Sr. Mobile Application Developer I (Clearable) (6571)

MetroStar•Washington, DC

About The Position

As a Sr. Mobile Application Developer I, you will design, build, and sustain secure iOS and Android applications to deliver mission-critical mobile capabilities across the federal government. The engineering team is responsible for building and operating high-security mobile solutions for a highly visible government customer. In this role, you will be key in delivering reliable, secure, and scalable applications by contributing immediately within an Agile delivery model, collaborating closely with security and backend teams, and driving disciplined execution in a classified environment. MetroStar emphasizes its people, with a two-decade legacy of building strong teams, driven by a mission of 'A passion for our people. Value for our customers.'

Requirements

Ability to obtain and maintain a Top Secret with SCI security clearance (requires U.S. citizenship).
Bachelor’s degree in a technical field is preferred; relevant experience may be substituted.
Certification meeting DoD 8140 (e.g., Security+, or higher).
Certification meeting AZ-204 or AWS Developer Associate.
5+ years of professional development of cross-platform mobile applications for both iOS and Android.
Experience maintaining, integrating, optimizing, and debugging existing mobile applications in operational environments.
Experience implementing secure mobile application architectures, including authentication, authorization, and data protection mechanisms.
Experience integrating mobile applications with enterprise services and APIs, including REST-based interfaces.
Experience supporting mobile device management and secure enterprise mobile deployments, including Samsung Knox SDK and Knox REST APIs.
Ability to contribute immediately with minimal ramp-up in a mission-critical operational environment.
This position is designated as essential personnel supporting continuity of operations and may require work during government shutdowns, emergencies, or other critical situations.

Responsibilities

Use cross-platform mobile frameworks and native iOS/Android technologies to design, develop, test, and maintain secure mobile applications.
Apply secure coding practices aligned with RMF, STIGs, and secure SDLC standards.
Integrate mobile applications with backend APIs, enterprise services, and identity and access management solutions.
Support Mobile Device Management (MDM) integrations, including Samsung Knox and VMware AirWatch.
Participate actively in Agile ceremonies and sprint execution to deliver mission-critical capabilities.
Communicate progress, risks, and technical decisions clearly to teammates and leadership.
Troubleshoot and resolve issues rapidly in high-security environments.
Contribute to continuous improvement and technical excellence across the team.