Mobile App Developer

Description

The National Security 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 4 years of prior relevant experience or Master's with 2 years of prior relevant experience; or 4 years of additional experience in lieu of degree

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 18, 2025

For 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 $67,600.00 - $122,200.00

The Leidos pay range for this job level is a general guideline onlyand 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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com / careers / pay-benefits .

Securing Your Data

Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com .

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission .

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.