Senior .NET Engineer (Contract - Part Time)
Tech Holding3 days ago
Responsibilities
- Maintain, debug, and enhance a portfolio of legacy desktop and web applications across multiple technology generations.
- Triage and resolve production issues in WinForms-based desktop apps and API/middleware services.
- Collaborate with client stakeholders and cross-functional engineering teams to understand business requirements.
- Refactor and improve legacy code where appropriate without disrupting existing functionality.
- Document findings, workarounds, and architectural decisions for knowledge transfer.
- Support integrations between legacy systems and modern API layers.
Requirements
- 5+ years of professional software development experience.
- Strong proficiency in VB.NET and C# (7.x / 8.x).
- Hands-on experience with .NET Framework (4.0, 4.5, 4.8) and .NET Core (3.1+).
- Experience working with or supporting VB6 applications.
- Familiarity with WinForms desktop application development.
- Experience building or maintaining REST APIs and middleware services.
- Ability to work independently in unstructured, legacy codebases with minimal documentation.
Tech Stack
AngularC#.NETVB.NETVisual Basic 6