.NET Developer

Top Secret Clearance Required

Aretum is seeking a talented and motivated .NET Developer to join our team. As a .NET Developer, you will be responsible for designing, developing, and maintaining applications and systems for our clients.

Due to the nature of our work as a federal consulting organization, employees may be expected to handle Controlled Unclassified Information (CUI) and must adhere to applicable safeguarding and compliance requirements.

• 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

• 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 Git Lab 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

• Experience with AWS Gov Cloud in IL4/IL5 environments
• Experience Type Script, JavaScript, Angular v16 or higher
• Experience with MySQL, Maria
  
  DB, MS SQL Server, Postgre
  
  SQL, or Oracle

This is a remote position; however, occasional travel may be required based on project needs, client meetings, team collaboration events, or training sessions. Travel is expected to be less than 10% and will be communicated in advance whenever possible.

Aretum is committed to fostering a workplace rooted in excellence, integrity, and equal opportunity for all. We adhere to merit‑based hiring practices, ensuring that all employment decisions are made based on qualifications, skills, and ability to perform the job, without preference or consideration of factors unrelated to job performance.

As an Equal Opportunity Employer, Aretum complies with all applicable federal, state, and local employment laws.

We are proud to support our nation’s veterans and military families, providing career opportunities that honor their service and experience.

If you require reasonable accommodation during the hiring process due to a disability, please contact  for assistance.

Equal Opportunity Employer / Veterans / Disabled

Applicants must be U.S. citizens and currently authorized to work in the United States on a full-time basis. This position supports a federal government contract and therefore requires an active Top Secret clearance.

• 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