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Mobile App Developer

RMantra
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Ashburn, VA, USA
Sep 21, 2026

US Citizens ONLY

Clearance

DoD TS or DHS Full BI

Work schedule

Hybrid, 2 times/week onsite.

Work Location

Ashburn, VA

Responsibilities Qualifications

RMantras is looking for a Mobile App Developer to provide technical expertise on a mission-critical program whose purpose is to development, modernize, enhance, operate, and maintain services for DHS/CBP mission critical systems. Mobile App Developers requires a strong mix of communications skills and hands on technical trouble shooting to support application issues and application of preventative measures.

In this hands-on position, you will work collaboratively to architect, design, build, deliver, and enhance highly available, scalable, real-time systems. You will exercise your judgment in determining and recommending the best designs based on customer business objectives, timelines and other resource constraints. You will participate in and/or direct major deliverables of projects through all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding and unit testing. The candidate should have expertise in Mobile App Development

Required Qualifications

  • BS/BA degree and 8+ years of prior relevant experience or master’s with 6+ years of prior relevant experience; or 4 years of additional experience in lieu of degree
  • At least 5 years experience with Mobile development (Android/iOS experience)
  • Requires experience in both Front-end Mobile and Back-end RESTFUL API development.
  • Requires experience in development of JAVA, Node JS applications.
  • Requires experience in both NoSQL and SQL database’s.
  • Must have strong application testing discipline.
  • Experience with Google’s Flutter engine and Google’s Dart language and similar Android/iOS framework.
  • Excellent problem-solving skills.
  • Creative thinker
  • Proficiency and knowledge of the following: Postgres, Springboot, SQL, Kafka, MySQL, Struts, Hibernate, Java, JSF, Swing, JavaScript, Bootstrap, Angular/React is desired.
  • Knowledge of software design patterns.
  • Experience with an issue/problem tracking system (e.g., Jira)
  • Proficiency with common Agile practices, service-oriented environments, and better development practices
  • Excellent written and verbal communication skills
  • Experience with DevOps frameworks
  • U.S. Citizen
  • Must be able to maintain and obtain a CBP Background Investigation prior to start

Desired Qualifications

  • Active CBP BI
  • Experience with CBP
  • AWS Experience
  • Knowledge of CI/CD pipeline
  • Worked in Agile environment
  • Other mobile framework

If you want to apply please Contact Us Or send an email to hr@rmantras.com">HR@rmantras.com

Job ID

mobile-app-developer-cbp

Security Clearance

Top Secret
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