Senior Software Developer (Backend) (10+ years) to design and enhance enterprise-scale applications using .NET, C#, REST APIs, and SQL Server/DB2 Our public sector client is seeking a Senior Software Developer (Backend) (10+ years) to design and enhance enterprise-scale applications using .NET, C#, REST APIs, and SQL Server/DB2 . This role focuses on backend application development, data architecture, database design, REST APIs, enterprise integrations, and full SDLC delivery using contemporary .NET technologies. The position offers significant involvement in technical design, performance optimization, troubleshooting, and end-to-end solution delivery. 12 month Contract, high chance of extension, Vancouver, Hybrid 3 days per week, Working Hours: PST 10+ years designing and supporting enterprise software solutions using .NET , C# , .NET Core , and ASP.NET ~ Extensive experience with backend application development , enterprise application integration , REST APIs , and web services ~ Expertise in data architecture , data modeling , database design , SQL Server , and DB2 ~ Extensive experience with N-tier architecture , service-oriented architecture , UML , system design patterns ,



and enterprise architecture ~ Degree in Computer Science, Software Engineering, Information Technology, or a related discipline, or equivalent combination of education and experience Automated testing experience Test-Driven Development (TDD) Quality assurance practices Experience working with third-party vendors and external partners Design, develop, enhance, support, and maintain enterprise-scale backend applications using .NET/C# technologies NET applications while developing new enterprise solutions Design and implement scalable, secure, maintainable, and high-performing application architectures Develop logical and physical data models supporting complex business processes Develop and maintain APIs, web services, and integrations with internal and external systems Perform performance tuning, troubleshooting, root cause analysis, and resolution of complex application and database issues Support the full Software Development Lifecycle (SDLC), including requirements analysis, design, development, testing, deployment, and production support AI may be used in evaluating candidates.

📌 Senior Software Developer (Backend) (10+ years) to design and enhance enterprise-scale applications using .NET, C#, REST APIs, and SQL Server/
🏢 S.i. Systems
📍 Vancouver