Full Stack Developer

Leidos; Ashburn (VA); Hybrid; USD 131,000 - 237,000; Full time

Job summary

Leidos is seeking a hands-on Full Stack Developer in Ashburn, VA, supporting a CBP mission program. You will architect, design, build, and support scalable real-time systems, leveraging cloud and Agile practices in a SecDevOps environment.

You will work across Java/JavaScript stacks, React/Angular, microservices, and RESTful APIs, with a focus on CI/CD, JWT security, and modern front-end tooling. Hybrid work with on-site presence in Ashburn twice weekly.

Qualifications

• BS/BA with 12 years related exp or MS with 10 years exp; or 4 years exp in lieu of degree.
• Ability to obtain CBP Background Investigation prior to start.
• US citizenship required.
• Experience applying AI/ML to software lifecycle and mission support.
• Experience with Agile Scrum in SecDevOps.
• Experience with containerized apps, preferably Konvoy.
• 3+ years building cloud-ready apps or migration to cloud.
• 2+ years in Java/JSF/JavaScript/Spring or Selenium tooling.
• 2+ years in at least two: React/Angular/Redux/HTML/JSX/ES6/JS, JWT, JSON, Babel, Webpack, Axios, NPM, Node.
• Proficient in Java and JavaScript; DOM and modern JS frameworks.
• Deep understanding of React/Angular core concepts.
• 2+ years RESTful APIs and microservices; Axios for REST calls.
• Hands-on HTML/CSS/Bootstrap; JWT for authorization.
• Hands on experience with HTML/CSS/Bootstrap
• Hands on experience of modern authorization mechanisms, such as JSON Web Token (JWT)

Responsibilities

• Architect, design, build, deliver, and enhance highly available real-time systems.
• Collaborate to define best designs aligned with objectives, timelines, and resources.
• Lead or participate in major deliverables across the SDLC from scope to testing.

Skills

React

Angular

Java

JavaScript

RESTful APIs

JWT

HTML/CSS

Axios

Microservices

Conatiners/Konvoy

AWS

Google Cloud

SecDevOps

Education

BS/BA degree + 12 years experience

Master’s degree + 10 years experience

4 years related experience in lieu of degree

Tools

Konvoy

Gemini Enterprise AI Platform

Redux

Webpack

NPM

Node.js

Job description

Description

The Homeland 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.

Description

The Homeland 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 12 years of related experience or Master’s with 10 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 working with AI/ML as an integral part of executing the software lifecycle and/or implementing AI/ML solutions to support mission
• 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 experience with Gemini Enterprise AI Platform
• 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

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 7, 2026. 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 $131,300.00 - $237,350.00. 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.

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.