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# Senior Principal Software Developer (Active TS Clearance/SCI w/CI Poly Required)

- **Company:** A& M
- **Location:** Springfield, VA, United States
- **Experience:** Expert
- **Salary:** $170,000 - $215,000
- **Contract:** Permanent contract
- **Skills:** HTML, Java (Programming Language), JavaScript (Programming Language), Agile Methodology, Unit Testing, C Sharp (Programming Language), C++ (Programming Language), Cascading Style Sheets (CSS), Code Review, Databases, Network Interface Controllers, Scrum Methodology, Software Engineering, Software Requirements Analysis, Backend, Information Technology
- **Published:** October 17, 2026
- **Apply:** https://www.thejobnetwork.com/job/dcbdac85-2aac-4374-805d-cc9c9beab748/senior-principal-software-developer-active-ts-clearancesci-wci-poly-required

## About the Role

* Active Top Secret clearance, with the ability to obtain and maintain SCI eligibility and successfully pass a polygraph
 * Bachelor's degree in any field or major; alternatively, 7 additional years of relevant information technology experience may be substituted in lieu of a degree
 * Hands-on experience using languages and frameworks such as HTML, CSS, C++, C#, Java, and JavaScript
 * Demonstrated experience designing, coding, and unit testing front-end and back-end solutions for integrated systems

## Description

We are seeking an experienced Senior Principal Software Developer to join our team. This position is located in Springfield, VA and requires an Active Top Secret Clearance with the ability to obtain/maintain SCI and polygraph., * Apply well-defined software development processes, such as Agile, to contribute effectively as part of a team in a fast-paced, iterative environment

 * Architect, code, and test front-end and back-end solutions for integrated systems, utilizing languages such as HTML, CSS, C++, C#, Java, and JavaScript
 * Build and maintain integration code to connect systems and services across the broader platform
 * Engineer solutions aligned with open standards and Interface Control Documents (ICDs) to drive interoperability through service-based architectures
 * Assist in developing and configuring database systems to support application functionality
 * Investigate, troubleshoot, and document Discrepancy Reports (DRs), ensuring timely resolution and accurate tracking
 * Engage in Agile ceremonies, including code reviews and sprint planning, to drive collective team success
 * Liaise with program stakeholders to ensure technical deliverables meet both business objectives and system requirements