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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # iOS Application Engineer - **Company:** Yale University - **Location:** New York, NY, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Zebra (Programming Language), Testing (Software), .NET Framework, Multitier Architecture, Application Programming Interfaces (APIs), Apple Push Notification Service, Apple IOS, App Store (IOS), Optical Character Recognition (OCR), User Authentication, Build Automation, Automation of Tests, Microsoft Azure, Bluetooth, C Sharp (Programming Language), Mobile Application Development, Code Review, Cyber Security, Continuous Integration, Relational Databases, Software Debugging, Dependency Injection, Web Development, Document Capture Software, Extensible Application Markup Language, Github, Design of User Interfaces, HP Systems Insight Manager, Mobile Application Software, Microsoft Visual Studio, Microsoft SQL Server, SQL Azure, Model View ViewModel, OAuth, OpenID, Performance Tuning, Systems Development Life Cycle, Rapid Prototyping Process, Release Management, Airwatch, JSON Web Token, Mobile Security, Software Engineering, SQLite, Systems Integration, Test Execution Engine, Enterprise Software Applications, Performance Testing, Workspace ONE, Software Troubleshooting, Caching, Offline Storage, Backend, Gitlab, Git, Microsoft InTune, Enterprise Integration, Casper Suite, Graphql, Software Coding, Jenkins - **Published:** September 30, 2026 - **Apply:** https://www.dice.com/job-detail/95701d97-dcad-46c4-8a4f-8b298b8d15ca ## About the Role 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., * 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. * .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. Required Additional Skills: * Application Development - 6+ years of experience * Field Service - 6+ years of experience * Production - 6+ years of experience * Testing and Development - 6+ years of experience * Web Development/Design - 6+ years of experience * .NET Framework - 6+ years of experience * Visual Studio - 6+ years of experience * .NET Code Development - 6+ years of experience * Developing/Executing Test Plans - 6+ years of experience * GUI Design in a .NET Framework - 6+ years of experience * Product Development - 6+ years of experience * Rapid Prototyping System Development - 6+ years of experience * User Interface Design - 6+ years of experience * Wireless/Mobile Development - 6+ years of experience ## 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., * 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 staterror 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. ## Related Videos - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [Discover .NET MAUI](https://www.wearedevelopers.com/videos/700-discover-net-maui) - [Delegating the chores of authenticating users to Keycloak](https://www.wearedevelopers.com/videos/1558-delegating-the-chores-of-authenticating-users-to-keycloak) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Delay the AI Overlords: How OAuth and OpenFGA Can Keep Your AI Agents from Going Rogue](https://www.wearedevelopers.com/videos/1637-delay-the-ai-overlords-how-oauth-and-openfga-can-keep-your-ai-agents-from-going-rogue) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## Related Articles - [A Guide to Choosing the Right Tools for App Developers](https://www.wearedevelopers.com/magazine/391-a-guide-to-choosing-the-right-tools-for-app-developers) - [Cross Platform Mobile Development Frameworks to Use in 2025](https://www.wearedevelopers.com/magazine/404-cross-platform-mobile-development-frameworks-to-use-in-2025) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Basic And Advanced Networking in Dart and Flutter](https://www.wearedevelopers.com/magazine/112-basic-and-advanced-networking-in-dart-and-flutter) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know)