Full-time jobs in Oakville, Ontario

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

Newest first

Within 25 km of Oakville

Added 1 month ago
Associate Veterinarian - Abbey Animal Hospital
VetStrategy / Daubigny
Oakville, ON
Added 1 month ago
HeavyBid Estimating System & Quote Specialist
Trillium Rail Partners
Mississauga, ON
Added 1 month ago
CM
Skip Tracing Specialist
CanCap Management Inc.
Mississauga, ON
- $45,000 to $50,000 CAD / year
Added 1 month ago
Quality Control Operator
Evertz Microsystems Limited
Burlington, ON
Added 1 month ago
Lead Workforce Intelligence Researcher - Employee Listening, Culture & Engagement
McKesson
Mississauga, ON
Added 1 month ago
Program Manager - Customer Center
McKesson
Mississauga, ON
Added 1 month ago
Lead Workforce Intelligence Researcher - Strategic Workforce Planning & Organizational Effectiveness
McKesson
Mississauga, ON
Added 1 month ago
Product Application Engineer
McKesson
Mississauga, ON
Added 1 month ago
Retube Tooling Analyst
AtkinsRéalis
Mississauga, ON
Added 1 month ago
Retube Tooling Analyst
AtkinsRéalis
Mississauga, ON
Added 1 month ago
B
Professional Engineering - Project Management, Sustaining Platforms
Bombardier
Mississauga, ON
- $55,400 to $87,100 CAD / year
Added 1 month ago
Commercial Director (Nuclear New Build)
AtkinsRéalis
Mississauga, ON
Added 1 month ago
Application Support Developer - Java
Global ERP Solutions
Mississauga, ON
Added 1 month ago
EP
Human Resource Information System Manager
Elby Professional Recruitment
Mississauga, ON
- $100,000 to $120,000 CAD / year
Added 1 month ago
Industrial Millwright 433A
Smurfit Westrock
Mississauga, ON
Added 1 month ago
Associate Veterinarian - Abbey Animal Hospital
VetStrategy
Oakville, ON
Added 1 month ago
UO
Assistant Professor - Education Studies - STEM Education
University of Toronto
Mississauga, ON
- $130,000 to $165,000 CAD / year
Added 1 month ago
Fundraising Specialist - [GTA West]
Islamic Relief Canada
Burlington, ON
Added 3 months ago
SAP S/4HANA Enterprise Architect
Capgemini
Mississauga, ON
Added 1 month ago
IN
National Sales Manager - Residential, Canada
IKO North America
Mississauga, ON
- $160,000 to $175,000 CAD / year
Added 1 month ago
Sales Consultant - Mercedes-Benz Mississauga (26285)
Zanchin Automotive Group
Mississauga, ON
Added 1 month ago
Electrical Engineer - GTA
Trevor Frances Recruitment
Oakville, ON
Added 1 month ago
Human Resources Manager - Manufacturing
Trevor Frances Recruitment
Mississauga, ON
Added 1 month ago
(CAN) Stock Unloader Associate
Walmart Canada
Oakville, ON
Added 1 month ago
R
Senior Carrier Sales
Remco
Mississauga, ON
- $80,000 to $85,000 CAD / year

Global ERP Solutions

Application Support Developer - Java

Mississauga, ON, Canada

Full-time

Within 25 km of Oakville · About 14.1 km from the city centre

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Job details

Job type: Full-time
Apply by: Mar 13, 2027
Experience: 8+ years of software development/support experience.
Posted: Sep 14, 2026

Original job description

We are seeking a highly skilled and experienced Senior Application Support Developer - Java to join our dynamic team.

Role Description Provide L3 application support, troubleshooting, maintenance, and minor enhancements for mission-critical telecom BSS applications supporting the Government of Canada contract. The role requires deep expertise in Java / JavaScript-based applications and databases - the ability to diagnose production issues across multiple interconnected systems. Focus on issue resolution, performance diagnosis, data validation, and operational stability of critical business systems

Roles and Responsibilities:

Provide L3 support for Java, JavaScript, and Tomcat-based applications.
Support backend databases and application environments.
Investigate data discrepancies and transaction failures.
Perform SQL queries for troubleshooting and validation.
Monitor and troubleshoot integration flows between applications.
Resolve interface and data synchronization issues.
Troubleshoot production incidents and restore services promptly.
Analyze application logs and identify root causes of issues.
Perform minor code enhancements and bug fixes.
Support deployment activities and release validations.
Collaborate with business users to understand issues and explain system behavior.
Investigate ticket flow issues, integration failures, and application performance concerns.
Document fixes, workarounds, and support procedures.
Participate in occasional after-hours deployment and incident support.

Qualifications

Java, J2EE
JavaScript
Boomi Integration Platform
Remedy
SQL Server / Relational Databases
Java-based Application Support
Tomcat Application Server
HTML/CSS
Web Application Architecture
SQL and Database Troubleshooting
Log Analysis and Debugging
Version Control Systems
Telecom BSS application support
Incident management
Root cause analysis
Release support

Experience

8+ years of software development/support experience.
Strong troubleshooting capabilities across multiple technologies.
Experience supporting legacy enterprise applications.

Mandatory Requirements

Eligible for Canadian Government Level 2 Secret Clearance.
Minimum 10 years residency in Canada preferred.
Strong written and verbal communication skills.

Apply About employer

More about this job

Responsibilities

Provide L3 application support, troubleshooting, and minor enhancements for mission-critical telecom BSS applications. Focus on resolving production incidents, diagnosing performance issues, and ensuring operational stability across interconnected systems.

Requirements

Requires over 8 years of software development or support experience with deep expertise in Java, JavaScript, and SQL. Candidates must be eligible for Canadian Government Level 2 Secret Clearance and preferably have 10 years of residency in Canada.

Skills

Java
J2EE
JavaScript
Boomi Integration Platform
SQL Server
Tomcat Application Server
HTML/CSS
L3 Application Support
Incident Management
Root Cause Analysis
Log Analysis
Telecom BSS
Remedy
Relational Databases
Version Control Systems
Web Application Architecture

Visa sponsorship

Not detected in the job text

Keywords

Java
J2EE
JavaScript
Boomi
Remedy
SQL Server
Tomcat
HTML
CSS
BSS
Telecom
L3 Support
Incident Management
Root Cause Analysis
Log Analysis
Debugging
Version Control
Government of Canada
Secret Clearance
Application Support
Data Validation
Integration Flows
Enterprise Applications
Software Development
Production Support

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