Software Engineer III

Hollstadt Consulting is a management and technology consulting firm dedicated to placing professionals at engagements where they will excel. When you work with us, you'll work with a refreshingly real company led and staffed by seasoned experts who are also down-to‑earth, good people. We're committed to treating you with respect and helping you achieve your career aspirations.

Since 1990, Hollstadt has been a trusted partner to more than 150 domestic and global companies and has successfully completed over 3,000 projects. Our continued growth has created challenging and rewarding opportunities for accomplished IT and Business Consultants. Hollstadt Consulting is an equal opportunity employer including disability/veteran.

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Software Engineer III

6 months contract to start

Remote

$65/hr W2

We are seeking a skilled Software Engineer III to support, enhance, and maintain business-critical applications built on the Microsoft technology stack. This role will focus primarily on sustaining and evolving existing systems, troubleshooting complex issues, implementing application enhancements, and ensuring the security, reliability, and performance of established platforms.

The ideal candidate will have strong experience working with C#, .NET Framework, ASP.NET Web Forms, SQL Server, and Azure-hosted applications
, and be comfortable navigating and improving legacy systems while supporting ongoing business needs. Success in this role requires strong problem‑solving skills, attention to detail, and the ability to balance technical debt remediation with day‑to‑day enhancement and support activities.

Application Maintenance & Enhancement

• 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.

Legacy System Support

• Provide ongoing support for legacy applications and integrations that support critical business processes.
• Maintain and optimize existing APIs, integrations, scheduled processes, and background services.
• Assist with technical debt reduction through code refactoring, component upgrades, and remediation activities.
• Evaluate system issues and recommend practical solutions that balance business needs, cost, and risk.
• Participate in application upgrade efforts, patching activities, and platform maintenance initiatives.

Security & Compliance

• Follow secure coding practices and organizational security standards when implementing changes.
• Support management of application secrets, certificates, and access controls using Azure services where applicable.
• Ensure applications meet established authentication, authorization, and data protection requirements.
• Assist with remediation of security findings and compliance-related enhancements.
• Support adherence to regulatory and…