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KACE Company · 1 day ago

Senior Mobile Application Developer-ISAII-D (Apple Platform-iOS/iPadOS)

Washington, DC

Full-time

Hybrid

Senior Level

$130K/yr - $130K/yr

5+ years exp

KACE Company is dedicated to enhancing national safety and security through innovative technology. They are seeking a Senior Mobile Application Developer to support the Cyber & Investigative Technology Group by developing mobile applications for criminal, civil, and administrative investigations.

Cloud ComputingCyber SecurityInformation TechnologyTraining

No H1B

U.S. Citizen Only

Responsibilities

Core iOS / iPadOS Development

Proficiency in Swift and familiarity with Objective-C for maintaining legacy codebases

Strong experience developing native applications for iPhone and iPad using Xcode

Solid understanding of iOS/iPadOS SDKs, APIs, and frameworks including:

UIKit and/or SwiftUI

Foundation, Core Data, Core Location

Background processing and lifecycle management

Ability to design and implement adaptive UI layouts supporting multiple screen sizes and orientations

Enterprise Application Integration

Strong experience integrating mobile applications with enterprise backend systems hosted on Windows-based platforms

Proficiency consuming and integrating with:

RESTful APIs and JSON

SOAP services (legacy environments)

Understanding of authentication and authorization mechanisms, including:

OAuth 2.0 / OpenID Connect

Token-based authentication (JWT)

Enterprise identity providers (e.g., Active Directory / Azure AD / Entra ID)

Ability to collaborate with backend teams developing applications using:

.NET / ASP.NET

IIS-hosted services

SQL Server or enterprise databases

Security & Compliance

Strong knowledge of mobile application security best practices, including:

Secure storage (Keychain)

Data encryption at rest and in transit

Secure network communication (TLS)

Experience implementing enterprise security policies, including:

Mobile Device Management (MDM) integration

Certificate-based authentication

App sandboxing and least-privilege access

Understanding of compliance requirements relevant to enterprise environments (e.g., CJIS, FISMA, HIPAA, or similar standards)

Development Practices & Tooling

Experience with source control systems, especially Git, in team-based environments

Ability to work within CI/CD pipelines for mobile applications

Familiarity with:

Automated unit testing and UI testing (XCTest)

Debugging, profiling, and performance tuning using Xcode tools

Ability to document technical designs, APIs, and deployment procedures clearly

Cross-Platform Collaboration

Ability to collaborate effectively with:

Web developers (HTML, CSS, JavaScript)

Backend developers (Windows/.NET stacks)

UX/UI designers and product owners

Strong verbal and written communication skills to translate mobile requirements into enterprise technical solutions

Enterprise & Windows Ecosystem Exposure

Experience integrating mobile apps with:

Microsoft-based ecosystems (Azure services, Microsoft Graph APIs)

Windows authentication and identity services

Familiarity with desktop web application workflows and how mobile applications complement or extend them

Mobile Deployment & Lifecycle Management

Experience with:

Enterprise app distribution (Apple Business Manager)

Internal app stores or private app deployment

Managing app updates across large user populations

Familiarity with MDM platforms such as Mobile Iron, Ivanti, or similar tools

Performance, Reliability & Support

Ability to design mobile applications that perform reliably in low-connectivity or high-latency environments

Experience monitoring application health using logging, analytics, and crash reporting tools

Ability to support production applications, troubleshoot issues, and implement fixes in coordination with enterprise support teams

Professional & Analytical Skills

Strong analytical and problem-solving skills

Ability to work independently while adhering to enterprise standards and governance

Experience working in regulated, mission-critical, or high-availability environments

Desirable, not required

Advanced iOS Capabilities

Experience with SwiftUI in production enterprise applications

Knowledge of Combine, concurrency (async/await), and modern iOS architecture patterns (MVVM, Clean Architecture)

Experience supporting offline data synchronization and conflict resolution

Familiarity with Apple Human Interface Guidelines for enterprise-focused applications

Qualification

SwiftIOS/iPadOS DevelopmentRESTful APIsMobile Application SecurityXcodeObjective-CJSONOAuth 2.0GitCI/CD PipelinesProblem-SolvingCollaborationCommunication

Required

Proficiency in Swift and familiarity with Objective-C for maintaining legacy codebases

Strong experience developing native applications for iPhone and iPad using Xcode

Solid understanding of iOS/iPadOS SDKs, APIs, and frameworks including: UIKit and/or SwiftUI, Foundation, Core Data, Core Location, Background processing and lifecycle management

Ability to design and implement adaptive UI layouts supporting multiple screen sizes and orientations

Strong experience integrating mobile applications with enterprise backend systems hosted on Windows-based platforms

Proficiency consuming and integrating with: RESTful APIs and JSON, SOAP services (legacy environments)

Understanding of authentication and authorization mechanisms, including: OAuth 2.0 / OpenID Connect, Token-based authentication (JWT), Enterprise identity providers (e.g., Active Directory / Azure AD / Entra ID)

Ability to collaborate with backend teams developing applications using: .NET / ASP.NET, IIS-hosted services, SQL Server or enterprise databases

Strong knowledge of mobile application security best practices, including: Secure storage (Keychain), Data encryption at rest and in transit, Secure network communication (TLS)

Experience implementing enterprise security policies, including: Mobile Device Management (MDM) integration, Certificate-based authentication, App sandboxing and least-privilege access

Understanding of compliance requirements relevant to enterprise environments (e.g., CJIS, FISMA, HIPAA, or similar standards)

Experience with source control systems, especially Git, in team-based environments

Ability to work within CI/CD pipelines for mobile applications

Familiarity with: Automated unit testing and UI testing (XCTest), Debugging, profiling, and performance tuning using Xcode tools

Ability to document technical designs, APIs, and deployment procedures clearly

Ability to collaborate effectively with: Web developers (HTML, CSS, JavaScript), Backend developers (Windows/.NET stacks), UX/UI designers and product owners

Strong verbal and written communication skills to translate mobile requirements into enterprise technical solutions

Experience integrating mobile apps with: Microsoft-based ecosystems (Azure services, Microsoft Graph APIs), Windows authentication and identity services

Familiarity with desktop web application workflows and how mobile applications complement or extend them

Experience with: Enterprise app distribution (Apple Business Manager), Internal app stores or private app deployment, Managing app updates across large user populations

Familiarity with MDM platforms such as Mobile Iron, Ivanti, or similar tools

Ability to design mobile applications that perform reliably in low-connectivity or high-latency environments

Experience monitoring application health using logging, analytics, and crash reporting tools

Ability to support production applications, troubleshoot issues, and implement fixes in coordination with enterprise support teams

Strong analytical and problem-solving skills

Ability to work independently while adhering to enterprise standards and governance

Experience working in regulated, mission-critical, or high-availability environments

Bachelor's degree from an accredited college or university. Significant experience may be substituted for the education requirement

Substantial demonstrated work experience (ideally a minimum of 5 to 8 years) in mobile application development, implementation, and ongoing enhancements

Experience working in a collaborative and cross functional team environment

Facilitate strategy sessions with stakeholders to gather application requirements in order to become familiar with project scope, business needs and overall application requirements

Performs applications coding and interface design, development, documentation, testing, release and maintenance for mobile applications, tools and reports to track and evaluate changes in the workforce

Monitors tool effectiveness and optimize applications where needed

Develops applications based upon technical design, user interface, and use case while ensuring application readiness for deployment, the output meets user requirements, and within set standards and policies

Once product is deployed, work collaboratively to improve and optimize application performance

End to end testing of application, including any server components that the application may interface with

Develops and maintains proper documentation for all phases of application, tool and report development including requests for testing, quality assurance and issuance into production

Develops and maintains the centralized information delivery platform for workforce management information, tools, and analytics

Accesses, queries and retrieves data from source systems and Teradata. Integrates, validates and manipulates data sets for management tools and reporting

Develops block diagrams and logic flow charts

Enhance software to reduce operating time and improve efficiencies

Provides technical guidance to application users and stakeholders; develops instructional material and provides training on applications, tools, reports and other complement resources for integration into the field

Maintains awareness of emerging technologies and resources; research systems technologies and the industry for best practices and new applications for integration into the organization

Must be a U.S Citizen or Legal Permanent Resident

Favorable credit check for all cleared positions

Successfully passing a background investigation including drug screening