Full-time jobs in Vaughan, Ontario

Find full-time jobs in Vaughan, Ontario and nearby towns within 25 km. Read the full details and apply.

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Within 25 km of Vaughan

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Yoush Consulting

JEE Developer, senior

Toronto, ON, Canada

Full-time

Within 25 km of Vaughan · About 22.9 km from the city centre

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Job details

Job type: Full-time
Apply by: Nov 15, 2026
Experience: 10+ years demonstrated knowledge and experience of IT systems development in multi-platform environments (web, desktop, mobile, mainframe, micro/mini systems, etc.)
Posted: Oct 27, 2026

Original job description

Job Description

Welcome to Yoush Consulting. Are you an independent IT Consultant or wish to become one?

Are you looking to partner with an organization that presents you with consulting opportunities and supports you as a partner?

We require multiple Java developers with experience in application vulnerability issues and Websphere middleware. This is for a client in the public sector. Please contact us urgently if you are qualified.

You will be required to develop and implement a series of technology upgrades/migrations to address existing solution vulnerabilities and to take preventative measures for the Payment Summary Control System and Enrollment and Consent Management / Claims Data Entry applications.

Requirements

Experience migrating from WebSphere Application Server (WAS) to Open Liberty or Liberty, and upgrading applications from Java 8 to Java 9+
Experience patching WAS, troubleshooting compatibility and other issues.
10+ years demonstrated knowledge and experience of IT systems development in multi-platform environments (web, desktop, mobile, mainframe, micro/mini systems, etc.)
Experience with multi-tiered open-standard technologies such as JSP/Servlet, JSF, JEE, EJB, JNDI, JDBC, JMS, XML, JSON, REST and SOAP-based Web Services
Experience with Strut Framework, Tomcat, Apache, WebSphere, Open Liberty, Liberty, WebLogic, Windows Server 2012/2016/2019, .NET, VPN, PKI, LDAP, Oracle RDBMS (versions 19C+), PL/SQL, development and deployment tools (e.g. source codes and application packages management), GIT Hub, Jenkins, DevOps, Cloud technologies (containerization, hosting, deployment, networking).

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Responsibilities

Develop and implement technology upgrades and migrations to address vulnerabilities and prevent future issues in the Payment Summary Control System and Enrollment and Consent Management / Claims Data Entry applications. Migrate applications from WebSphere Application Server to Open Liberty or Liberty, upgrade Java versions, and patch and troubleshoot WebSphere.

Requirements

Requires 10+ years of IT systems development experience in multi-platform environments and experience migrating from WebSphere to Open Liberty or Liberty and upgrading applications from Java 8 to Java 9 or later. Candidates should have experience with WebSphere patching and troubleshooting, multi-tier open-standard technologies, application servers, databases, development and deployment tools, DevOps, and cloud technologies.

Skills

Java
WebSphere Application Server
Open Liberty
Java Application Migration
Vulnerability Remediation
JEE
JSP/Servlet
JSF
EJB
REST and SOAP Web Services
Oracle RDBMS
PL/SQL
Jenkins
GitHub
DevOps
Cloud Technologies

Visa sponsorship

Not detected in the job text

Keywords

Java
WebSphere Application Server
Open Liberty
Liberty
Java 8
Java 9+
Application Vulnerabilities
Vulnerability Remediation
JSP/Servlet
JSF
JEE
EJB
JNDI
JDBC
JMS
XML
JSON
REST
SOAP
Struts Framework
Tomcat
Apache
WebLogic
Windows Server
.NET
Oracle RDBMS
PL/SQL
GitHub
Jenkins
DevOps

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