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Mobile App Developer

RMantra Solutions

Salary not specified
Nov 7, 2025
Reston, VA, United States of America
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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.

Requirements

  • 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.
  • Proficiency and knowledge of the following: Postgres, Springboot, SQL, Kafka, MySQL, Struts, Hibernate, Java, JSF, Swing, JavaScript, Bootstrap, Angular/React is desired.

Responsibilities

  • architect, design, build, deliver, and enhance highly available, scalable, real-time systems
  • exercise your judgment in determining and recommending the best designs based on customer business objectives, timelines and other resource constraints
  • 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
  • Mobile App Development
  • Front-end Mobile and Back-end RESTFUL API development
  • development of JAVA, Node JS applications
  • development of both NoSQL and SQL database’s

Other

  • Clearance: DoD TS or DHS Full BI
  • Work schedule: Hybrid, 2 times/week onsite.
  • Work Location: Ashburn, VA
  • Excellent problem-solving skills.
  • Creative thinker