Job Title

Senior .NET Software Engineer (Contract 12 Months)Location: Hybrid / Remote (Canada)Type: Full-Time Contract (1 Year)Client: Confidential Global Technology CompanyAbout the OpportunityWere seeking a Senior .NET Software Engineer to join a high-performing application modernization team at a leading global technology company. This is a critical 12-month contract role where youll play a key part in a major initiative to migrate legacy .NET Framework systems to a modern .NET 8 microservices-based architecture.Youll work alongside a collaborative and talented engineering team in an environment that values innovation, autonomy, and technical excellence. If youre passionate about tackling complex modernization challenges and leaving a lasting impact, this role offers the perfect opportunity.The RoleThis engagement is structured across two core phases:Phase 1 Platform Foundation & Migration (First 6 Months):You will:Lead the upgrade of existing legacy .NET Framework applications to modern .NET 8.Untangle complex dependencies and refactor core platform components.Establish foundational microservices architecture and manage package upgrade paths and compatibility issues.Phase 2 Product Enablement & Optimization (Next 6 Months):You will:Partner with product teams to decompose and migrate domain code to the new platform.Provide hands-on technical guidance, mentorship, and architectural support.Continuously refine and enhance the new platform based on feedback and evolving requirements.This team operates under a you build it, you run it philosophy youll be responsible for design, development, testing, deployment, and ongoing operational excellence.Key ResponsibilitiesModernize and migrate legacy .NET applications from monolithic to microservices architecture.Refactor and optimize large-scale C# codebases, ensuring performance, scalability, and maintainability.Implement Domain-Driven Design (DDD) principles to guide architectural restructuring.Collaborate closely with cross-functional teams to drive end-to-end modernization efforts.Support production systems and contribute to continuous improvement initiatives.Required Skills & ExperienceProven experience migrating enterprise-scale applications from .NET Framework to .NET 6/7/8.Deep expertise in C#, ASP.NET, and modern .NET Core/.NET 8.Strong understanding of microservices, API design, and distributed systems.Hands-on experience with Domain-Driven Design (DDD) and large-scale refactoring.Demonstrated success managing complex dependency and package upgrade paths.Highly ValuedExperience with Kubernetes, Docker, and containerized applications.Knowledge of message queuing, RESTful APIs, and event-driven architectures.Strong troubleshooting and debugging skills for production systems.Familiarity with CI/CD pipelines, unit testing, and best practices in code quality.Excellent communication and collaboration skills with both technical and non-technical stakeholders.Why JoinContribute to a flagship modernization project that will define the next generation of digital architecture.Work with a team of innovative engineers who value autonomy, learning, and technical mastery.Competitive compensation and flexibility in a supportive, forward-thinking environment.Note: This opportunity is with a confidential global client. Only qualified candidates with direct .NET migration experience will be shortlisted.