Job Description

The Homeland Sector within Leidos is seeking a Mobile Application 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**This position REQUIRES the candidate to be in Ashburn, VA, 2 twice a week**Basic Qualifications:BS/BA degree and 10 years of prior relevant experience or Master’s with 8 years of prior relevant experience; or 4 years of additional experience in lieu of degreeAt least 5 years experience with Mobile Application Development, must have experience with both Android & iOSRequires 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 thinkerProficiency 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 practicesExcellent written and verbal communication skillsExperience with DevOps frameworksU.S. CitizenMust be able to maintain and obtain a CBP Background Investigation prior to startPreferred Qualifications:Active CBP BIExperience with CBPAWS ExperienceKnowledge of CI/CD pipelineWorked in Agile environmentOther mobile frameworkIf you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.Original Posting:July 17, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $107,900.00 - $195,050.00The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.SummaryLocation: Ashburn, VAType: Full time

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