RQ00788 - Software Developer - Full Stack - Seniorx3

Duration: 1 Year (250 Business Days) + 1 Possible Extension

Location: 525 University AvenueToronto

(Up to 3 days onsite (subject to HM's discretion) )

No security clearance

Must Have skills:

- C# / .NET Development
- 10+ years of hands-on experience developing enterprise applications using C#, .NET Core/ASP.NET Core, and ASP.NET Framework 3.5/4.x, including modernization of legacy .NET applications.
- REST API Development & Security
- Strong experience designing, developing, integrating, and troubleshooting RESTful APIs, including JWT, OAuth2, authentication, and authorization.
- Angular / Front-End Development
- Strong experience with AngularJS, JavaScript, HTML, CSS, jQuery, and ASP.NET MVC, with experience migrating legacy AngularJS applications to modern Angular preferred.
- Microsoft SQL Server & Database Development
- Strong T-SQL development skills, including stored procedures, views, triggers, indexing, query optimization, execution plans, and database performance tuning.
- Microsoft Azure Cloud Development
- Hands-on experience with Azure App Service, Azure SQL Managed Instance, Azure Storage, Event Hub, Azure Data Explorer (ADX), Key Vault, Application Insights, and Azure Monitor.
- Azure DevOps & Git
- Experience with Azure DevOps, CI/CD pipelines, automated deployments, release management, GitHub, and/or Azure Repos.
- Performance, Multithreading & Scalability
- Strong experience with multithreaded and asynchronous programming, parallel processing, application performance optimization, and scalability across application and database layers.
- Production Troubleshooting & Testing
- Strong troubleshooting and root-cause analysis skills using KQL, Postman, SoapUI, Swagger/OpenAPI, IIS, application logs, monitoring tools, and database diagnostics.
- Legacy Application Modernization
- Experience maintaining and modernizing ASP.NET Framework, Windows Services, WCF/Web Services, Windows Forms, and IIS-hosted applications; Tomcat troubleshooting is an asset.
- Software Engineering & Architecture
- Strong knowledge of object-oriented programming, design patterns, software architecture, SDLC, Agile/Scrum, code reviews, clean code, and secure/maintainable software development practices.

Nice-to-have skills:





- Healthcare System Integration: Experience developing and supporting integrations between healthcare applications and systems.
- HL7: Familiarity with HL7 standards and healthcare messaging, including experience troubleshooting HL7 interfaces.
- FHIR: Knowledge of FHIR standards, resources, APIs, and modern healthcare interoperability.
- Mirth Connect: Hands-on experience developing, configuring, monitoring, and troubleshooting Mirth Connect channels and integrations.
- Public Sector Experience: Preferred

Description:

The Enhancing Home and Community Care (HCC) Digital Connectivity program is executing a multi-year strategy to modernize the HCC digital ecosystem, reduce dependency on the Client Help and Related Information System (CHRIS) platform, and establish the technical foundations for a future-state home care platform. Current plans require the Agency to rationalize existing CHRIS functionality and progressively decompose the platform's monolithic architecture into modular, interoperable services that can integrate with next-generation digital solutions. To support this transformation, the Agency requires the procurement of three Senior Software Developers responsible for designing, developing, enhancing, and maintaining enterprise-grade web applications and backend services.

These resources require extensive experience with the Microsoft technology stack, up-to-date web development frameworks, Azure cloud services, SQL Server, and API development. They will contribute to solution development and support the delivery of secure, scalable, and high-performing software solutions.

Responsibilities:

- Design, develop, test, deploy, and maintain enterprise applications using .NET, AngularJS, JavaScript, and related technologies.
- Develop and integrate secure REST APIs and modernize legacy .NET Framework, WCF, Windows Services, and Windows Forms applications.




- Build responsive web user interfaces and implement secure authentication using JWT/OAuth2.
- Develop high-performance, multithreaded, and asynchronous applications.
- Develop, configure, and support Azure cloud services, including App Services, Azure SQL, Storage, Event Hub, ADX, Key Vault and monitoring solutions.
- Develop and optimize SQL Server databases, including complex queries, stored procedures, indexing, execution plans, and performance tuning.
- Perform application testing, production troubleshooting, root-cause analysis, and performance optimization across application, database, cloud, and infrastructure layers.
- Support DevOps and CI/CD processes using Azure DevOps and Git-based source control.
- Conduct code reviews and ensure high-quality, maintainable, secure, and well-documented software.
- Collaborate with architects, analysts, QA, infrastructure teams, and business stakeholders on technical design and solution delivery.
- Contribute to application modernization and migration of legacy systems to modern Azure-based platforms.

Deliverables:

- Develop functionalities per business requirements.
- Migrate applications from .NET Framework 4.x to .NET Core/.NET.
- Design, develop, and implement secure RESTful APIs.
- Develop modern Angular web front-ends and migrate existing AngularJS applications to Angular.
- Develop and optimize data access and database operations, including query and performance optimization.
- Conduct performance testing and tuning to improve application scalability, responsiveness, and reliability.
- Implement and enhance application security, including authentication, authorization, and secure API practices.

AI Disclaimer: Source Code may use artificial intelligence (AI) tools to assist in certain aspects of its recruiting and business operations.

Note: The higher end of the range is intended for absolutely exceptional candidates who meet all must-have requirements and most or all nice-to-have qualifications. The client will evaluate candidates based on both rate expectations and overall skill set when shortlisting.

INCORPORATED RATE RANGE (7.25 billable hours per day)

- $90.20/hr - $108.29/hr Inc.

T4 RATE RANGE (7.25 billable hours per day)
- $72.16/hr - $86.63/hr T4

📌 Software Developer - Full Stack - Seniorx3 (Toronto)
🏢 Source Code
📍 Toronto