Senior iOS Application Engineer

NAVA Software Solutions; New York (NY); Hybrid; USD 130,000 - 170,000; Full time

Job summary

NAVA Software Solutions seeks a Senior iOS Mobile Engineer to design, implement, and optimize the E-Citations iOS app using .NET MAUI and C#. The role blends on-site work at 2 Broadway with a flexible hybrid schedule.

The engineer will build offline-capable features, integrate with REST/GraphQL and Azure, and ensure secure, high-performance mobile delivery in an enterprise environment.

Qualifications

• Extensive hands-on experience developing enterprise mobile apps with .NET MAUI and C# for iOS.
• Strong knowledge of XAML, MVVM, Clean Architecture, and dependency injection.
• Experience with offline-first mobile apps using SQLite, caching, synchronization, and conflict resolution.
• Experience integrating REST/GraphQL APIs, Azure, SQL Server, and enterprise systems.
• Experience with Bluetooth/BLE and Zebra printers; Zebra SDK integration preferred.

Responsibilities

• Design, develop, and support the E-Citations iOS app using .NET MAUI and C#.
• Build secure, scalable mobile features with MAUI, XAML, and iOS APIs.
• Develop offline capabilities with local storage, caching, and sync.
• Integrate REST/GraphQL with .NET services, Azure, and databases.
• Support Bluetooth/BLE integrations and Zebra printers.
• Implement secure auth with OAuth2/OIDC/JWT and Keychain.
• Create responsive, accessible UI for field operations.
• Perform tests and support CI/CD, deployments, and telemetry.
• Maintain technical docs for functionality and deployment.

Skills

.NET MAUI

C# for iOS

MVVM

XAML

Offline-first apps

REST/GraphQL integration

Azure

Git/CI/CD

Bluetooth/BLE

Zebra printers

App Store Connect/APNs

Job description

Job Title: CES Request ID: 5908-1 - Senior iOS Mobile Engineer – .NET MAUI / C#

Location: 2 Broadway, NYC (Hybrid 3 days on site and 2 days remote)

This role is hybrid - 3 days on site or as needed. Available locations: 2 Broadway, NYC

Senior iOS Application Enginee

r
Position Overvi

• ewThe Senior iOS Application Engineer / Consultant will support the design, development, enhancement, integration, testing, deployment, and production support of the E-Citations mobile applicatio
• n.The consultant will work closely with Product, Engineering, Architecture, Cybersecurity, Infrastructure, and business stakeholders to deliver secure, reliable, high-performance functionality for field operation
• s.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 environmen

t.
Key Responsibilit

• iesDesign, 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 requir
• ed.Develop offline-first capabilities, including local storage, caching, background synchronization, retry logic, conflict resolution, and offline/online reconciliati
• on.Integrate securely with REST/GraphQL APIs, .NET backend services, Azure services, relational databases, and enterprise syste
• ms.Develop and support Bluetooth/BLE integrations, including Zebra ZQ-series mobile printers, connection recovery, and printer status/error handli
• ng.Implement camera, photo capture, barcode scanning, OCR, document scanning, and identity-related workflows using .NET MAUI and native iOS capabiliti
• es.Implement secure authentication and data protection using OAuth 2.0, OIDC, JWT, Keychain, encryption, certificate pinning, and secure local stora
• ge.Develop responsive, accessible, field-friendly interfaces optimized for rapid operational workfl
• ows.Perform unit, integration, regression, UI, and performance testing; troubleshoot application, connectivity, integration, and production issu
• es.Support CI/CD, automated builds, provisioning, code signing, release workflows, telemetry, and production suppo
• rt.Participate in Agile delivery, estimation, code reviews, demonstrations, and release planni
• ng.Maintain technical documentation for developed functionality, integrations, deployment, and operational suppo

r

t. Required Skills & Experie

• nceExtensive hands-on experience developing enterprise mobile applications using .NET MAUI and C# for i
• OS.Strong experience with XAML, .NET MAUI Community Toolkit, .NET MAUI Essentials, MVVM, Clean Architecture, and dependency injecti
• on.Experience building offline-first mobile applications using SQLite, local caching, synchronization, retry, and conflict-resolution patter
• ns.Hands-on experience with Bluetooth/BLE and Zebra mobile printers, preferably including Zebra ZQ-series printers and Zebra SDK integrati
• on.Strong experience integrating mobile applications with REST/GraphQL APIs, .NET/ASP.NET Core services, Azure, SQL Server, and Azure S
• QL.Experience integrating .NET MAUI applications with native iOS frameworks and platform-specific APIs where requir
• ed.Strong knowledge of enterprise security including OAuth, OIDC, JWT, Keychain, encryption, certificate pinning, and application hardeni
• ng.Experience with enterprise MDM platforms such as Microsoft Intune, Workspace ONE/AirWatch, or Ja
• mf.Strong experience with Git, GitHub/GitLab, CI/CD, Jenkins/Bitrise, automated testing, provisioning and signi
• ng.Knowledge of App Store Connect, APNs, telemetry, crash reporting, diagnostics and application monitoring.
• ng.Strong troubleshooting, collaboration, and independent execution skills within complex enterprise environmen

ts.
Additional Skills and Informat

• ion:.NET MAUI / C# iOS Application Develop
• APIsOffline-First Mobile Architecture & Synchroniza
• tionMobile Security, Authentication & Encryp
• tionMobile Testing, Debugging, and Performance Optimiza
• ightCamera, Barcode Scanning, OCR & Document Cap
• portAccessible / field-Oriented Mobile UI Develop

rise
Preferred Exper

• ienceExperience 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 u