Leidos
Overview
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 develop, 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 troubleshooting to support application issues and application of preventative measures. Responsibilities
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. Location
This position REQUIRES the candidate to be in Ashburn, VA, 2 twice a week Basic Qualifications
BS/BA degree and less than 2 years prior relevant experience 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 at least 3 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 About the Culture
At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over‑caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.” If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in. Original Posting
October 17, 2025 Pay Range
Pay Range $55,250.00 - $99,875.00 The 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.
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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 develop, 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 troubleshooting to support application issues and application of preventative measures. Responsibilities
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. Location
This position REQUIRES the candidate to be in Ashburn, VA, 2 twice a week Basic Qualifications
BS/BA degree and less than 2 years prior relevant experience 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 at least 3 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 About the Culture
At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over‑caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.” If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in. Original Posting
October 17, 2025 Pay Range
Pay Range $55,250.00 - $99,875.00 The 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.
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