Our client is seeking a Senior Software Developer to support the development, enhancement, integration, and modernization of enterprise applications supporting Ontario's justice-sector operations. The role has a solid focus on Microsoft .NET development, SQL Server, application integration, data migration, enterprise architecture, web services, APIs, and dashboard/reporting solutions. The developer will also contribute to integrating information across justice-sector systems and consolidating legacy data sources into unified platforms to improve data quality, reporting consistency, analytics, and interoperability.

Key Responsibilities

- Develop, enhance, maintain, and support enterprise applications using C#, .NET/.NET Core, ASP.NET, MVC, and VB.NET.
- Design, develop, consume, and integrate Web Services and Web APIs.
- Build and enhance dashboards, reporting services, data pipelines, and analytics solutions.
- Design secure integrations between F-Path, Vanguard (QuinC), and justice-sector databases.
- Develop data-exchange mechanisms and integrate information across multiple enterprise systems.
- Perform data migration, transformation, consolidation, and integration from legacy data sources.
- Develop and optimize SQL Server/T-SQL solutions, including stored procedures, functions, triggers, scripts, and database objects.
- Contribute to conceptual, logical, and physical architecture and ensure alignment with enterprise architecture standards.
- Apply Service-Oriented Architecture (SOA) and object-oriented design principles.
- Create and work with technical artifacts such as Use Cases, Class Diagrams, Component Diagrams, and State Diagrams.
- Troubleshoot application issues, participate in testing/QA, and resolve defects.
- Prepare technical documentation and provide knowledge transfer to project teams.




- Collaborate closely with business stakeholders, developers, project managers, and technical teams.

Must-Haves

- 10+ years of software development experience, with strong hands-on experience in .NET/.NET Core.
- Strong experience with C#, .NET, VB.NET, ASP.NET, MVC, and ASP.NET Identity.
- Proficiency in JavaScript, jQuery, XML/XSLT.
- Strong Microsoft SQL Server and T-SQL experience, including stored procedures, functions, triggers, and scripts.
- Experience with WCF, WPF, Entity Framework, Microsoft Web Services, and related Microsoft .NET technologies.
- Experience designing, developing, and consuming Web Services and Web APIs.
- Strong knowledge of Service-Oriented Architecture (SOA) and object-oriented design.
- Experience with data migration and enterprise application integration.
- Experience with Oracle RDBMS and web servers.
- Experience with middleware, gateways, and communication protocols.
- Experience with Visual Studio, TFS/Azure DevOps, and cloud development.
- Ability to work with architecture and design artifacts such as Use Cases, Class Diagrams, Component Diagrams, and State Diagrams.

Nice-to-Haves

- Experience with Azure and cloud-based application development.
- Experience with Azure DevOps/TFS.
- Experience with DevExpress.
- Experience with Enterprise Library.
- Experience with Microsoft Sync Framework.
- Experience with Web Client Software Factory.
- Experience developing enterprise dashboards, reporting, and analytics.
- Experience integrating legacy systems and databases.
- Experience with justice, government, healthcare, or other large enterprise environments.
- Experience with database documentation tools.
- Experience with software testing, QA, and technical documentation.
- Experience with data quality, interoperability, and enterprise data integration.

📌 Senior .Net Developer (Toronto)
🏢 Teckhorizon
📍 Toronto