Full-Stack .NET Engineer (Top Secret Clearance)

Cayuse Holdings; Washington (District of Columbia); On-site; USD 110,000 - 160,000; Full time

Benefits offered by this job

Medical, Dental and Vision Insurance

401(k) with company match

Paid Time Off

Disability insurance

Life Insurance

Job summary

Cayuse Holdings seeks a Mid Software Engineer to support full stack development, lifecycle, and architecture across modern .NET-based applications in a fast-paced, collaborative environment.

You will enhance existing systems, upgrade legacy code, and deliver scalable front-end and back-end solutions while ensuring security and performance, with strong emphasis on government and contractor engagement.

Qualifications

• Bachelor's or Master's degree in Computer Science, Information Technology, or a related field; equivalent experience considered.
• 5+ years of experience with .NET development and full stack applications.
• C# programming expertise.
• Strong understanding of the .NET Framework.
• Strong knowledge of JavaScript and its integration within front-end ecosystems.
• Proficient in Microsoft SQL Server (MSSQL) for database design and management.
• Experience with Telerik UI components.
• Active Top Secret Security Clearance is required.
• Must be able to pass a background check; additional background checks may be required.

Responsibilities

• Collaborate with system owners to gather, analyze, document, and refine functional requirements for system enhancements and updates.
• Investigate, diagnose, and resolve system issues to ensure continuous availability and reliability.
• Perform regular maintenance tasks, including system monitoring, debugging, and patching.
• Upgrade the existing application to the latest versions to ensure security, compliance, and optimal performance.
• Design, develop, and deploy new full stack .NET-based web applications and solutions to meet stakeholder requirements.
• Create scalable and secure solution architectures for new projects.
• Develop and optimize both front-end and back-end components, ensuring high-performance and efficient functionality.
• Build and implement user-friendly interfaces using Telerik tools combined with JavaScript for front-end experiences.
• Utilize C# and .NET Framework to create robust, backend systems for data processing.
• Perform database design, development, and optimization using MSSQL.
• Actively engage with government and contractor stakeholders to define project objectives and ensure successful delivery.
• Work in cross-functional teams within an Agile development methodology (if applicable).
• Document technical solutions, processes, and integrations for knowledge sharing and system continuity.
• Other duties as assigned.

Skills

C# development

Full stack development

JavaScript

.NET Framework

Telerik UI

Security clearance (Top Secret)

Analytical troubleshooting

Team collaboration

Education

Bachelor's/Master's in CS/IT or related

Equivalent experience considered

Tools

Microsoft SQL Server (MSSQL)

Atlassian JIRA/Confluence/Bitbucket

Microsoft Office Suite

Job description

Cayuse Holdings seeks a Mid Software Engineer to support full stack development, lifecycle, and architecture across modern .NET-based applications in a fast-paced, collaborative environment.

You will enhance existing systems, upgrade legacy code, and deliver scalable front-end and back-end solutions while ensuring security and performance, with strong emphasis on government and contractor engagement.