osition: Senior Full Stack Software Developer

Client: Children, Youth & Social Services Cluster (CYSSC)

Ministry: Ministry of Public and Business Service Delivery and Procurement

Location: 5700 Yonge Street, Toronto, ON

Work Arrangement: 100% Onsite

Openings: 2

Contract: October 5, 2026 – March 31, 2027

Extension: 1 possible extension term

Schedule: Monday–Friday, 7.25 hours/day, between 8:00 AM and 5:00 PM, excluding lunch

Security Requirement: CRJMC

Submission Deadline: September 30, 2026 at 3:00 PM

Resume Limit: Maximum 5 pages

Maximum Submissions: 2

Position Overview The Children, Youth & Social Services Cluster is seeking two Senior Full Stack Software Developers to design, develop, test, deploy, and support enterprise-grade web applications and services.

The successful candidates will work across the full Software Development Life Cycle (SDLC), translating business and technical requirements into scalable solutions using React, JavaScript/TypeScript, HTML5, CSS3, ASP.NET Core, C#, Microsoft Azure, SQL, Git, and Azure DevOps.

The role requires strong hands-on full-stack development capabilities, including front-end development, backend/API development, database design, cloud deployment, application architecture, CI/CD, troubleshooting, and production support.

Key Responsibilities

- Translate business and technical requirements into working, tested applications.

- Develop detailed technical specifications, write code, conduct unit testing, and support solution implementation.

- Design, develop, test, deploy, maintain, and modernize full-stack web applications.

- Develop responsive and accessible user interfaces using React, JavaScript/TypeScript, HTML5, and CSS3.

- Develop scalable backend services and RESTful APIs using ASP.NET Core and C#.

- Design and implement reusable, maintainable, and scalable application components.

- Design and implement application architectures, database solutions, integrations, and cloud-based solutions.

- Develop and consume RESTful APIs to support application integration and business processes.

- Integrate front-end applications with RESTful backend APIs.

- Work with Azure SQL Database and relational database technologies, including SQL and database design.

- Deploy and support applications using Microsoft Azure services.

- Implement and maintain CI/CD pipelines and automated deployment processes using Azure DevOps and Git.

- Work with source control, branching strategies, repositories, and release management.

- Troubleshoot and resolve application, integration, performance, and production support issues.

- Participate in code reviews and ensure adherence to development standards, security requirements, and best practices.

- Support application deployment, migration, modernization, and cloud transformation initiatives.

- Provide technical architecture support, solution design recommendations, technical guidance, and effort estimates.

- Prepare and maintain technical documentation.

- Collaborate with Business Analysts, Architects, Technical Leads, QA teams, project teams, and business stakeholders throughout the SDLC.

- Work effectively within Agile delivery teams using Scrum and Kanban methodologies.

- Support backlog management, sprint planning, development tracking, and technical delivery through Azure DevOps.

- Contribute to development environment, cloud infrastructure, operational, and deployment requirements.





- Work with containerization and orchestration technologies such as Docker and Kubernetes, where applicable.

Requirements

Mandatory Technical Skills

Candidates must demonstrate hands-on experience with the following:

Front-End Development

- React

- JavaScript / TypeScript

- HTML5

- CSS3

- Development of responsive and accessible user interfaces

- Design of reusable, maintainable, and scalable front-end components

Backend Development

- ASP.NET Core

- C#

- RESTful API development

- Scalable backend services

- Application integration and API consumption

Microsoft Azure

Hands-on experience with:

- Azure App Service

- Azure SQL Database

- Azure Storage Accounts

- Azure API Management

- Azure cloud application deployment

- Secure, scalable, high-performing cloud-based applications

DevOps / CI/CD

- Azure DevOps

- Git

- CI/CD pipeline implementation and maintenance

- Automated deployment processes

- Source control and branching strategies

- Release management

- Development and deployment automation

Full-Stack Architecture

- Full-stack application architecture

- Database design

- Relational databases and SQL

- System integration

- Cloud-based solution design

- Application performance optimization

- Security and development best practices

Additional Technologies

- Docker

- Kubernetes

- Azure Logic Apps

- Modern development frameworks

- Object-oriented programming principles

General Qualifications

- Demonstrated experience in application design, development, testing, implementation, deployment, and support.

- Strong experience designing, coding, testing, debugging, documenting, and supporting enterprise applications.

- Strong understanding of object-oriented programming principles and modern development frameworks.

- Experience working with modern programming languages.

- Experience with relational database technologies and SQL.

- Ability to elicit, analyze, and document business and technical requirements from stakeholders and subject matter experts.

- Experience translating requirements into practical technical solutions.

- Experience with effort estimation, technical planning, solution recommendations, and technical documentation.

- Strong analytical, problem-solving, decision-making, and critical-thinking skills.

- Ability to troubleshoot complex technical issues and optimize application performance.

- Strong written, verbal, communication, and interpersonal skills.

- Ability to communicate technical concepts effectively to both technical and non-technical audiences.

- Proven ability to work effectively within Agile delivery teams and meet project deadlines.

- Ability to manage competing priorities and work independently when required.

Agile & Delivery Experience

Candidates should have experience with:

- Scrum and Kanban

- Agile software development practices

- Cross-functional Agile teams

- Sprint planning and backlog management

- Technical delivery planning

- Development tracking using Azure DevOps

- Collaboration with Business Analysts,



Architects, Technical Leads, QA, project teams, and business stakeholders

- Working within established SDLC processes and enterprise development methodologies

CI/CD, Infrastructure & Cloud The successful candidate will have experience:

- Implementing and maintaining Azure DevOps CI/CD pipelines

- Managing Git repositories and branching strategies

- Automating application builds, testing, deployment, and releases

- Supporting cloud development and deployment environments

- Deploying applications to Azure App Service

- Working with Azure SQL Database

- Working with Azure Storage Accounts

- Working with Azure API Management

- Working with Azure Logic Apps

- Supporting secure, scalable, and high-performing cloud applications

- Using Docker and Kubernetes for containerization/orchestration

Mandatory Must-Have Checklist

Candidates submitted for this role must clearly demonstrate all of the following:

1. React development experience.

2. JavaScript/TypeScript, HTML5, and CSS3 experience.

3. ASP.NET Core and C# backend development experience.

4. Experience developing RESTful APIs and backend services.

5. Hands-on experience with Azure App Service.

6. Hands-on experience with Azure SQL Database.

7. Hands-on experience with Azure Storage Accounts.

8. Hands-on experience with Azure API Management.

9. Experience implementing/supporting CI/CD pipelines using Azure DevOps.

10. Experience using Git, including source control and branching strategies.

11. Robust full-stack development experience covering front end, backend, database, architecture, and cloud deployment.

12. Experience with application architecture and database design.

13. Experience working in Agile/Scrum/Kanban environments.

14. Experience collaborating with technical and business stakeholders throughout the SDLC.

15. Ability to work 100% onsite at 5700 Yonge Street, Toronto.

16. Ability to meet the CRJMC security requirement.

Evaluation Focus

Technical Skills – 80%

The evaluation will focus heavily on:

- React, JavaScript/TypeScript, HTML5, CSS3

- ASP.NET Core and C#

- RESTful API and backend development

- Reusable and scalable front-end architecture

- Full-stack application architecture

- Database design and SQL

- Azure App Service

- Azure SQL Database

- Azure API Management

- Azure Storage Accounts

- Cloud-based application development

- DevOps, Azure DevOps, Git, CI/CD, and automated deployment

- Application troubleshooting and performance optimization

- Security and development best practices

Soft Skills & Collaboration – 20%

- Cross-functional collaboration

- Agile delivery experience

- Analytical and critical-thinking skills

- Problem-solving and decision-making

- Strong verbal and written communication

- Stakeholder engagement

- Collaboration with architects, technical leads, Business Analysts, QA, and project teams

- Ability to manage competing priorities and deliver within established timelines

Important Submission Information

- 2 positions available

- Maximum 2 candidate submissions

- 100% onsite – Toronto

- CRJMC security requirement

- Maximum 5-page resume

- Contract runs from October 5, 2026 to March 31, 2027

- Standard work schedule is Monday to Friday, 7.25 hours/day

- Candidates should clearly demonstrate the mandatory technologies and Azure services directly on their resumes.

📌 Senior Full Stack Software Developer (Toronto)
🏢 Upstaff
📍 Toronto