Mobile App Developer - Hybrid

Ashburn, United States | Posted on 10/16/2026

• Clearance Requirement DoD TS or DHS Full BI
• IAT/IAM Requirement N/A

We are seeking an experienced Mobile App Developer to support a mission-critical Department of Homeland Security (DHS) / U.S. Customs and Border Protection (CBP) program focused on developing, modernizing, enhancing, operating, and maintaining enterprise applications.

The ideal candidate will bring strong hands-on experience in Android and iOS mobile application development, Flutter/Dart, Java, Node.js, RESTful APIs, and SQL/No

SQL databases. This role involves designing, developing, testing, and maintaining secure, scalable, highly available mobile solutions while collaborating with cross-functional teams throughout the software development lifecycle (SDLC).

The position requires strong technical troubleshooting, problem-solving, and communication skills to deliver reliable applications supporting critical federal missions.

• Design, develop, enhance, and maintain Android and iOS mobile applications supporting DHS/CBP mission-critical systems.
• Develop cross-platform mobile solutions using Flutter, Dart, and other Android/iOS development frameworks.
• Build and integrate front-end mobile applications with back-end RESTful APIs using Java, Node.js, and related technologies.
• Design, implement, and optimize SQL and No
  
  SQL databases, ensuring application performance, scalability, and reliability.
• Develop highly available, scalable, and real-time application solutions using modern software architecture and design patterns.
• Participate in the full SDLC, including requirements analysis, architecture, design, development, unit testing, deployment, and maintenance.
• Troubleshoot application issues, perform root cause analysis, and implement preventative measures to improve system stability.
• Apply strong application testing practices, including unit, integration, and functional testing.
• Support Agile development, Dev Ops practices, CI/CD pipelines, and continuous application improvements.
• Collaborate with developers, architects, testers, and federal stakeholders to deliver solutions aligned with mission requirements, schedules, and technical constraints.
• Maintain technical documentation, track development activities using Jira, and promote software engineering best practices.

• Education/
  
  Experience:
  
  Bachelor's degree with 12+ years of relevant experience, Master's degree with 10+ years, or an additional 4 years of experience in lieu of a degree.
• Mobile Development:
  Minimum 5 years of hands-on mobile application development experience across both Android and iOS platforms.
• Cross-Platform Frameworks:
  
  Experience with Google Flutter, Dart, and comparable Android/iOS development frameworks.
• Full-Stack Development:
  Experience developing front-end mobile applications and back-end RESTful APIs using Java and Node.js.
• Databases:
  Hands-on experience with both SQL and No
  
  SQL databases.
• Software Engineering:
  Strong understanding of software design patterns, application architecture, debugging, and testing practices.
• Agile/Dev Ops:
  
  Experience with Agile methodologies, Dev Ops frameworks, service-oriented environments, and software development best practices.
• Tools:
  
  Experience with issue tracking and project management tools such as Jira.
• Communication:
  Excellent written and verbal communication, analytical thinking, creative problem-solving, and collaboration skills.
• Clearance:
  Must hold an active DoD Top Secret clearance or DHS Full BI and be able to obtain and maintain the required CBP Background Investigation prior to starting.

• Active CBP Background Investigation (BI) and previous experience supporting CBP or DHS programs.
• Experience with AWS cloud services, CI/CD pipelines, and automated deployment practices.
• Experience working in Agile development environments and with additional Android/iOS mobile development frameworks.

• Paid Time Off PTO):
  
  TEN (10) Paid days off & FIVE (5) Floating days off.
• Holidays: 11 Paid Holidays. Flex time can be utilized instead of holiday time usage.
• Payroll:
  Paid Bi-Monthly.
• 401(k):
  Partnered with the SECOND LARGEST Retirement plan provider in the U.S. Guaranteed 3% match. Eligibility – 21 years of age or older, after 3 months of employment
• Individual or company-wide performance and recognition awards (Quarterly)
• UNITED HEALTHCARE PPO, extensive national coverage.
• Eligible on the first of the month,…