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Full Stack Java Software Engineer

Leidos
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Annapolis Junction, MD, USA
Jul 20, 2026
Leidos frequently has opportunities for Software Engineers within our Intelligence Sector, Cyber & Analytics Business Area (CABA).  Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.

At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more.  Join us and make a difference in National Security!  

Position Summary

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 then provides estimates for design, development, and testing. The SWE 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. In addition, the SWE writes automated test code and reviews work of other team members for adherence to customer requirements and team standards.  

Recommended Experience

  • 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, PostgreSQL, MySQL, and/or MariaDB.
  • 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, NetBeans, or similar IDEs.

Required Experience by Level

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

Clearance Required:  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

conmd

KQW

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:

January 5, 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 $87,100.00 - $157,450.00

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.

Job ID

Full-Stack-Java-Software-Engineer_R-00172956

Security Clearance

TS/SCI
About Leidos
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