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.NET Developer with Security Clearance

Company:
Crimson Phoenix
Location:
Chantilly, VA, 20151
Posted:
June 13, 2026
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Description:

Developer to act as a member of an AGILE development team working with HTML5, JavaScript, Bootstrap, CSS, C#.NET, SQL, Ruby on Rails, Artificial Intelligence, and Amazon Web Services to develop business applications in support of a government customer.

The developer will collaborate with analysts, project leads, UI/UX developers, testers, and customers to define requirements, implement business logic, and refine applications.

This position will also require providing support and troubleshooting issues with existing production applications.

Responsibilities: • Responsible for researching, designing, developing and/or modifying software systems (e.g., custom, COTS, GOTS). • Works closely with business analysts, UI/UX developers, and subject matter experts to understand functional requirements.

• Develops cost estimates for software development and enhancements and conducts impact analysis for software changes.

• Adheres to program configuration change control standards.

• Presents ideas for system improvements.

• Produces detailed specifications, writes software code, and conducts unit testing.

• Writes interfaces and conversion routines leveraging web APIs.

• Supports formal testing in controlled environment before code is promoted to production.

• Provides input into training manuals for users.

• Maintains knowledge of feature and technical changes in the application.

Qualifications: Required: • 4+ years relevant web development experience • Experience with basic web programming languages such as HTML, JavaScript, and CSS • Experience with C#.NET and Bootstrap • Experience employing AWS cloud services to create cloud-native applications • Knowledge of web development principals, techniques, languages, and standard programming styles and conventions • Bachelor's Degree or higher in Computer Science, Information Systems, or similar • Ability to manage multiple priority tasks • Self-motivated task identification Desired: • AWS certification (AWS Developer Associate or AWS DevOps Engineer Professional) • Experience with AI Tools • Experience with Python • CompTIA Security+ Certification • Knowledge of Agile software development • Commercially published work • Knowledge and understanding of the DoD or IC communities

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