Location: Montréal Job Summary: .NET Architect to modernize our SaaS platform, guide the development team, and build a high\-performing, modern, and human\-centered HR platform. At SIGMA\-RH, we are building an intelligent, integrated, and human\-centric HR solution. Our mission: reinvent human resources management through technology and artificial intelligence. Would you like to be part of this journey alongside people who place humanity at the heart of technology? **Your Responsibilities** Reporting to the Director of Product Development, you will play a key role in the modernization and architectural evolution of our SaaS platform. You will drive technical innovation and serve as a cornerstone for the development team. **Your challenges will include:** * Transforming a robust legacy application into a modern, high\-performance, and scalable solution * Actively participating in the migration from ASP.NET WebForms to .NET Core/Standard and Blazor Server * Contributing to architectural decisions with direct impact on product strategy * Optimizing performance and reliability of a mature system handling large volumes of data * Implementing advanced DevOps and CI/CD practices on Azure to streamline the development lifecycle * Serving as a technical mentor within the team: simplifying, inspiring, and supporting * Thriving in an environment that values autonomy, curiosity, and pragmatism **Your Profile** * 5\+ years of experience in C\# / .NET development with strong interest in software architecture * Proven experience in modernizing or refactoring existing applications * Proficiency in Blazor Server or solid experience with modern frameworks (React, Angular, Vue.js) * Strong knowledge of Azure, CI/CD pipelines, and DevOps environments * Ability to solve complex problems with a pragmatic approach * Comfortable working in a dense and challenging technical ecosystem * Broad technical vision and ability to design sustainable solutions * Natural leadership skills and a coaching mindset to grow a team * Analytical thinker, results\-oriented **Why SIGMA\-RH?** * Competitive salary * Rapidly growing company committed to agile methodologies * Work\-life balance (flexible hours and hybrid work environment) * State\-of\-the\-art tools and equipment * Employer\-supported retirement plan * Comprehensive health and dental benefits * Health spending account and 24/7 virtual healthcare * OPUS card and BIXI subscription subsidies **Join us to accelerate your career and shape the future of HR solutions!**