Sr Java Developer

Toronto, ON
On-site
Posted Oct 22, 2026
1 position

$90–$95 / hour

Opens LinkedIn

Employment type: Contract
Experience level: Lead · 10+ years
Posting language: English
Working hours: 40 hours per week
Seniority: Mid-Senior level
Application method: Direct apply is available

Job summary

Develop, configure, integrate, test, deploy, and maintain complex application components in line with approved architecture, technical designs, security requirements, and coding standards. Provide technical leadership, guide development teams, and support solution quality, reliability, performance, and maintainability.

Job details

Title: Sr Java Developer Start Date 2026-11-02 End Date 2027-09-28 Assignment Type Onsite Location: Toronto Organization Government Services Integration Cluster Extension # of Days Ministry Ministry of Public and Business Service Delivery and Procurement # Business Days 230.00 Overview: Develops, configures, integrates, tests, deploys, and maintains complex application components in accordance with approved architecture, technical designs, security requirements, and coding standards. Provides technical leadership and supports the quality, reliability, performance, and maintainability of the solution. Must Have: Must have experience leading teams and managing development teams. Demonstrated experience providing team and solution leadership, including guiding technical direction, coordinating development activities, and ensuring alignment with approved architecture and delivery objectives. Experience mentoring developers and providing technical guidance within multidisciplinary teams. Experience developing complex enterprise or public-facing applications. Experience implementing user interfaces, APIs, services, integrations, and database components. Experience developing and deploying applications in cloud-based environments. Experience with APIs, integration patterns, automated deployment, and configuration management. Experience developing automated tests for user interfaces, APIs, and databases. Experience : Software Development Experience - 40% Experience developing complex enterprise or public-facing applications. Experience implementing user interfaces, APIs, services, integrations, and database components. Experience applying object-oriented, structured, and Agile development methodologies. Cloud, Integration, and Deployment - 25% Experience developing and deploying applications in cloud-based environments. Experience with APIs, integration patterns, automated deployment, and configuration management. Experience supporting application monitoring and operational readiness. Testing, Security, and Quality - 20% Experience developing automated tests for user interfaces, APIs, and databases. Experience applying secure coding and code-quality practices. Experience troubleshooting defects and improving application performance and maintainability. Communication and Technical Leadership - 15% Experience providing technical guidance and conducting code reviews. Strong analytical, documentation, and problem-solving skills. Nice to have: Prior OPS or public sector experience. Note: AI-enabled tools may be used to sort applications based on job-related criteria. All AI generated results are vetted by our team and the decision of which candidates move forward is always made by a human

What you’ll do

Requirements

Requires experience leading and mentoring development teams and building complex enterprise or public-facing applications across user interfaces, APIs, services, integrations, and databases. Candidates should also have cloud deployment, automated testing, secure coding, troubleshooting, code review, and technical communication experience.