.NET Developer

ARETUM

.NET Developer responsible for designing and maintaining applications in a federal consulting environment. Working in an Agile setting to develop software solutions for clients.

Posted 4/10/2026full-timeRemote • Virginia • 🇺🇸 United StatesMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

ASP.NETDockerKubernetes.NETSDLC

About the role

Key responsibilities & impact

Design, develop, and maintain complex software applications using the .NET framework (C#, ASP.NET, .NET Core, etc.)
Work cross-functionally in an Agile environment to develop applications using .NET architecture
Develop clean, scalable, and efficient code following best practices and coding standards
Participate in the full software development lifecycle (SDLC), including planning, design, testing, and deployment
Must be flexible, able to work in a highly collaborative environment, juggle multiple tasks at once, and work independently and collaboratively as needed
Must have superior interpersonal skills and strong communication skills

Requirements

What you’ll need

Active Top Secret Clearance
5+ years of Software development experience
5+ years of C#, ASP.NET, and .NET core development experience
3+ years of RESTful web services experience
Bachelor's Degree (3 years of additional experience acceptable in lieu of degree)
Active CompTIA Security+ certification or higher
Experience with .NET Framework
Experience with Visual Studio Professional, Visual Studio Code, and Git
Experience implementing application security hardening techniques and adhering to DoW secure coding standards to mitigate common vulnerabilities and ensure software resilience
Hands-on experience with GitLab or Bitbucket for maintaining code integrity and integrating version control with automated CI/CD pipelines
Experience building and maintaining RESTful services and WCF
Containerization experience on Windows servers with Docker and Kubernetes
Solid knowledge of Scrum Agile development methodology
Strong collaboration and communication skills

Benefits

Comp & perks

Health Care Plan (Medical, Dental & Vision)
Retirement Plan (401k)
Life Insurance (Basic, Voluntary & AD&D)
Paid Time Off
Family Leave (Maternity, Paternity)
Short Term & Long-Term Disability
Training & Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

.NET frameworkC#ASP.NET.NET CoreRESTful web servicesapplication security hardeningScrum Agile developmentDockerKubernetesWCF

Soft Skills

interpersonal skillscommunication skillscollaborationflexibilitytask management

Certifications

Top Secret ClearanceCompTIA Security+Bachelor's Degree