The National Security Sector within Leidos is seeking a Full Stack Developer with strong systems, software, cloud, and Agile experience to support a complex program to provide Agile development and operations and maintenance for critical systems on a mission-critical program supporting the Passenger Systems Program Directorate (PSPD) within Customs and Border Protection (CBP). PSPD supports the Department of Homeland Security (DHS) and CBP critical missions, specifically screening and processing travelers at the ports of entry (POEs) into the United States.
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 deliverable of projects through all aspects of the software development life cycle including scope and work estimation, architecture and design, coding, and unit testing.
**This position REQUIRES the candidate to be in Ashburn, VA, twice a week**
Basic Qualifications:
BS/BA degree and 10 years of related experience or Master’s with 8 years of related experience; OR 4 years of related experience in lieu of degree
Must be able to maintain and obtain a CBP Background Investigation prior to start
Must be a US citizen
Experience with Agile Scrum methodology and working in a SecDevOps environment
Experience working with containerized applications preferably utilizing Konvoy
3+ years’ experience developing cloud ready applications and/or experience migrating applications to the cloud.
2+ years of experience in one of the following: JAVA, JSF, JavaScript, Spring, Automated test tools such as Selenium.
Minimum 2 years of experience in at least 2 of the following: React, Angular, Redux, HTML, CSS, JSX, bootstrap, ES6, Redux, JWT, JSON, Babel, Webpack, Axios, NPM, Node.
Proficient in JAVA, JavaScript, including DOM manipulation and the JavaScript object model
Thorough understanding of React and Angular and its core principles
2+ years experience with Microservices/RESTful APIs
Expertise with Axios framework to work with rest services.
Hands on experience with HTML/CSS/Bootstrap
Hands on experience of modern authorization mechanisms, such as JSON Web Token (JWT)
Preferred Qualifications:
Hands on working experience with Redux Store for session management.
Hands on experience with more current specifications of EcmaScript (ES6)
Experience with common front-end development tools such as Babel, Webpack, NPM, Node etc.
A knack for benchmarking and optimization is plus.
AWS Developer or Solutions Architect certifications
Active Full CBP BI
Experience with Google Cloud
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, 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.
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.
Top Skills
What We Do
We Are Leidos
For 50 years we have been tackling some of the biggest problems that face our nation and our world.
OUR MISSION
Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020.
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 newly launched 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.
