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Application Support Developer - Java

Technology
Global ERP Solutions
Mississauga, Canada1 month agoUntil 2026-11-14
Full time

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.
Keywords
monthsOfExperience: 120HTML5JavaScriptHtmlSqlTomcatJavaRelational grammarIntegration platformL4 microkernel familyDebuggerDebuggingSoftware bugWorkaround

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