Senior ASP.NET Backend & Cloud Microservices Engineer

Aretum; Illinois; Remote; USD 110,000 - 140,000; Full time

Benefits offered by this job

Health Care Plan (Medical, Dental &amp

Retirement Plan (401k)

Life Insurance (Basic, Voluntary &

Paid Time Off

Family Leave (Maternity, Paternity)

Disability (Short & Long-Term)

Training & Development

Job summary

Aretum is seeking a skilled ASP.NET Services Engineer to support a federal civilian client. You will design, build, test, and maintain backend services and APIs using ASP.NET Core, C#, and EF Core, with PostgreSQL, GraphQL, and Azure cloud infrastructure.

The role emphasizes microservices, containerization, and CI/CD practices in a remote, federally regulated environment. Responsibilities include creating GraphQL APIs, unit tests, and collaboration with project teams to align with Agile delivery

Qualifications

• 6+ years of software development experience.
• Hands-on with ASP.NET Core, C#, Entity Framework Core, and PostgreSQL.
• Experience building 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 development/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 and deployment workflows.
• Familiarity with React and TypeScript for UI development.
• Strong understanding of Agile/Scrum practices.

Responsibilities

• Design, develop, test, and maintain backend services with ASP.NET Core and EF Core.
• Build microservices supporting business logic and enterprise functionality.
• Integrate and maintain PostgreSQL databases with data models and queries.
• Develop and maintain GraphQL schemas and APIs.
• Create unit tests for APIs, microservices, GraphQL, and application code.
• Debug issues and implement fixes across environments.
• Support development and deployment across local, test, staging, and cloud environments.
• Work with Docker, Kubernetes, and Helm in containerized apps.
• Support Azure integrations including AKS, Storage, Key Vault, Pipelines, DevOps, and Git.
• Collaborate with stakeholders to support Agile delivery and maintain documentation.

Skills

ASP.NET Core

C#

Entity Framework Core

PostgreSQL

GraphQL

Azure

Kubernetes

Azure DevOps

Git

React

TypeScript

Agile/Scrum

Communication

Multi-priority management

Education

Bachelor’s degree in a related field or equivalent

Tools

ASP.NET Core

C#

Entity Framework Core

PostgreSQL

GraphQL

Azure

Kubernetes

Docker

Helm

Azure DevOps

Git

React

TypeScript

Job description

Aretum is seeking a skilled ASP.NET Services Engineer to support a federal civilian client. You will design, build, test, and maintain backend services and APIs using ASP.NET Core, C#, and EF Core, with PostgreSQL, GraphQL, and Azure cloud infrastructure.

The role emphasizes microservices, containerization, and CI/CD practices in a remote, federally regulated environment. Responsibilities include creating GraphQL APIs, unit tests, and collaboration with project teams to align with Agile delivery