Sr. .NET Developer

TEKsystems

📍 Waterloo, ON, Canada

Full-time other-general

Job Description

Why is this Role Open?
Our client is undergoing a major modernization initiative within a core business platform. The organization is replacing a mission-critical legacy VB6 system and transitioning it to a modern .NET 10 solution. This is not simply a code conversion project. The team needs a Developer who can modernize legacy business functionality, convert legacy services into scalable API-driven architecture, validate and challenge architectural decisions, improve development standards, mentor junior developers, and bridge the gap between Architecture and Development teams. The objective is to ensure the modernized platform delivers the same or better functionality while positioning the business for long-term scalability, maintainability, and modernization.
What You’ll Do:

+ Design, develop, and maintain .NET solutions

+ Support migration from VB6 to .NET 10 · Build API-driven architecture

+ Analyze and validate architectural solutions

+ ...
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