.NET Developer II - 100% Remote

About the Company

Aretum delivers technology-enabled solutions to customers across the defense, civilian, and homeland security sectors. The organization works with government agencies on strategy, technology, and transformation, with a focus on collaboration, inclusion, and professional development.

About the Role

Aretum is seeking a Senior Developer with strong experience in the Microsoft technology ecosystem, particularly .NET development. In this remote role, you will develop and maintain applications, modernize legacy systems, support migration strategies, and design cloud-native solutions for federal clients.

You will work within cross-functional Agile teams to maintain and enhance existing systems while developing solutions using .NET, Angular, and Azure services. The position also requires collaboration with project managers and other stakeholders to address client needs and ensure compliance with enterprise security, governance, and accessibility standards.

Due to the nature of the federal consulting work, you may handle Controlled Unclassified Information (CUI) and must follow applicable safeguarding and compliance requirements.

Key Responsibilities

• Develop cloud-native applications using .NET 10, Angular 20+, and Azure services, with a focus on Web API and Entity Framework Core.
• Maintain and enhance existing applications and systems for federal clients.
• Refactor and migrate legacy .NET Framework applications to .NET Core, including ASP.NET and ASP.NET Core.
• Build and maintain RESTful services and WCF solutions.
• Apply enterprise security, governance, and accessibility standards throughout the development process.
• Collaborate with cross-functional teams in an Agile environment to deliver software solutions.
• Work directly with the Project Manager to respond to evolving client needs.
• Manage multiple tasks while working effectively both independently and collaboratively.
• Communicate clearly with technical teams, project managers, and other stakeholders.

Required Qualifications

• At least 7 years of experience with C#, ASP.NET, and .NET development.
• A bachelor’s degree or an additional 5 years of relevant experience in place of the degree.
• At least 5 years of experience building and maintaining RESTful services and WCF.
• At least 4 years of experience with JavaScript and Angular v16 or higher.
• Strong experience with Entity Framework and Entity Framework Core.
• Experience working with Azure Cloud services.
• Experience using Visual Studio Ultimate 2017/2019 or later, Azure DevOps, and Git.
• Experience with Docker and Kubernetes for containerization on Windows servers.
• Solid knowledge of Scrum and Agile development methodologies.
• Strong written and verbal communication skills.
• Ability to work in a collaborative environment, manage multiple priorities, and adapt to changing project requirements.
• Ability to obtain and maintain a Public Trust or Suitability Determination, depending on the agency’s background investigation requirements.

Preferred Qualifications

• Microsoft Certified Professional certification and/or an Azure certification.

Salary and Benefits

• The annual salary range is $120,000–$150,000. Final compensation will depend on education, experience, qualifications, skills, and applicable contract requirements.

Benefits include:

• Health care coverage, including medical, dental, and vision.
• 401(k) retirement plan.
• Basic and voluntary life insurance, including Accidental Death and Dismemberment (AD&D).
• Paid time off.
• Maternity and paternity leave.
• Short-term and long-term disability coverage.
• Training and development opportunities.

Location and Travel

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

U.S. Work Authorization and Public Trust Eligibility

Applicants must be U.S. citizens or currently authorized to work full-time in the United States. The position requires eligibility to obtain and maintain a Public Trust or Suitability Determination, depending on agency requirements. Visa sponsorship is not available.

Equal Employment Opportunity

Aretum is an Equal Opportunity Employer committed to merit-based hiring and equal employment opportunities. Employment decisions are based on qualifications, skills, and ability to per…