Senior .NET Engineer (Contract)

About us

Working at Tech Holding isn't just a job, it's an opportunity to be a part of something bigger. We are a full-service consulting firm that was founded on the premise of delivering predictable outcomes and high-quality solutions to our clients. Our founders and team members have industry experience and have held senior positions in a wide variety of companies – from emerging startups to large Fortune 50 firms – and we have taken our combined experiences and developed a unique approach that is supported by the principles of deep expertise, integrity, transparency, and dependability.

The Role

We are looking for a Senior .NET Engineer for maintaining, fixing, and improving a suite of legacy enterprise applications for a high-profile entertainment industry client. This role requires a seasoned engineer who is comfortable navigating complex, multi-generational codebases spanning VB6 through modern .NET Core, someone who can diagnose issues quickly and deliver pragmatic, stable solutions.

Key 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

Nice to have

• Exposure to Angular (v6, v9, or v12) for understanding front-end integrations
• Experience with Outlook Add-In development (.NET Framework)
• Background in the entertainment, talent management, or media industry
• Prior experience in a nearshore delivery model

Employment Type

• Contract