Client: Justice Technology Services

Ministry: Ministry of Public and Business Service Delivery and Procurement

Location: 21 College Street, Toronto, ON

Work Arrangement: 100% Onsite – 5 Days per Week

Contract: October 6, 2026 to March 31, 2027

Extension: Up to 2 extensions (64 days available)

Security Clearance: CRJMC

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

About the Opportunity We are seeking an experienced Specialized IT Consultant – Senior to support the development of the MAG Notify App , a secure notification platform designed to provide accused individuals with real-time updates, court appearance notifications, and clear procedural instructions.

The successful candidate will play a key role in designing and developing secure, scalable APIs and microservices while building robust integration solutions across enterprise and legacy systems. This role requires strong hands-on expertise in Java, Spring Boot, REST APIs, Spring Integration, Mainframe/IMS integration, Azure Service Bus, Event-Driven Architecture, containerization, and security frameworks .

Key Responsibilities

- Design, develop, and maintain secure, scalable, and high-performing RESTful APIs .
- Develop backend applications using Java and Spring Boot following enterprise development standards and best practices.
- Design and implement modular, independently deployable microservices .
- Develop integration solutions using Spring Integration and enterprise integration patterns.
- Build and support integrations with Mainframe/IMS systems.
- Develop messaging and event-driven solutions using Azure Service Bus and other relevant Azure services.
- Transform, map, route, and process data based on business and technical requirements.
- Design and implement relational database schemas and develop efficient SQL queries.
- Implement API security, authentication, authorization, encryption, and secure communication standards.
- Work extensively with security protocols and frameworks including OAuth, OpenID, and SAML 2.0 .
- Deploy and support applications within containerized environments using technologies such as Azure, OpenShift, Docker, and Kubernetes .
- Develop automated unit and API tests to ensure application quality and reliability.
- Monitor and troubleshoot applications, addressing performance bottlenecks and production issues.




- Produce technical design documents, API specifications, deployment guides, and operational documentation.
- Participate in code reviews and contribute to architectural and technical design decisions.
- Mentor junior developers and support knowledge sharing across the development team.
- Provide regular project status updates and participate in Agile ceremonies.
- Support production deployments and be available for occasional weekend/on-call production support when required.

Requirements Mandatory Skills and Experience Candidates must demonstrate strong hands-on experience in all of the following areas :

- Extensive experience in REST API design and development , including API documentation and testing.
- Strong expertise in Java and the Java development ecosystem , including extensive experience with Spring Boot .
- In-depth knowledge of integration patterns and best practices , including designing and building integration solutions using Spring Integration .
- Demonstrated experience integrating enterprise applications with Mainframe/IMS .
- Hands-on experience with messaging and queuing technologies, specifically Azure Service Bus .
- Strong experience designing and implementing Event-Driven Architecture .
- Prior experience working in containerized environments , including technologies such as Azure, OpenShift, Docker, Kubernetes, and Microservices .
- Extensive experience with Security and Web Services Security standards and frameworks .
- Strong hands-on experience implementing authentication and identity protocols including OAuth, OpenID, and SAML 2.0 .

Desired Skills and Qualifications

- Strong understanding of object-oriented and functional programming using modern Java features.
- Extensive experience designing scalable and highly available microservice architectures.
- Knowledge of enterprise messaging technologies such as JMS and AMQP .
- Experience with XML-based integration technologies,



including XSLT and XPath .
- Experience with data transformation, mapping, and normalization techniques.
- Experience with Azure Event Hub and other event-streaming technologies.
- Strong SQL development skills and experience with relational databases such as SQL Server or Oracle .
- Experience implementing authentication, authorization, encryption, and secure coding practices.
- Strong understanding of OWASP and common application security vulnerabilities.
- Experience with automated testing frameworks and tools for unit and API testing.
- Familiarity with Kubernetes, Helm , and container orchestration.
- Experience with monitoring and logging tools such as Prometheus, Grafana, ELK Stack, Logstash, or Splunk.
- Experience working in Agile environments using Scrum or Kanban methodologies.
- Solid analytical, troubleshooting, and debugging skills.
- Excellent written and verbal communication skills.
- Ability to work effectively with technical and non-technical stakeholders.
- Experience mentoring junior developers and contributing to technical architecture decisions.
- Strong ability to manage competing priorities and deliver high-quality solutions within deadlines.
- Previous experience working with Government or Public Sector organizations is an asset.

Key Evaluation Areas Candidates will be evaluated based on:

- Technical Design (30%) – Java, Spring Boot, REST APIs, Microservices, Event-Driven Architecture, Design Patterns, SQL.
- Integration (30%) – Spring Integration, Integration Patterns, Mainframe/IMS integration, Azure Service Bus.
- Technical Framework & Middleware (25%) – Azure services, Containerization, OpenShift, Docker, Kubernetes, Microservices, Messaging and Event-Driven Architecture.
- Security (10%) – OAuth, OpenID, SAML 2.0, Web Services Security, Authentication, Authorization, and Encryption.
- Public Sector Experience (5%) – Previous Government or Public Sector experience.

Note: This is a highly technical senior-level opportunity. Candidates should clearly demonstrate the mandatory skills within their project experience, particularly Java/Spring Boot, REST APIs, Spring Integration, Mainframe/IMS integration, Azure Service Bus, Event-Driven Architecture, container technologies, and OAuth/OpenID/SAML 2.0 .

📌 Specialized IT Consultant – Senior (Toronto)
🏢 Joblinxsapp
📍 Toronto