Full-time

Senior .NET Engineer (Contract)

Posted by Tech Holding • May 29, 2026

📍 Remote, Remote, Mexico
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Description

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...

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