4304 Software Developer with Security Clearance

OVERVIEW: We are seeking a highly skilled Software Developer to join a team developing, testing, and deploying secure operational applications, networks, and platforms. Qualified candidates will have expertise in .NET Core and Entity Framework. This role is 100% on-site in Huntsville, AL or in Quantico, VA supporting a mission focused customer. You work within an Agile/Scrum environment alongside other contractors and collaborate with teammates located both in Huntsville and Quantico.

GENERAL DUTIES

• Design, develop, test, secure, and deploy enterprise applications.
• Serve as the last line of defense for troubleshooting; perform deep diagnostics and root-cause analysis for production and integration issues.
• Lead solution architecture discussions (including microservices), code reviews, and technical decision-making.
• Implement and refine CI/CD pipelines and branching strategies; enforce coding standards and quality gates.
• Optimize performance at app, service, and database layers; design resilient integrations and rigorous error-handling.
• Mentor team members; model Agile/Scrum best practices and iterative delivery.
• Collaborate effectively with a distributed team and cross-functional partners.
• Produce clear technical documentation and contribute to security/compliance artifacts.

REQUIRED QUALIFICATIONS

• Bachelor's degree in Software Development, Computer Science, or related field and 5+ years of software development experience; or in lieu of degree: 10+ years of software development experience at or above the senior level described.
• Technical stack (hands-on):
• Languages/Frameworks: C#, ASP.NET, .NET Core, XML, WPF, HTML, JavaScript, XML, Entity Framework. •
• Data: Microsoft SQL Server (schema design, queries, indexing, performance tuning).
• Frontend: Angular (or Vue/React/Ember in lieu of Angular, commensurate with experience)
• Architectures: Microservices Architecture.
• Tools/DevOps: Jira, Git, Git-based CI/CD (build/release pipelines, automated testing).
• Scripting/Automation: PowerShell (build, deployment, admin automation).
• Proven expertise diagnosing complex production issues end-to-end (client, API, data, infra).
• Demonstrated leadership traits: initiative, ownership, calm under pressure, and high-level critical thinking.
• Strong communication skills for cross-site coordination and stakeholder updates.

DESIRED QUALIFICATIONS

• Performance profiling and memory/CPU diagnostics for .NET and SQL Server.
• Experience with message brokers/queues, RESTful API design, and contract testing.
• Prior work on mission programs and familiarity with on-prem environments.
• Cloud certification CLEARANCE:
• Top-Secret clearance and the ability to obtain SCI access with a CI polygraph.