Senior Full Stack Software Developer

Job Title: Senior Full Stack Software Developer Client: Community Services Cluster Location: Toronto, Ontario Work Arrangement: 100% Onsite – 5 Days/Week Contract End Date: March 31, 2027 Openings: 1 Position Overview We are seeking an experienced Senior Full Stack Software Developer to design, develop, test, debug, and maintain complex enterprise applications. The successful candidate will have strong expertise across modern Microsoft.NET technologies, Azure Cloud services, API development, front-end development, database technologies, and DevOps practices. This role requires a highly technical professional capable of translating technical specifications into scalable, secure, high-performing, and accessible applications while collaborating effectively throughout the Software Development Life Cycle (SDLC). This position requires onsite work in Toronto, 5 days per week. Key Responsibilities • Design, develop, test, debug, and maintain full-stack enterprise applications. • Design and continuously enhance data pipelines involving extraction, transformation, and loading activities. • Translate technical system specifications into high-quality, tested software solutions. • Develop detailed programming specifications and reusable software components. • Conduct unit testing and ensure code quality throughout the development lifecycle. • Troubleshoot and resolve technical issues related to software applications, implementations, conversions, and migrations. • Design and develop scalable front-end and back-end architectures. • Develop and integrate RESTful APIs and web services. • Integrate front-end user interfaces with APIs and backend services. • Design and model relational databases for web-based applications. • Build secure Azure Cloud applications and support CI/CD pipelines. • Ensure applications meet accessibility standards, including WCAG AA and AODA compliance. • Collaborate with business stakeholders, subject matter experts, and technical teams. • Develop technical specifications, system documentation, and development documentation. • Participate in Agile/Scrum development environments and deliver work within sprint timelines. Requirements Mandatory Technical Skills Full Stack & .NET Development Candidates must have demonstrated extensive experience designing, developing, testing, and debugging system enhancements using: • C# • ASP.NET / ASP.NET Core • Web API • Blazor WASM • Web Forms • .NET Core • .NET Entity Framework • LINQ • WCF • Crystal Reports • Redis Cache • xUnit • Moq • JavaScript / JScript • CSS • HTML Azure Cloud & API Development Strong hands-on experience with: • Azure Cloud Services • Azure API technologies • Azure Active Directory / Microsoft Entra ID • OAuth • Azure AD Security • Azure App Registrations and Policies • Azure Multi-Factor Authentication (MFA) • Single Sign-On (SSO) • Azure Functions • Azure App Service • Azure Container Instances • Azure Key Vault • Managed Identities • CORS configuration • Swagger • Postman • Thunder Client • API coding and testing • RESTful API development DevOps & CI/CD Demonstrated experience with: • Azure DevOps • CI/CD pipelines • DevOps/TFS • Agile/Scrum methodologies • Working in short development iterations • User stories and sprint-based delivery • Estimation and task tracking Front-End Development & Accessibility Strong experience developing modern, responsive, and accessible web applications using: • Angular / Angular Material Design • JavaScript • HTML • CSS • Multi-browser application support • WCAG AA compliance • AODA-compliant application development • Front-end integration with APIs • UX/UI fundamentals Software Architecture & Development Practices Demonstrated knowledge and experience with: • SOLID design principles • Dependency Injection • Simple Injector • Design patterns • Reusable and testable software components • NuGet and other package managers • Object-oriented programming • SDLC methodologies and standards • Application architecture • Unit testing and debugging Database Technologies Strong database development and design experience with: • Oracle • SQL Server • PL/SQL • PL/SQL Developer • TOAD • Relational database design and modelling • SQL development Additional Technical Experience Experience with the following technologies and concepts will be considered highly valuable: • Java programming for web applications • Java WebLogic • Tomcat • EJB • Servlet • REST and SOAP web services • Middleware and gateways • Internet-ready applications • Rapid Application Development (RAD) • Multi-threaded Windows Services • Product installation scripts • Application deployment and troubleshooting • Post-implementation support General Skills & Qualifications • Extensive experience throughout the Software Development Life Cycle. • Experience in application design, development, implementation, maintenance, and troubleshooting. • Ability to work with structured development methodologies. • Strong experience with front-end and back-end integration. • Experience eliciting and documenting information from business stakeholders and subject matter experts. • Ability to analyze requirements and determine functional requirements for reports and system enhancements. • Experience supporting business users across multiple highly interdependent applications and data sources. • Experience working in complex multi-client or partner environments. • Ability to create technical specifications and development documentation. • Strong analytical, problem-solving, and decision-making abilities. • Excellent verbal and written communication skills. • Strong interpersonal and stakeholder management skills. • Proven ability to work collaboratively as part of a team and meet project deadlines. • Experience leading business users and supporting successful delivery of complex assignments. Preferred Experience • Public sector experience. • Experience supporting education systems or education-sector projects. • Knowledge of Information Management principles, concepts, policies, and practices. • Experience conducting design walkthroughs with project teams. • Ability to develop user and system documentation. • Knowledge of AODA regulations and accessibility standards. Mandatory Candidate Profile The ideal candidate must demonstrate strong, hands-on experience across the following core areas: C# | ASP.NET | .NET Core | Web API | Blazor WASM | Azure Cloud | Azure AD/Entra ID | OAuth | Azure Functions | App Service | Azure DevOps | CI/CD | REST APIs | Swagger | Postman | Angular | JavaScript | HTML/CSS | WCAG AA | AODA | Oracle | SQL Server | PL/SQL | Entity Framework | LINQ | WCF | Redis Cache | xUnit | Moq | SOLID | Dependency Injection | Agile/Scrum