and application hardening.
Experience with enterprise MDM platforms such as Microsoft Intune Workspace ONE/AirWatch or Jamf.
Strong experience with Git GitHub/GitLab CI/CD Jenkins/Bitrise automated testing provisioning and signing.
Knowledge of App Store Connect APNs telemetry crash reporting diagnostics and application monitoring.
Strong troubleshooting collaboration and independent execution skills within complex enterprise environments.
Preferred Experience
Experience supporting public-sector public-safety transportation enforcement citation or field-workforce applications particularly solutions involving mobile printing offline operation secure enterprise integration and mission-critical field usage.
Required Skills:
5 years of professional mobile application development Flutter / Dart iOS and Android development experience. Mobile application publishing applications to Apple App Store and Google Play.
Required Education:
Bachelors degree in information systems Computer Science or equivalent experience
