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RP Professional Services, LLC (RP) is a rapidly growing government consulting firm headquartered in Ashburn, Virginia. We’re an 8(a), Service-Disabled Veteran-Owned Small Business (SDVOSB) that exclusively enables the missions of U.S. Federal agencies through superior mission support and technology integration. Our dedication to our employees and clients is driven by our promise to deliver Excellence, Value, and Flexibility. "People, not just Resources" is more than our motto; it's the foundation on which we are built! At RP, we take pride in who we are and what we deliver.

The Mobile Developer will design, build, enhance, and support mission-critical, public-facing mobile applications for Department of Homeland Security (DHS) components, with a focus on Transportation Security Administration (TSA) mobile products.

This role requires deep, hands-on native support for legacy and modern mobile stacks to sustain and evolve existing production applications. The ideal candidate has experience delivering secure government mobile solutions, operating within governed delivery processes, implementing CI/CD pipelines, and managing app distribution through enterprise channels and public app stores. Experience with cross-platform development using Flutter and/or React Native is strongly desired.

• Provide primary engineering support for legacy native codebases, including iOS and Android implementations.
• Support iOS applications using UIKit, Storyboards/XIBs, Auto Layout, navigation patterns, and legacy architectural patterns.
• Support Android applications using XML layouts, data binding or view binding, RecyclerView-based UIs, fragments and activities, and backward compatibility approaches.
• Build new mobile applications from the ground up, including architecture design, environment setup, and release planning.
• Enhance and sustain public-facing mobile applications supporting DHS/TSA mission needs, including ongoing maintenance, performance improvements, security updates, and defect remediation.

• Operate within TSA mobile development processes, protocols, and governance, including required documentation and approvals.
• Maintain and improve the mobile CI/CD pipeline, including automated builds, testing, signing, and deployment workflows.
• Deploy applications through TSA’s Enterprise App Distribution platform as needed.
• Implement and support Firebase services, including Firebase Cloud Messaging (FCM) for push notifications.
• Manage end-to-end Apple App Store and Google Play Store submission, review, release, and distribution processes.
• Collaborate with cross-functional Agile teams including product, design, security, QA, and DevOps to deliver iterative improvements.
• Ensure applications meet accessibility standards, including Section 508 compliance and mobile platform accessibility conventions.
• Use Git effectively, including branching strategies, pull requests, code reviews, and collaborative development workflows.
• Apply strong mobile UX/UI principles to deliver intuitive and consistent user experiences across platforms.
• Develop and maintain cross-platform mobile applications using Flutter and/or React Native and associated technology stacks.

Requirements

• 2-4 years of experience
• Demonstrated hands-on expertise in native iOS and Android development and troubleshooting.

• Experience working with iOS technologies including Swift and/or Objective-C, UIKit, Storyboards/XIBs, Auto Layout, and application lifecycle debugging in Xcode.
• Experience working with Android technologies including Kotlin and/or Java, XML layouts, data binding or view binding, lifecycle debugging in Android Studio, and compatibility support.
• Proven experience supporting and extending legacy mobile UI implementations.
• Experience maintaining production mobile applications including monitoring, bug fixes, and iterative enhancements.
• Proficiency with Git and modern code review practices.
• Experience implementing CI/CD pipelines for mobile applications and automated release workflows.
• Working knowledge of Firebase and Firebase Cloud Messaging (FCM).
• Proven ability to deliver solutions in an Agile development environment with cross-functional teams.
• Experience developing applications aligned with accessibility requirements, including Section 508 compliance.
• Active TSA Public Trust clearance, or the ability to obtain and maintain one.

Preferred Qualifications

• Familiarity with cloud services and mobile backend integrations.
• Experience working with RESTful APIs and web services.
• Familiarity with Agile and Scrum development methodologies.
• Direct experience supporting TSA mobile applications, including MyTSA and TSA Verify.
• Prior experience working within TSA or DHS mobile delivery environments, including enterprise distribution and compliance requirements.
• Experience supporting mobile applications that must operate reliably under high public usage and operational constraints.

Benefits

• Health Benefits: Medical, Vision, Dental
• 4% retirement match with 100% vesting
• Company-paid Short-Term and Long-Term Disability (STD & LTD)
• Company-paid basic life insurance
• Competitive PTO package

RP Professional Services, LLC provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.