Java Application Developer

Position: Java Application Developer

Location: Toronto, ON (Hybrid)

Employment Type: Full Time

Experience Required: 10 + Years

Role Summary:

We are seeking an experienced Application Developer with strong expertise in Java Backend Development, Quarkus, XML/XSLT Processing, and Enterprise Integration. The ideal candidate will have hands-on experience with Saxon XML/XSLT libraries, parser development, structured data transformation, YAML conversion, IBM DataPower, and MQ-based integrations. This role involves designing, developing, and supporting secure, scalable backend solutions in a complex enterprise environment.

Required Skills:

• Strong hands-on experience in Java backend development
• Experience with Quarkus
• Good experience with Saxon XML/XSLT libraries
• Strong understanding of XML, XSLT, and XSLT parser implementation
• Experience in building or maintaining parsers
• Experience in converting/translating structured data into YAML files
• Knowledge of policy-based and rule-based processing
• Hands-on experience with MQs / message queue-based integrations
• Good understanding of communication/security protocols such as TLS and MQ
• Experience with backend application debugging, performance tuning, and support

Key Responsibilities:

• Design, develop, and maintain scalable backend applications using Java and Quarkus
• Build and support services involving XML/XSLT transformations using libraries such as Saxon
• Develop and maintain parser components for structured data processing and conversion, including transformation to YAML
• Work with XSLT parsers and rule/policy-based processing frameworks
• Implement and support integrations using message queues (MQs)
• Ensure secure communication and transport using protocols such as TLS and MQ
• Analyze technical requirements and translate them into robust backend solutions
• Troubleshoot, optimize, and enhance existing backend and transformation components
• Collaborate with architects, analysts, and cross-functional teams to deliver integration solutions
• Leverage Copilot, Codex, or similar AI-assisted development tools to improve developer productivity and code quality
• Participate in code reviews, testing, and deployment support activities

Preferred Skills:

• Experience in enterprise integration or middleware-heavy environments
• Familiarity with API and service-based architectures
• Exposure to DevOps practices and CI/CD pipelines
• Knowledge of secure application design and integration standards
• Experience using GitHub Copilot, Codex, or similar AI coding assistants in development workflows