About this role
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 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 Application Development, must have experience with both Android & iOS
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.
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
Preferred Qualifications:
Experience with Google’s Flutter engine and Google’s Dart language and similar Android/iOS framework
Active CBP BI
Experience with CBP
AWS Experience
Knowledge of CI/CD pipeline
Worked in Agile environment
Other mobile framework
If 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:
November 4, 2025For 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.
Other facts
About Leidos
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. The company's global workforce of 48,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
Your most important work is ahead, visit careers.leidos.com for our latest opportunities.
What you'll do
- The Mobile Application Developer will provide technical expertise on mission-critical programs for DHS/CBP systems. Responsibilities include architecting, designing, building, and enhancing scalable, real-time systems.
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