Senior iOS Application Engineer
InterSources Inc· enterprise· Software Consulting· Aug 11, 2026 · 3mo agoPosted 77 days ago
NYC, NY
Remote
Full-time
Senior
$145K–$185K est.
Before you apply
Ghost Signal:
Open 77 days.
Job description
Title: Senior iOS Application Engineer
Location: NYC NY
On-site/Remote/Hybrid: Hybrid
Duration: 12 Months
Interview Process: Webcam or In-Person
No of submissions:
No of Positions: 1
Job Description:
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 hands-on .NET MAUI/iOS engineering expertise, strong problem-solving skills, and the ability to independently deliver complex application enhancements within an enterprise environment.
Responsibilities:
• Design, develop, enhance, and support the E-Citations iOS application using .NET MAUI and C#.
• Build secure, scalable, high-performance mobile functionality using .NET 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 APIs, .NET 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 using .NET 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:
• Extensive hands-on experience developing enterprise mobile applications using .NET MAUI and C# for iOS.
• Strong experience with XAML, .NET MAUI Community Toolkit, .NET 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 APIs, .NET/ASP.NET Core services, Azure, SQL Server, and Azure SQL.
• Experience integrating .NET 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.
• Additional Skills and Information: .NET MAUI / C# iOS Application Development
• iOS Platform Integration / Native iOS APIs
• Offline-First Mobile Architecture & Synchronization
• Bluetooth / BLE & Zebra Mobile Printer Integration
• REST / GraphQL API & .NET Backend Integration
• Mobile Security, Authentication & Encryption
• Azure Services / SQL Server / Azure SQL Integration
• Mobile Testing, Debugging & Performance Optimization
• CI/CD, Code Signing, Provisioning & TestFlight
• Camera, Barcode Scanning, OCR & Document Capture
• Enterprise MDM – Intune / Workspace ONE / Jamf
• MVVM, Clean Architecture & Modular Application Design
• Mobile Telemetry, Crash Reporting & Production Support
• Accessible / Field-Oriented Mobile UI Development
• Git / GitHub / GitLab / Jenkins / Bitrise
About Us:
InterSources Inc , is a Small, Woman, and Minority-Owned Business Enterprise, ISO/IEC 27001, SOC 2 Type 2 certified company with massive 18+ years of diversified experience in providing IT Consulting Services, Artificial Intelligence, Data Analysis, Application Development, Cloud Services, Cybersecurity, Digital Marketing, ERP Management, Custom Software Development, Web Development, UI/ UX Design, System Integration, QA Support etc. We make reasonable accommodations for clients and employees, and we do not discriminate based on any protected attribute including race, religion, color, national origin, gender sexual orientation, gender identity, age, or marital status. We also are a Google Cloud and Oracle partner company.
Application prep
Use the role’s language and application details while tailoring your materials.
Keywords to mirror
restgraphqlazureci/cdagilesqlapi
- Platform
- jobdiva
- Effort
- medium
Benefits
Benefits detected in the listing.
Vision