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Software Developer - Mid

Job in Reston, Fairfax County, Virginia, 22090, USA
Listing for: Leidos LLC
Full Time position
Listed on 2026-06-01
Job specializations:
  • Software Development
    Software Engineer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below

Software Developer – Intel Security Sector

Location:

Bethesda, MD;
Reston, VA; or Joint Base Anacostia‑Bolling, DC.

Responsibilities
  • 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 such as 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.
Required Qualifications
  • Active TS/SCI clearance with the ability to obtain and maintain TS/SCI with Polygraph.
  • US citizenship required.
  • Bachelor’s degree in Computer Science, Data Science, Engineering, Information Systems, or related technical discipline + 4 years of experience, or 3 years with equivalent level of experience.
  • Experience developing enterprise software solutions using modern programming languages such as Java, Python, Go, C++, or similar.
  • Proficiency in 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).
  • Experience with Infrastructure‑as‑Code (IaC) and Configuration‑as‑Code (CaC).
  • Experience operating within SAFe or Agile frameworks supporting enterprise systems.
  • Excellent communication and teamwork abilities.
  • Strong problem‑solving and analytical skills.
Preferred Experience
  • 8 years of experience in the field with at least a portion of the experience within the last 2 years.
  • Significant share of data analytics experience directly supporting military or intelligence community customers, demonstrating progressive technical development and mission‑focused outcomes.
  • Experience dealing with at least two of the following data classes: open source, publicly available information (PAI); forensic media (DOMEX); measurement and signatures intelligence (MASINT); or cybersecurity and cyber forensics.
  • Knowledge of DoD Security Technical Implementation Guides (STIGs) and container hardening standards.
  • Experience supporting software development across multi‑enclave DoD environments.
  • Experience with cloud‑native development in AWS Gov Cloud, C2S, SC2S, Azure, or GCP.
  • Experience contributing to enterprise‑level architecture design decisions.
  • Experience with containerization technologies (Docker, Kubernetes).
  • Experience integrating with data platforms, AI/ML services, or…
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