Senior Software Developer – Full Stack

Client: Labour and Transportation Cluster

Ministry: Ministry of Public and Business Service Delivery and Procurement

Location: 87 Sir William Hearst Avenue, Toronto, Ontario M3M 0B4

Work Arrangement: 100% Onsite

Contract Duration: August 24, 2026 - March 31, 2027

Extension: Up to 134 business days / 1 extension term

Number of Openings: 1

Security Clearance: No Clearance Required

Position Overview

We are seeking an experienced Senior Full Stack Software Developer to join a dynamic Agile delivery team supporting the design, development, enhancement, testing, deployment, and maintenance of enterprise and cloud-native web applications. The successful candidate will work closely with Business Analysts, UX/UI Designers, Product Managers, Cloud Architects, QA teams, and other technical stakeholders to deliver scalable, secure, accessible, and high-quality software solutions. This role requires strong hands-on experience across front-end and back-end development, RESTful APIs, databases, modern JavaScript frameworks, cloud technologies, DevOps practices, and Agile software delivery.

Requirements

Mandatory Technical Skills

Entity Framework or other Object-Relational Mapping (ORM) data access tools

REST APIs and API-based application development

React and Next.js

JavaScript and TypeScript

SQL and relational database technologies

Node.js

Web Content Accessibility Guidelines (WCAG) for accessible web application development

Experience with common React libraries is also highly desirable, including:

React Hook Form

React Query

Zustand

Key Responsibilities

Collaborate with Business Analysts, UX/UI Designers, Product Managers, Cloud Architects, and other stakeholders to translate business requirements, user stories, UI/UX artifacts, solution architecture, security requirements, and data models into application designs and technical specifications.

Design, develop, test, debug, and maintain full-stack web applications and cloud-native software products.

Develop scalable Minimum Viable Products (MVPs) and enterprise cloud-native web applications while ensuring accessibility and AODA compliance.

Design and implement overall solution architecture.

Develop and integrate responsive front-end user interfaces with backend APIs and services.

Design, construct, and maintain RESTful API services.

Design and deploy relational and NoSQL database solutions.

Ensure applications are designed and optimized for performance, scalability, reliability, and maintainability.

Create object-oriented models and UML design artifacts using tools such as Power Designer.

Build and enhance applications using modern Cloud-Native, PaaS, microservices, API-based, responsive web design, and serverless architecture patterns.

Support Continuous Integration and Continuous Deployment (CI/CD) pipelines.

Participate in Quality Assurance and Defect Management activities, including unit testing, test automation, penetration/vulnerability testing, load testing, accessibility testing, system testing, user testing, and migration testing.

Provide critical production application support, including incident investigation, troubleshooting, root cause analysis, maintenance, and implementation of interim and long-term fixes.

Prepare Method of Procedure (MOP) documents and implementation packages for production releases.

Develop operational procedures and technical documentation for production support teams.

Coordinate system development activities and provide technical consultation and guidance to team members.

Provide post-implementation support and ongoing application maintenance.

Provide knowledge transfer to Ministry staff throughout the engagement.

Translate business requirements into technical designs and software implementations.

Technical Environment

React / Redux / Next.js

JavaScript and TypeScript

Node.js

JSON

REST APIs and Web Services

Entity Framework and ORM technologies

SQL and relational databases

Azure SQL

Azure PaaS and Cloud Services

Java EE technologies

Spring Framework / Spring Boot / Spring MVC

Microservices Architecture

Serverless Architecture

Responsive Web Design

Java 1.8+, JDK 11+

JDBC, JPA

XML, DOM, SAX, XSLT

HTML / DHTML

WebLogic 14+, WebSphere, JBoss, Tomcat, WildFly

Relational, hierarchical, and NoSQL databases

Preferred / Nice-to-Have Skills

Azure SQL

Azure Cloud Development, including PaaS and SQL services

Responsive web application development

Web APIs and web services design, development, and testing

Unit testing and test automation using tools such as NUnit, XUnit, MSTest, Karma, or Jasmine

Regression testing, both manual and automated

Playwright or other web-based QA automation tools

Microservices and container-based application development and deployment

Spring Boot

Git-based source control

Azure DevOps (VSTS/TFS)

CI/CD pipeline setup, management, and automation

Agile Delivery Experience

Working in Scrum/Agile software development environments.

Participating as a Developer or QA/Test professional within cross-functional delivery teams.

Collaborating with Developers, Testers, Product Management, Business Analysts, and Design teams.

Participating in sprint planning, task planning, daily stand-ups, iteration demos, retrospectives, and review meetings.

Providing technical input into development estimates and solution designs.

Working in concurrent development environments using Git-based source control and feature branching strategies.

Supporting DevOps practices and CI/CD pipelines.

Accessibility Requirements

Web Content Accessibility Guidelines (WCAG)

Accessibility for Ontarians with Disabilities Act (AODA)

Accessible and inclusive web application development practices

Soft Skills

Excellent analytical, problem-solving, and decision-making abilities.

Strong verbal and written communication skills.

Excellent interpersonal and collaboration skills.

Strong negotiation and stakeholder management abilities.

Ability to work independently and collaboratively within a multidisciplinary team.

Ability to communicate complex technical concepts to both technical and non-technical stakeholders.

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