Software Developer - Mid

This position will be located at one of our customer sites in Bethesda, MD;
Reston, VA; or Joint Base Anacostia‑Bolling, DC.

The Intel Security Sector at Leidos currently has an opening for a Software Developer. The role involves working with big data to produce analysis and visualizations, translating operational and strategic requirements into scalable, production‑ready solutions. You will contribute directly to product planning, execution, and continuous improvement, ensuring capabilities are delivered efficiently and aligned to mission priorities.

• Work closely with a tight‑knit team of software developers, data scientists, network engineers, senior investigators, program managers, researchers, and data analysts to create and maintain mission applications.
• Develop, test, and maintain OSINT mission application‑level software including backend services, APIs, and user‑facing components.
• Establish and maintain development, test, integration, staging, and production environments for the System.
• Implement features and enhancements using modern programming languages (e.g., Java, Python, JavaScript, or similar).
• Build and integrate APIs and microservices to support platform and application functionality.
• Collaborate with cross‑functional teams to develop features, fix defects, and improve system performance.
• Contribute to development of front‑end and back‑end components for enterprise applications.
• Integrate software into Dev Sec Ops  pipelines for automated build, testing, and deployment.
• Prepare, maintain, and execute a System Test Plan (STP) based on CI/CD and Dev Sec Ops  principles.
• Prepare, maintain, and execute a Software Engineering Plan (SWP) for managing all aspects of the software lifecycle.
• Implement and maintain source code, Infrastructure‑as‑Code (IaC), and Configuration‑as‑Code (CaC).
• Conduct configuration management operations to control, identify, record, and report IT components and relationships.
• Perform debugging, troubleshooting, and resolution of application defects and performance issues.
• Ensure adherence to secure coding practices and support remediation of vulnerabilities.
• Plan, design, and implement software testing tools, processes, and procedures.
• Support software testing including unit, integration, and user acceptance testing.
• Deliver and maintain all software artifacts on Government‑owned software repositories.
• Translate systems engineering and reference architecture designs into software designs.
• Participate in code reviews and contribute to development standards and best practices.
• Participate in SAFE ceremonies including PI Planning, backlog refinement, sprint reviews, and retrospectives.

• Active TS/SCI clearance with the ability to obtain and maintain TS/SCI with Polygraph.

• Bachelor's degree in Computer Science, Data Science, Engineering, Information Systems, or related technical discipline and 4 years of experience. Additional years of experience in lieu of degree are acceptable.
• Candidates with a minimum of 3 years of recent experience in the field will be considered.
• Active TS/SCI clearance with the ability to obtain and maintain TS/SCI with Polygraph.
• Due to the nature of the government contracts we support, US Citizenship is required.
• Experience developing enterprise software solutions using modern programming languages (e.g., Java, Python, Go, C++, or similar).
• Proficiency in programming languages such as Java, Python, or C++.
• Experience building and integrating RESTful APIs and microservices architectures.
• Experience integrating software into CI/CD pipelines and Dev Sec Ops  environments (e.g., Git Lab, Jenkins, or similar).
• Experience with Infrastructure‑as‑Code (IaC) and Configuration‑as‑Code (CaC).
• Experience with Dev Sec Ops  practices and tools.
• Experience operating within SAFe or Agile frameworks supporting enterprise systems.
• Excellent communication and teamwork abilities.
• Strong problem‑solving and analytical skills.

• Bachelor's degree in Computer Science, Data Science, Engineering, Information Systems, or related technical discipline.
• 8 years of experience in the…