Senior .NET Engineer - Legacy Apps & Azure

Hollstadt Consulting; Minnesota; On-site; USD 90,000 - 130,000; Full time

Job summary

Hollstadt Consulting is seeking a Software Engineer III to support, enhance, and maintain business-critical applications built on the Microsoft technology stack. You will focus on sustaining and evolving existing systems, troubleshooting complex issues, and ensuring security, reliability, and performance of established platforms.

The ideal candidate will have strong experience with C#, .NET Framework, ASP.NET Web Forms, SQL Server, and Azure-hosted applications, and will navigate legacy systems

Qualifications

• 5+ years of experience developing and supporting applications using C#, .NET Framework, ASP.NET Web Forms, and SQL Server.

Responsibilities

• Support, maintain, and enhance existing applications built using C#, .NET Framework, ASP.NET Web Forms, and SQL Server.
• Diagnose, troubleshoot, and resolve application defects, performance issues, and production support incidents.
• Implement business-requested enhancements and system improvements within existing application architectures.
• Analyze legacy codebases to identify opportunities for stability, maintainability, and performance improvements.
• Collaborate with business stakeholders, product owners, and technical teams to understand and implement changing business requirements.
• Create and maintain technical documentation related to application functionality, support procedures, and system architecture.

Skills

C#

.NET Framework

ASP.NET Web Forms

SQL Server

Azure

Azure DevOps

CI/CD

Security best practices

Troubleshooting

Communication

Tools

Azure DevOps

CI/CD tooling

Job description

Hollstadt Consulting is seeking a Software Engineer III to support, enhance, and maintain business-critical applications built on the Microsoft technology stack. You will focus on sustaining and evolving existing systems, troubleshooting complex issues, and ensuring security, reliability, and performance of established platforms.

The ideal candidate will have strong experience with C#, .NET Framework, ASP.NET Web Forms, SQL Server, and Azure-hosted applications, and will navigate legacy systems