Senior Backend Engineer (Top Secret clearance)
Stafford, Virginia
Experience: 6
Category: Information Technology
Contractor Work Model: Onsite
Brand: System One
Job ID: 382445
Date Posted: 10/24/2026
Shortcut: http://jobs.systemone.com/f2re4S
Senior Backend Engineer
Quantico, VA - ONSITE
Top Secret clearance
Job Description:
Support the entire agile development life cycle from planning, design, testing, demonstration, deploy, and maintenance.
Support troubleshooting bugs and continuously refine existing software and tools to implement additional features or improve performance.
Ensure operations and enhance existing databases, in addition to design new collections, design data structures, craft optimized queries/ pipelines, and manage database/ server storage.
Maintain back end development, staging, production, etc. environments.
Design and develop all server-side services, plugins, components, applicable API, and monitoring/ alarm/ audit components.
Responsible for all data ETL processing, report features, scheduled maintenance and enrichment services, data retention, database performance, code quality and maintainability, version control, and compilation and release processes for the back- end.
Job Requirements:
Technical experience as a back-end developer working on complex applications and/ or IT systems.
Experience eliciting business and user requirements, translating those requirements into design specifications, deploying production ready solutions/ features, maintain back- end development and production environments, and ensure UI and API optimization.
Experience with modern development languages, tools, frameworks, and functional database management.
Experience with Java and JavaScript languages, and no SQL databases, Linux operating systems and Docker, Podman, Ansible, GIT tools.
Senior or SME levels must have recent leadership experience
Education:
BS degree in Computer Science or related field + 8 Years Experience.
Masters degree qualifies as 2 years of experience, Ph. Degree qualifies as 4 years experience
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Ref: #851-Rockville-S1
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⚠️ Protecting Job Seekers from Identity Scams
At System One, your privacy and security are important to us. As job-related scams continue to target job seekers, we want to help you recognize and avoid common recruitment fraud. Identity theft scams often involve individuals, also known as "scammers," posing as recruiters or employers to obtain sensitive personal information, such as Social Security numbers, bank account details, or copies of driver’s licenses, with the goal of stealing identities, accessing financial accounts, or creating fraudulent accounts in a victim’s name.