Our Concord based client is seeking a Senior Developer to modernize legacy applications using .NET and Azure services.

Join a high-impact team driving modernization and application design initiatives within a energetic hybrid setting.

This role leads full-stack development and refactoring across up-to-date .NET and Azure cloud solutions while supporting critical legacy systems.

Candidates will play a key part in architecting scalable services and delivering robust enterprise-grade solutions over a 6month engagement based in Concord, Ontario Contract, Concord, Hybrid, Working Hours: EST Must Haves 8+ years in enterprise .NET and C# application development with RESTful APIs and service-based architecture Proficiency with SQL Server , TSQL , and structured data formats such as JSON and XML Handson experience delivering on Azure App Services , Azure Functions , Logic Apps , and Azure Dev

Ops (Repos, Boards, Pipelines) Expertise in OAuth2 , OpenIDConnect ,



and secure API design aligned with OWASPTop10 principles Degree in Computer Science, Software Engineering, or equivalent Nice to Have Experience with Angular or similar SPA frameworks Exposure to AIassisted development tools or AIenabled features Knowledge of KendoUI, Bootstrap, and modern UI fundamentals Understanding of Application

Insights, Serilog, and performance diagnostics Responsibilities Assist with requirement gathering to ensure alignment with business objectives Design application architecture based on business needs and best practices Develop and maintain web applications, including legacy systems Provide production support and ensure system reliability during working hours Troubleshoot and resolve technical issues efficiently Coordinate with project managers, users, and team members following agile methodology Lead modernization and refactoring of legacy applications to .NET and Azure services

📌 Senior Developer To Modernize Legacy Applications Using Net And Azure Services Hybrid Model Toronto
🏢 S.i. Systems
📍 Toronto