Senior .NET Backend & Systems Integration Engineer

ASRC Federal; Washington (District of Columbia); On-site; USD 110,000 - 150,000; Full time

Job summary

ASRC Federal Technology Solutions is seeking an experienced .Net Software Engineer to design, develop, and maintain enterprise .NET applications. You will build and integrate REST/SOAP services, automate processes with scripting, and optimize data exchange across Microsoft 365 and Azure environments.

The role emphasizes backend/integration development, with responsibilities spanning data transformation, troubleshooting, and collaboration with business users and technical teams.

Qualifications

• Bachelor's degree and 4-6 years of software engineering or related field.
• Hands-on experience with C#, .NET Framework / .NET Core, ASP.NET MVC, Web API.
• Experience with REST APIs, SOAP services, XML, JSON, and data exchange formats.
• Experience developing automation or integration scripts (PowerShell, Python).
• Familiarity with relational databases (SQL Server, MySQL, Oracle) and SQL.
• Understanding secure application development practices, authentication, and compliance.

Responsibilities

• Design, develop, test, and maintain .NET applications (C#, ASP.NET MVC, Web API) for enterprise operations.
• Develop and integrate web services and system interfaces using REST, SOAP, XML, JSON.
• Create and maintain scripting solutions to automate processes and improve efficiency.
• Build and support data integration workflows exchanging and transforming information between systems.
• Query data and optimize data access for performance.
• Collaborate with cross-functional teams to translate business needs into technical solutions.
• Maintain and enhance SharePoint components and workflows as needed.
• Develop secure data sharing and system connectivity across Microsoft 365 and Azure.
• Troubleshoot and resolve issues across .NET applications and integration points.
• Document designs, mappings, and procedures; participate in planning and deployments.

Skills

C#/.NET development

REST/SOAP APIs

SQL/Stored procedures

PowerShell / Python scripting

System integration

Azure / Microsoft 365

SharePoint Online (familiar)

Security compliant development

Education

Bachelor's degree

Tools

Web API

Job description

ASRC Federal Technology Solutions is seeking an experienced .Net Software Engineer to design, develop, and maintain enterprise .NET applications. You will build and integrate REST/SOAP services, automate processes with scripting, and optimize data exchange across Microsoft 365 and Azure environments.

The role emphasizes backend/integration development, with responsibilities spanning data transformation, troubleshooting, and collaboration with business users and technical teams.