Mobile Application Developer with Security Clearance

Job Description Please Note: This position is contingent upon contract award. Everforth ECS is seeking a M obile Application Develope r to work remotely . Everforth ECS is seeking a talent ed Mobile Application Developer t o join our dynamic data team supporting the Department of Homeland Security (DHS) Office of the Chief Information Officer (OCIO). Our team supports public facing websites across DHS, in support of the mission essential Web Content Management program. The Mobile Application Developer will design, develop, and maintain secure, high-performance mobile applications.

Responsibilities Include

• Application Development: Design, code, test, and deploy native or cross-platform mobile applications (iOS/Android) that support DHS field operations.
• Security & Compliance: Ensure all mobile applications adhere to strict DHS and federal cybersecurity standards, including data encryption, secure authentication, and FISMA compliance.
• System Integration: Integrate mobile applications with backend enterprise systems, databases, and real-time data feeds to provide actionable intelligence
• UI/UX Design: Create intuitive user interfaces optimized for field use, ensuring high usability under varying operational conditions.
• Maintenance & Optimization: Monitor application performance, troubleshoot issues, and implement updates to ensure continuous availability and reliability.

Salary: $130,000 - $140,000

Required Skills

• Degree in Computer Science, Engineering, or a related technical field. BS/BA and 7+ years
• Must be a U.S. citizen
• Hands on experience in mobile application development (Swift, Kotlin, React Native, or Flutter).
• Proficiency in RESTful APIs, mobile security protocols, and cloud-based backend services (e.g., AWS GovCloud, Azure Government).
• Knowledge of mobile data storage and testing frameworks.
• Demonstrated ability to develop software solutions for complex, high- stakes operational environments.

Desired Skills

• Experience developing applications for DHS
• Knowledge of mobile device management (MDM) solutions and secure containerization.
• Experience with offline-first application architecture for use in remote or low-connectivity areas.
• Familiarity with Agile/ DevSecOps methodologies.
• Experience with Atlassian suite of tools such as Jira and Confluence. ECS Federal LLC is an equal opportunity employer and does not discriminate or allow discrimination on the basis any characteristic protected by law. All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, or local jurisdiction law. is the federal segment of , a $4B global organization with over 10,000 employees. Our nearly 3,500 professionals deliver advanced technology solutions in data and AI, cybersecurity, and enterprise transformation, serving defense, intelligence, and federal civilian agencies. Our work powers mission-critical outcomes, strengthens technology partnerships, and creates meaningful opportunities for our people. We are defined by a commitment to excellence in delivery, a culture of innovation, and an environment where talent can thrive and grow. We value:
• Attracting and developing top talent and high-performing teams
• Fostering a culture that is engaging, accountable, and mission-driven Meet the challenge. Make a difference with Everforth ECS!