Mobile Application Developer

Leidos LLC; Ashburn (VA); On-site; USD 87,000 - 157,000; Full time

Job summary

Leidos Homeland Sector seeks a Mobile Application Developer to design, build and enhance scalable mobile solutions for DHS/CBP. You will work in a hands-on, collaborative environment across the full software lifecycle, focusing on Android and iOS platforms, RESTful APIs and data integration. Strong problem-solving, communication, and Agile DevOps practices are required.

The role requires U.S. citizenship and CBP-related security eligibility, with on-site work in Ashburn, VA, and potential for

Qualifications

• BS/BA degree and 6 years of prior relevant experience; or Master’s with 5 years of experience.
• 5+ years mobile app development experience for Android and iOS.
• Experience with front-end mobile and back-end RESTful API development.
• Experience with JAVA, Node.js, and both NoSQL and SQL databases.
• Strong testing discipline, problem-solving and communication skills.

Responsibilities

• Architect, design, build, deliver and enhance mobile solutions.
• Lead and participate in all phases of the software development lifecycle.
• Collaborate across teams to estimate scope and deliverables.
• Apply best practices in DevOps, Agile and SOA environments.

Skills

Mobile app development

Android

iOS

RESTful API development

Java

Node.js

NoSQL/SQL databases

Flutter/Dart

Jira

Communication skills

Agile practices

DevOps frameworks

Problem-solving

Creative thinking

Security clearance / CBP BI

Education

BS/BA degree

Master’s degree (optional)

Tools

Postgres

Springboot

SQL

Kafka

MySQL

Struts

Hibernate

Java

JSF

Swing

JavaScript

Bootstrap

Angular

React

Jira

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 6 years of prior relevant experience or Master’s with 5 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.
• 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

Preferred Qualifications

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

Pay Range: Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary.

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 $17.2 billion for the fiscal year ended January 2, 2026. 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 here.

Securing Your Data

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [e-mail].

Commitment and Diversity

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.

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.