Senior Mobile Developer

General information

Requisition # R61393 Locations USA-WA-Tacoma Posting Date 06/29/2025 Security Clearance Required None Remote Type Hybrid Time Type Full time

Description & Requirements

Transform the future of federal services with ManTech! Join a vibrant, energetic team committed to enhancing national security and public services through innovative tech. Since 1968, we’ve partnered with Federal Civilian sectors to deliver impactful solutions. Engage in exciting projects in Digital Transformation, Cybersecurity, IT, Data Analytics and more. Ignite your career and drive change. Your journey starts now—innovate and excel with ManTech!

ManTech seeks a motivated, career-focused, and customer-oriented Senior Mobile Developer to join an on-site team in either: Falls Church, VA, San Antonio, TX, Aurora, CO, or Tacoma, WA.

Responsibilities include but are not limited to:

• Design, develop, and maintain mobile applications across platforms, with a focus on Progressive Web Apps (PWSs) and select native iOS/Android apps.

• Collaborate with UX designers, back-end developers, and share services engineers to deliver secure, user-friendly, and high-performing mobile solutions.

• Maintain and refactor existing mobile codebases, including legacy hybrid apps, ensuring alignment with DHA security and platform standards.

• Develop and consume RESTful APIs, microservices, and federated authentication mechanisms (e.g., OAuth2, SAML, CAC integration, etc).

• Support app deployment pipelines for external app store or internal mobile device management (MDM) systems.

• Lead code reviews and establish standards for knowledge sharing across all mobile development staff.   

Minimum Qualifications:

• 4+ years of progressive experience as a mobile software developer with at least 1+ years as a senior developer or technical lead spanning multiple projects/teams simultaneously.

• Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or related discipline. Additional relevant military or professional experience (typically 4 years) may be substituted in lieu of a degree.

• Strong experience building Progressive Web Apps (PWAs), including deep knowledge of JavaScript/TypeScript, React Native, Flutter, or similar.

• Expertise with native iOS/Android (Swift/Kotlin/Java) environments, including advising customers on trade-offs between native vs. PWA approaches for specific use cases.

• Solid understanding of mobile UI/UX design principles, accessibility standards, and responsive layouts.

• Experience integrating apps with REST APIs, federated identity providers, and secure authentication flows.

• Ability to troubleshoot and debug across device types and operating systems, including real-world MDM or Government Furnished Equipment (GFE) constraints.

• Prior experience working with user bases exceeding 10,000, preferably in contexts involving operational healthcare, clinical training, or readiness systems. 

<