Software Developer - Senior

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 20, 2026
Posting language: English
Posted: Oct 22, 2026

Original job description

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Ref: RQ11720 Contract – 11 Months (Extension Possible) Onsite – Toronto (222 Jarvis St, 5th Floor)

Posted Date: 2026-10-21

Location: Onsite – Toronto (222 Jarvis St, 5th Floor)

Public Sector Experience: Required – OPS / Public Sector

Contract End Date: 2027-09-28 *

Rate: $101/hour

Overview

The Government Services Integration Cluster, Ministry of Public and Business Service Delivery and Procurement, is seeking a Senior Software Developer to join a multidisciplinary delivery team based onsite in Toronto. In this role, you will develop, configure, integrate, test, deploy, and maintain complex enterprise application components in alignment with approved architecture, security requirements, and coding standards. You will also provide technical leadership, guiding the team's direction and ensuring the quality, reliability, and maintainability of the overall solution.

Key Responsibilities

Design, develop, configure, test, and maintain Java application components in accordance with technical designs and coding standards.
Build and maintain cloud-based microservices in Microsoft Azure, including interfaces, APIs, integrations, data-access components, and automated tests.
Translate technical specifications, user stories, and acceptance criteria into working, production-ready software.
Develop automated unit, integration, API, database, and user-interface tests to support quality assurance activities.
Review code and provide practical, constructive feedback to team members, enforcing development, security, documentation, and testing standards.
Diagnose and resolve complex defects, performance issues, security vulnerabilities, and integration failures.
Support continuous integration and deployment activities, including deployment pipelines, configuration management, and application monitoring.
Provide technical leadership by guiding technical direction, coordinating development activities, and ensuring alignment with approved architecture and delivery objectives.
Mentor developers and provide technical guidance within a multidisciplinary team environment.
Estimate development work and contribute to sprint and release planning.
Support test teams, business acceptance testing, deployment, and post-implementation stabilization activities.
Identify technical risks, dependencies, and opportunities for improvement throughout the delivery lifecycle.

Must-Have Requirements

Demonstrated experience leading and managing development teams, including guiding technical direction and coordinating development activities.
Experience mentoring developers and providing technical guidance within multidisciplinary teams.
Extensive experience developing and maintaining complex enterprise or public-facing applications using Java.
Experience implementing user interfaces, APIs, services, integrations, and database components.
Experience developing and deploying cloud-based microservice architecture solutions in Microsoft Azure, including deployment pipelines, configuration management, and application monitoring.
Experience with APIs, integration patterns, automated deployment, and configuration management.
Experience developing automated tests for user interfaces, APIs, and databases.
Experience applying secure coding practices and addressing identified vulnerabilities.
Experience troubleshooting complex defects and resolving performance, reliability, and integration issues.
Experience applying object-oriented, structured, and Agile development methodologies.

Nice-to-Have Skills

Prior experience in the Ontario Public Service (OPS) or broader public sector environment.

Work Environment

This is a fully onsite position (5 days per week) located at 222 Jarvis St, 5th Floor, Toronto. No security clearance is required. The team follows Agile development methodologies, with collaborative participation in sprint planning, code reviews, and release activities.

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Final role details, responsibilities, and terms will be confirmed with shortlisted candidates. Compensation may vary based on experience. Errors and omissions excepted.

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More about this job

Responsibilities

Develop, test, deploy, and maintain complex Java enterprise applications and Azure-based microservices, including user interfaces, APIs, integrations, and database components. Provide technical leadership and mentorship while supporting code quality, secure development, deployment, troubleshooting, and delivery planning.

Requirements

Requires extensive experience building complex Java applications and deploying Azure microservices, along with expertise in APIs, integrations, automated testing, secure coding, and resolving performance and reliability issues. Candidates must have experience leading development teams, guiding technical direction, and mentoring developers in multidisciplinary Agile environments.

Skills

Java
Microsoft Azure
Microservices
API Development
Software Integration
Automated Testing
Secure Coding
Object-Oriented Programming
Agile Development
Continuous Integration and Deployment
Configuration Management
Application Monitoring
Performance Troubleshooting
Technical Leadership
Team Mentoring

Visa sponsorship

Not detected in the job text

Keywords

Java
Microsoft Azure
Microservices
Enterprise Applications
Public-Facing Applications
User Interfaces
APIs
Integration Patterns
Database Components
Automated Testing
Unit Testing
Integration Testing
API Testing
Database Testing
Secure Coding
Vulnerability Remediation
Continuous Integration
Continuous Deployment
Deployment Pipelines
Configuration Management
Application Monitoring
Object-Oriented Development
Structured Development
Agile Methodologies
Code Reviews
Sprint Planning
Release Planning
Performance Troubleshooting
Technical Leadership
Ontario Public Service

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