Mobile Application Developer
At a glance
Mid-level Software Engineering role at Leidos. Ashburn · full-time · $87,100–$157,450 base.
techroles summary, based on the employer's posting.
What you'll do
- Build and improve mobile software and real-time services, shaping designs around customer goals, schedules, and available resources
- Handle application problems with practical troubleshooting and recommend preventative steps
- Take project work from estimates and architecture through coding and unit checks, contributing to or leading major deliverables
- Develop mobile front ends and REST APIs, then test the applications with care
What you bring
- At least five years developing mobile apps across both Android and iOS
- A bachelor's degree plus six years of relevant experience, a master's degree plus five years, or four extra years instead of a degree
- Experience building mobile front ends and REST APIs, using Java and Node.js, and working with SQL and NoSQL databases
- U.S. citizenship and the ability to obtain and keep a CBP background investigation before starting
Who this fits
This hands-on role suits a mobile developer who can combine technical troubleshooting with clear communication and contribute across the software lifecycle. You must work in Ashburn, Virginia, twice a week.
From the employer
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
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:
August 24, 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 $87,100.00 - $157,450.00The 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.
Software Engineering work from LinkedIn, X, Reddit and Upwork, in one list.
Each morning you get everything that fits, strongest first.
Software Engineering$80k+
Find me workBy the team behind techroles.