Full Stack Java Software Engineer

Overview

Leidos frequently has opportunities for Software Engineers within our Intelligence Sector, Cyber & Analytics Business Area (CABA). Our team is at the forefront of Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. Leidos offers competitive benefits, including Paid Time Off, holidays, 401K with company match and vesting, flexible schedules, stock purchase plans, technical upskilling, education and training support, parental leave, and more.

Join us and make a difference in national security.

The Software Engineer (SWE) works as part of a small, agile team of full-stack software engineers developing, testing, and maintaining a complex web application crucial to the customer mission. The SWE participates in requirements gathering and analysis, provides estimates for design, development, and testing, and is responsible for developing new features, enhancing existing code, and resolving bugs using Java 17+, Spring Boot, and Angular 19+.

The SWE makes recommendations for technology upgrades, performs upgrades to new versions of existing frameworks, and, where applicable, migrates from one framework to another. The SWE also writes automated test code and reviews the work of other team members for adherence to customer requirements and team standards.

• Software development on Linux environments using Java 17+ with Spring Boot.
• Strong user interface development using Angular 19+.
• Writing code to interact with relational databases such as Oracle, Postgre
  
  SQL, MySQL, and/or Maria
  
  DB.
• Use of software testing frameworks such as JUnit and Jasmine/Jest.
• Version control using Git.
• Bug tracking using Jira.
• Software documentation using Confluence.
• Development using Eclipse, Net Beans, or similar IDEs.

All software engineers will be required to have experience as a software engineer supporting programs and contracts of similar scope, type, and complexity.

Bachelor s Degree in Computer Science or related discipline from an accredited college or university. Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor s degree.

• Software Engineer Level 0 - BS and 2-7 years of experience
• Software Engineer Level 1 - BS and 7-14 years of experience
• Software Engineer Level 2 - BS and 14-20 years of experience
• Software Engineer Level 3 - BS and 20 or more years of experience

Must have an active TS/SCI with Polygraph.

This posting is for multiple opportunities ranging in years of experience. Level of opportunity, including compensation, will be matched to a candidate s experience.

Note: This posting originally dated January 5, 2026, may be updated to reflect business needs. For U.S. positions, the posting may remain open for a period consistent with policy.

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Pay Range: $87,100.00 - $. Additional factors considered in offers include responsibilities, education, experience, skills, and other relevant factors.

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

Pay and benefits are fundamental to any career decision. Details are available at

Beware of fake employment opportunities using Leidos  name. Leidos will never ask you to provide payment-related information during any part of the employment application process, nor will Leidos ever advance money as part of hiring. If you receive a suspicious email, contact  If you believe you are a scam victim, contact your local law enforcement and report to the FTC.

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, disability, or any other basis prohibited by law. Leidos also considers qualified applicants with criminal histories consistent with relevant laws.