DoD Full-Stack Software Developer – Secure & Sustainment

Lufco; Belleville (IL); On-site; USD 80,000 - 120,000; Full time

Job summary

Lufco in Belleville, IL seeks a Software Developer to lead full‑lifecycle engineering, sustainment, and modernization. You will maintain custom apps, modernize legacy code, and support SharePoint Online/Power Platform while ensuring DoD cybersecurity compliance.

The role requires an active Secret clearance and at least five years of full‑stack enterprise development, with experience in Java, .NET, and SQL/Oracle databases.

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related technical discipline.
• Minimum of five (5) years of full-stack software development experience supporting enterprise web applications and database environments.

Responsibilities

• Tier 3 application sustainment: address defects and provide code-level fixes for the portfolio.
• Software modernization and refactoring of Java, ColdFusion, and .NET apps.
• Database management including SQL Server and Oracle schema updates and tuning.
• Vulnerability remediation and RMF-aligned security patches.
• Data rights and deliverable packaging for CDRL A051 artifacts.
• Capability development support with design options, estimated costs, and 508 accessibility reports.

Education

Bachelor’s Degree in Computer Science, Software Engineering, Information Technology, or a related technical discipline

Job description

Lufco in Belleville, IL seeks a Software Developer to lead full‑lifecycle engineering, sustainment, and modernization. You will maintain custom apps, modernize legacy code, and support SharePoint Online/Power Platform while ensuring DoD cybersecurity compliance.

The role requires an active Secret clearance and at least five years of full‑stack enterprise development, with experience in Java, .NET, and SQL/Oracle databases.