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Backend Software Engineer (TS/SCI Cleared)

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Before you apply
LocationChantilly, VA
Work modeon-site
Typefull-time
SenioritySenior
Experience6+ yrs
DepartmentClient Opportunities, Engineering Openings
Company size1,001–5,000 people
PostedSep 26, 2025 · 1y ago
Verified live1d ago
May no longer be actively hiring
Posted by the company on Sep 26, 202598% of this company's open roles have been listed for 90+ days
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At a glanceSummarised by Seekless from the posting.
Bachelor's degree with 8+ years relevant experience
Master's degree with 6+ years relevant experience
Active Top Secret clearance with ability to obtain SCI post-hire
DoD 8570 compliance (Security+ or higher)
3+ years of experience in Python and C#/Java frameworks
4+ years with unit testing, CI/CD tools, and GitLab
Strong experience troubleshooting REST APIs, backend databases, and distributed applications
Familiarity with Agile/DevOps best practices and experience supporting iterative testing
Linux and/or Windows system administration experience
Familiarity with DoD Aeronautical Datasets
Experience with AWS CloudFormation templates and cloud-based deployments
Exposure to Node, NPM, REST API development, and Swashbuckle
DevOps or C# Developer certifications
Strong technical documentation skills and proven ability to collaborate across technical teams
Skills
Python
C#
Java
REST APIs
GitLab
Jira
Confluence
AWS CloudFormation
Node
NPM
Swashbuckle
Linux
Windows
CI/CD
About the role
We are seeking a Backend Support Software Developer for a fully onsite role with high visibility, working in direct support of the National Geospatial-Intelligence Agency (NGA).
The position focuses on enhancing existing code, integrating backend solutions, and ensuring mission systems remain secure, scalable, and reliable. The developer will work closely with cross-functional teams to troubleshoot complex technical challenges, support incident response, and drive continual system improvements that enable safe and effective aeronautical navigation capabilities.
Key Responsibilities:
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Troubleshoot and resolve complex backend issues involving REST APIs, databases, and applications.
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Develop, enhance, and document backend functionality within GitLab repositories using DevOps practices.
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Collaborate with Agile teams in sprint planning, standups, and testing activities using Atlassian tools (Jira/Confluence).
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Apply expertise in Python, C#, and/or Java to deliver scalable backend solutions.
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Contribute to system development for analytics, exploitation, production, and dissemination using cloud, SOA, web services, and virtualization technologies.
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Support and enhance incident response procedures, ensuring quick turnaround for operational stability.
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Integrate open-source and GOTS solutions into enterprise systems.
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Plan and prioritize development tasks, delivering results aligned with User Story Acceptance Criteria.
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Apply cloud computing knowledge to modify backend systems and APIs for visualization and data filtering.
Required Qualifications:
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Bachelor’s degree with 8+ years relevant experience or Master’s degree with 6+ years.
•
Active Top Secret clearance with ability to obtain SCI post-hire.
•
DoD 8570 compliance (Security+ or higher).
•
3+ years of experience in Python and C#/Java frameworks.
•
4+ years with unit testing, CI/CD tools, and GitLab.
•
Strong experience troubleshooting REST APIs, backend databases, and distributed applications.
•
Familiarity with Agile/DevOps best practices and experience supporting iterative testing.
Preferred Skills/Experience:
•
Linux and/or Windows system administration experience.
•
Familiarity with DoD Aeronautical Datasets.
•
Experience with AWS CloudFormation templates and cloud-based deployments.
•
Exposure to Node, NPM, REST API development, and Swashbuckle.
•
DevOps or C# Developer certifications.
•
Strong technical documentation skills and proven ability to collaborate across technical teams.