Java Software Developer - Full Stack - Senior

• Start Date: 2026-04-01

• End Date: 2027-03-31

• # Total Working Days: 248 days

• Onsite, Toronto, Ontario

Description

Analysis:

• Identify and document the impact of the business requirement changes or technical changes due to patching to mitigate identified vulnerabilities, end of life component changes, and version upgrades.

• Identify and document the impact to the User Interface due to the proposed changes.

• Identify and document the impact to the Middle Ware due to the proposed changes.

• Identify and document the impact to the Database model and historical data due to the proposed changes.

• Identify and document the impact to the reporting components for the proposed changes.

• Identify and document the impact to the security, user roles, user authorisation and user authentication due to the proposed changes.

Design:

• Identify, document, and validate the design changes to the system components of the User Interface impacted by the change.

• Identify, document, and validate the design changes to the system components of the middle ware, impacted by the change.

• Identify, document, and validate the design changes to the system components of the data model, database Schema, and historical data impacted by the change.

Implementation:

• Implement changes to the code for incorporating the changes to the user interface components. Unit test the changes to enable quality assurance.

• Implement changes to the code for incorporating the changes to the middle ware, components. Unit test the changes to enable quality assurance.

• Implement changes to the code for incorporating the changes to the metadata components, database components, auser interface components. Unit test the changes to enable quality assurance.

• Implement changes to the code for incorporating the changes to the. Unit test the changes to enable quality assurance.

• Implement changes to Data model, Database indexes, stored procedures, and functions. Unit test the changes to enable quality assurance.

• Implement changes to the reporting components. Unit test the changes to ensure quality.

• Implement changes to the application security, User Authentication, and User Authorisation as per design. Unit test the changes to ensure quality.

• Update code in the DevOps repository to reflect the changes.

• Package and document the whole solution for deployment to Test environment.

• Document the Release Change List.

Testing:

• Create required scripts to populate the data in test environment to enable integrated testing.

• Promote solution to test environment.

• Support integrated testing.

• Resolve issues identified.

• Support user acceptance testing.

• Aid in promotion to Production.

• Analyze the log files from all the servers and fix any issues identified.

Core Skills and Experience:

Must Haves:

• 10+ Years experience with support and maintenance of large, complex and legacy applications using JAVA, Web sphere, Tomcat, MySQL and Oracle technologies.
• 10+ Years experience in developing and maintaining applications with EJB, Eclipse, Spring Boot, UML, Use Case Model, Sequence Diagrams, and ER Diagrams

Other requirements:

• Public Sector Experience
• Knowledge and experience with Public Sector Health related projects
• Knowledge and understanding of Ministry policy and IT project approval processes and requirements.
• 10+ years experience with Java, J2EE, JSF, Hibernate, Power BI, Oracle DB and MySQL.
• 10+ years experience in supporting and maintaining applications using Oracle SQL Developer. optimising query performance and transaction management.
• 10+ year experience with Eclipse, Spring Boot, UML, and ER Diagrams.
• 10+ years experience with supporting and maintaining large complex legacy applications.
• 5+ years experience in support and maintenance of applications using Hibernate, and JPA
• 5+ Years experience in developing applications with complex data validation.
• 5+ Years experience with maintaining version control for the code using DevOps.
• 10+ years of experience in technical analysis, program code, detailed programming and reports specifications, program design, writing and /or generating code, and conducting unit tests
• 10+ years of experience in developing and maintaining system design models, technical documentation and specifications
• 5+ years of experience in conducting technical evaluation and assessment of options for technical design issues, application configuration aspects and integration capabilities, related tools and utilities, gap analysis of integration components to technical requirements / specifications / documentation.
• 5+ years experience with Agile/scrum SDLC methodologies
• 5+ years experience with security, user authentication, user authorisation and user Session Management.

General

• Critical thinking, analytical and problem-solving skills
• Excellent verbal and written communication skills.
• Strong consulting skills to engage with all stakeholders.
• Proven track record for building strong working relationships
• Excellent customer service skills, including tact and diplomacy to ensure client needs are managed effectively.