We are seeking a highly skilled Senior Mobile Application Developer for the Mountain View Team in support of the Army Training Information System (ATIS) program. This position is part of a cross-functional Agile team operating in a Scaled Agile Framework (SAFe) Agile Release Train (ART).

In this role, you will be responsible for the design, development, integration, and sustainment of mobile applications that support Army-wide training management functions. You will work with product managers, designers, backend engineers, and cybersecurity specialists to deliver secure, high-performing mobile applications. The ideal candidate is a hands-on engineer who can own complex features end-to-end while contributing to mobile architecture and engineering standards.

LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.

Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors—helping agencies navigate complexity and outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value.

• Build and maintain cross-platform mobile applications using React Native and TypeScript.
• Develop native iOS and Android modules when deeper platform integration is required.
• Design and implement scalable mobile architecture, including authentication, state management, navigation, and offline data synchronization.
• Integrate mobile applications with backend APIs and cloud-hosted services.
• Troubleshoot issues across the full request chain from mobile client to backend systems.
• Contribute to CI/CD pipelines, testing, and secure mobile development practices.
• Provide technical guidance through code reviews and mentorship.

Required Qualifications

• Active secret security clearance
• Bachelor’s degree in Computer Science, Software Engineering, or related field
• Active DoDI 8140 certification (e.g., CISSP, CISM, Security+).
• 5–10+ years of software development experience and 3+ years building mobile applications

• Strong experience with React Native and TypeScript
• Experience deploying iOS and Android mobile applications
• Ability to implement native modules using Swift and Kotlin
• Experience integrating mobile apps with REST APIs and authentication systems
• Familiarity with Git-based workflows and CI/CD pipelines

Preferred Qualifications

• Experience working in government, defense, or regulated environments
• Familiarity with mobile security practices and OAuth2/OpenID authentication
• Experience integrating with cloud-hosted backends (AWS, Azure, GovCloud)
• Familiarity with mobile device management (MDM) or secure deployment strategies
• Experience implementing automated mobile testing frameworks

• Experience implementing mobile telemetry and observability, including instrumentation of user events, performance metrics, and error tracking.
• Experience designing event taxonomies and instrumentation strategies for product analytics and application monitoring.
• Travel Requirements: Occasional travel may be required, including participation in quarterly Program Increment (PI) Planning, technical syncs, and major delivery milestones as well as on-site customer visits.

Target salary range: $100,000 - 170,000. Final compensation will be determined by a variety of factors including but not limited to your skills, experience, education, and/or certifications.

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Applicants must meet eligibility requirements for a U.S. Government security clearance. Only US Citizens are eligible for a security clearance. For this position, LMI will only consider applicants with security clearances or applicants who are eligible for security clearances, due to the nature of the work.