Full Stack Software Developer

A public sector client is seeking Senior Full Stack Software Developers to support a large-scale digital modernization initiative. The role focuses on modernizing legacy applications, building scalable web solutions, and developing secure cloud-based services.

Key Responsibilities

• Design, develop, test, deploy, and maintain enterprise applications using C#, .NET, Angular/AngularJS, and JavaScript.
• Develop and integrate secure REST APIs using JWT/OAuth2.
• Modernize legacy .NET Framework, WCF, Windows Services, and Windows Forms applications.
• Build responsive Angular-based web applications and support AngularJS-to-Angular migrations.
• Develop and optimize SQL Server databases, stored procedures, queries, indexing, and performance.
• Develop and support Microsoft Azure services including App Service, Azure SQL, Storage, Event Hub, ADX, Key Vault, and monitoring.
• Support Azure DevOps, CI/CD pipelines, Git, automated deployments, and release management.
• Troubleshoot production issues, conduct root-cause analysis, and optimize application performance.
• Participate in code reviews and ensure secure, maintainable, and high-quality development.
• Collaborate with architects, business analysts, QA, infrastructure teams, and stakeholders.
• Contribute to application modernization and migration toward modern Azure-based platforms.

Required Qualifications

• 10+ years of hands-on experience with C#, .NET Core/ASP.NET Core, and ASP.NET Framework.
• Strong experience with REST API development, authentication, authorization, JWT, and OAuth2.
• Strong Angular/AngularJS, JavaScript, HTML, CSS, jQuery, and ASP.NET MVC experience.
• Strong T-SQL and SQL Server development and performance-tuning experience.
• Hands-on experience with Microsoft Azure services.
• Experience with Azure DevOps, CI/CD, GitHub and/or Azure Repos.
• Strong understanding of multithreading, asynchronous programming, scalability, and performance optimization.
• Experience with troubleshooting tools such as KQL, Postman, Swagger/OpenAPI, IIS, application logs, and monitoring tools.
• Experience modernizing legacy applications and working with WCF/Web Services, Windows Services, Windows Forms, and IIS.
• Strong understanding of software architecture, design patterns, SDLC, Agile/Scrum, and secure development practices.

Must-Have Experience

• Legacy application modernization and transformation
• ASP.NET Core and backend engineering

REST API development

Angular application development

• Scalable and loosely coupled solution design
• API-first, event-driven, modular architecture, or DDD experience

Nice to Have

Healthcare system integration experience

HL7

FHIR

Mirth Connect

Contract Details

• Contract: 250 business days, with potential extension
• Location: Toronto, Ontario
• Work Model: Hybrid, up to 3 days onsite, subject to hiring manager discretion