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.NET Developer with Security Clearance

Company:
Crimson Phoenix
Location:
Chantilly, VA, 20151
Posted:
March 09, 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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