SME Software Engineer

Software Developer (Java/Spring Boot Development) Application Deadline: 7 October 2026 Department: Data Analysis and Technology Services Employment Type: Full Time Location: Chantilly, VA Compensation: $130,000 - $260,000 / year Description REQUIRED: Active TS/SCI with Full Scope Polygraph LOCATION: Full-time onsite in Chantilly, VA We are seeking a versatile with SME expertise in Java and Spring Boot to build, enhance, and maintain mission-critical classification tools and enterprise ap

Overview We are seeking an experienced Senior Software Engineer to provide development engineering and programming support for software projects and infrastructure support activities. The successful candidate will be responsible for designing, developing, modernizing, and maintaining software applications, including developing new cloud-based applications and transitioning legacy systems to cloud environments. This role requires experience with multiple programming languages, database archite

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: None Job Family: Software Engineering Job Qualifications: Skills: Apache Tomcat, Java Database Connectivity (JDBC), Java Web Development Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a personal impact as a Core Java Software Engineer s

Leidos is seeking a Senior Software Developer-SME for a 200+ FTE technical development program supporting the Sponsor's Web-based applications. The Software Developer will work with a large team of developers, DevOPS engineers, security engineers, systems engineers, and data engineers. The developer will be full stack knowledgeable, but will likely be focused on technical backend work (e.g., web services). The candidate must have 6-10 years of demonstrable developer experience with a backend em