Senior .NET Core Backend Engineer – Microservices & Azure

Mbi Llc; Mechanicsville (VA); On-site; USD 90,000 - 120,000; Full time

Job summary

Mbi Llc in Mechanicsville, VA is seeking a .NET Developer to support modernization of an enterprise tolling platform. You will design, develop, and maintain backend services using .NET Core and C#, and work within an Agile team on microservices and cloud-based components.

The role collaborates with solution architects, SQL developers, API developers, and testers, reporting to the Development Manager. A strong background in CI/CD and Azure is preferred.

Qualifications

• Experience developing applications using .NET Core and C#.
• Experience building REST APIs and microservices.
• Experience consuming and integrating with SQL Server on Azure VM environments.
• Strong understanding of object-oriented programming, design patterns, and best practices.
• Experience with Azure DevOps or GitHub for CI/CD pipelines.
• Experience working in Agile/Scrum teams.
• Experience with Terraform or other IaC tools.
• Familiarity with domain-driven design and microservices.
• Experience with distributed systems or high-availability environments.
• Understanding of tolling or transportation systems (preferred but not required).
• Experience integrating backend systems with ETL pipelines such as SSIS or Databricks.

Responsibilities

• Design, develop, and maintain .NET Core backend services and APIs.
• Collaborate with SQL developers to implement efficient data access patterns.
• Contribute to modernization of the tolling platform using microservices and modular architecture.
• Develop new application features and enhance existing functionalities.
• Participate in performance optimization efforts across application layers.
• Integrate with Azure-based components and cloud services.
• Support CI/CD processes using Azure DevOps or GitHub pipelines.
• Participate in Agile/Scrum ceremonies and deliver sprint commitments.

Skills

.NET Core and C#

REST APIs and microservices

SQL Server on Azure VM environments

Object-oriented programming and design

Azure DevOps or GitHub CI/CD

Agile/Scrum

Terraform or IaC tools

Domain-driven design and microservices

Distributed systems/high-availability

Tolling/transportation familiarity

ETL pipelines (SSIS/Databricks)

Job description

Mbi Llc in Mechanicsville, VA is seeking a .NET Developer to support modernization of an enterprise tolling platform. You will design, develop, and maintain backend services using .NET Core and C#, and work within an Agile team on microservices and cloud-based components.

The role collaborates with solution architects, SQL developers, API developers, and testers, reporting to the Development Manager. A strong background in CI/CD and Azure is preferred.