Senior Java Full-Stack Developer - Enterprise Web Apps

SereneAID; Toronto; On-site; CAD 110,000 - 160,000; Full time

Job summary

Community Services Cluster, Ministry of Public and Business Service Delivery and Procurement, Government of Ontario is seeking two Senior Software Developers – Full Stack to design, build, test, and maintain enterprise Java/J2EE web applications at the Ontario Public Sector. The role emphasizes secure, scalable, accessible, and compliant solutions.

You will develop front-end interfaces, integrate with back-end services and APIs, design RESTful and SOAP web services, and work within an Agile SDLC

Qualifications

• Hands-on experience with Java/J2EE technologies, including JSF, HTML, XML/XSL.
• Experience designing and consuming RESTful and SOAP web services.
• Experience with Oracle and SQL Server databases and SQL scripting.

Responsibilities

• Design, develop, configure, integrate, test, debug, document, deploy, and maintain enterprise Java web applications.
• Translate technical specifications and business requirements into working applications.
• Develop and maintain Java/J2EE web-based applications using n-tier architecture.
• Develop front-end interfaces and integrate with back-end services and APIs.
• Design, construct, consume, and integrate RESTful and SOAP web services.
• Develop and maintain data pipelines involving ETL activities.
• Develop database solutions and perform SQL scripting using Oracle and SQL Server.
• Work with relational database technologies and RDBMS concepts.
• Develop reusable, self-contained, testable software components and modules.
• Apply current software architecture principles, design patterns, and development standards.
• Troubleshoot and resolve application, integration, deployment, migration, and production issues.
• Support application implementation, conversion, migration, and post-implementation activities.
• Participate in Agile/iterative SDLC.
• Conduct and participate in technical/design walkthroughs with project teams.
• Collaborate with developers, architects, business stakeholders, SMEs, and IT professionals.
• Develop technical and system documentation as required.
• Support CI/CD activities.
• Ensure applications are designed for performance, scalability, maintainability, and reliability.
• Ensure solutions comply with accessibility requirements, including AODA.
• Assist with reviewing, analyzing, modifying, testing, and debugging installation/deployment scripts.
• Provide technical assistance and support for software packages and applications.

Skills

JAVA

J2EE

JSF

HTML / DHTML

XML / XSL

Servlets, EJB, Tomcat & WebLogic

REST APIs

SOAP web services

Oracle SQL scripting

SQL Server

Oracle Database

RDBMS concepts

Swagger/OpenAPI

Spring

MyBatis

jQuery

Tomcat

WebLogic

Tools

Spring

MyBatis

jQuery

Tomcat

WebLogic

Job description

Community Services Cluster, Ministry of Public and Business Service Delivery and Procurement, Government of Ontario is seeking two Senior Software Developers – Full Stack to design, build, test, and maintain enterprise Java/J2EE web applications at the Ontario Public Sector. The role emphasizes secure, scalable, accessible, and compliant solutions.

You will develop front-end interfaces, integrate with back-end services and APIs, design RESTful and SOAP web services, and work within an Agile SDLC