ASP.NET Services Engineer
Aretum
Remote · McLean, VA · Posted November 12, 2026
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November 2026
- #1Best all-round cities for mid-career professionals in the Mid-Atlantic79 / 100 · of 37
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About the job
Public Trust Eligibility Required
About Aretum
Aretum is a mission-driven organization committed to delivering innovative, technology-enabled solutions to our customers across defense, civilian, and homeland security sectors. Our teams work at the intersection of strategy, technology, and transformation, helping agencies solve their most critical challenges. We believe in investing in our people and creating a culture where collaboration, inclusion, and professional growth are at the forefront.
Job Summary
Aretum is seeking a skilled ASP.NET Services Engineer to support a federal civilian client. This role will focus on building and maintaining backend services, APIs, database integrations, and application logic using ASP.NET Core, C#, Entity Framework Core, PostgreSQL, GraphQL, Azure, Kubernetes, and Azure DevOps.
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.
Responsibilities
Design, develop, test, and maintain backend services using ASP.NET Core, C#, and Entity Framework Core
Build microservices that support business logic, data updates, and enterprise application functionality
Integrate and maintain PostgreSQL databases, including data models, queries, views, and database structures
Develop and maintain GraphQL schemas and APIs for application functionality and data integration
Create unit tests for APIs, microservices, GraphQL APIs, and application code
Debug issues reported by testers and users, diagnose deployed environment issues, and implement fixes
Support application development and deployment across local, test, staging, and cloud environments
Work with containerized applications using Docker, Kubernetes, and Helm charts
Support Azure cloud integrations, including AKS, Storage Accounts, Key Vaults, Azure Pipelines, Azure DevOps, and Git
Collaborate with project managers, developers, testers, and client stakeholders to support Agile delivery priorities
Maintain clear technical documentation and communicate effectively with technical and non-technical stakeholders
Bachelor’s degree in a related field or an equivalent professional background
6+ years of software development
Hands-on background with ASP.NET Core, C#, Entity Framework Core, and PostgreSQL
Proven ability to build microservices and enterprise application services
Skilled in developing GraphQL APIs in ASP.NET or similar platforms
Ability to create unit tests for APIs, services, and application code
Knowledge of containerized application development and deployment using Docker, Kubernetes, and Helm
Knowledge of Azure cloud services, including AKS, Storage Accounts, Key Vaults, and Azure Pipelines
Ability to use Azure DevOps and Git for task management, code management, version control, and deployment workflows
Familiarity with React and TypeScript for user interface development
Strong understanding of Agile/Scrum development practices
Strong analytical, troubleshooting, collaboration, and communication skills
Ability to manage multiple priorities in a fast-paced client environment
Preferred Qualifications
Background supporting federal civilian clients
Familiarity with enterprise application modernization or cloud-native application development
Ability to troubleshoot applications in deployed cloud or Kubernetes-based environments
Ability to mentor or provide technical guidance to junior developers
Prior support for proposal, recompete, or contingent award efforts
Travel Requirements
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.
EEO Statement
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 hr@aretum.com for assistance.
Equal Opportunity Employer/Veterans/Disabled
U.S. Work Authorization
Applicants must be U.S. citizens or currently authorized to work in the United States on a full-time basis. This position supports a federal government contract and requires the ability to obtain and maintain a Public Trust or Suitability Determination, depending on the agency’s background investigation requirements. Sponsorship is not available.
Salary Range: $110,000–$140,000 annually. Final compensation will be determined based on factors including education, experience, qualifications, skills, and applicable contract requirements.
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