Full Stack Software Engineer

performance requirements.

• Debug existing software and correct defects.

• Provide recommendations for improving documentation and software development process standards.

• Design and code new software or modify existing software to add new features.

• Integrate existing software into new or modified systems or operating environments.

• Develop simple data queries for existing or proposed databases or data repositories.

• Write or review software and system documentation.

Basic Qualifications:

• Seven (7) years' experience as a SWE in programs and contracts of similar scope, type, and complexity is required.

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

• Java development experience

• Clearance Requirement: Top Secret/SCI with Polygraph

Preferred Qualifications

• Experience working on an Agile development team

• C++

• JavaScript, TypeScript, HTML, and CSS

• React or similar libraries (Vue, Angular)

• Consuming and creating REST APIs and WebSockets

• Experience with JavaScript 3D libraries such as Three.js is preferred, but not required

CONMD

CSSRC

Come break things (in a good way). Then build them smarter.

We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for "how it's always been done."

Original Posting:
August 8, 2025
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 $104,650.00 - $189,175.00

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.