Application Support Engineer

Location: Oakville, ON (Hybrid – 3 days/week in office)

Position Type: Full-Time, Permanent

Must be eligible to work in Canada

Roles and responsibilities

We are seeking an experienced Application Support Developer to join a dynamic IT team. In this role, you will be instrumental in ensuring system stability, functionality, and performance across core business applications.

Combining hands-on software development with complex technical problem-solving, you will handle everything from production break-fixes and system enhancements to architecture modernizations and security upgrades. This role is ideal for a proactive developer who thrives in an agile environment and bridges the gap between technical execution and business needs.

Key Responsibilities

- Development & System Maintenance: Execute development tasks spanning production break-fixes, system enhancements, security upgrades, and modernization initiatives.
- Root Cause Analysis & Monitoring: Conduct deep-dive root cause analysis for recurring technical and business issues. Identify monitoring gaps and enhance logging mechanisms to mitigate future risks.
- Reverse Engineering & Troubleshooting: Reverse engineer complex system modules and contained code blocks to resolve critical production issues and support upgrades.
- Technical Documentation: Author detailed system-level artifacts, including design documentation, solution proposals, workflow diagrams, and technical specifications.
- Incident Management & Operational Support: Respond to and resolve technical issues and service requests.



Participate in on-call and weekend support rotations for software releases, system patching, and incident response.
- Agile Collaboration: Work collaboratively across IT and business teams within an agile framework to deliver strategic, high-quality software solutions that meet reliability, security, and usability standards.
- Continuous Improvement: Evaluate current architectural and design practices to recommend process enhancements and continuous improvement initiatives.

Qualifications & Skills

Requirements

- Education: Bachelor’s degree in computer science, Engineering, or a related technical field.
- Experience: 5 years of experience in IT production support, software development, or business systems analysis.
- Database & SQL: Strong proficiency in SQL, with proven experience writing and debugging complex queries.
- Development & Tech Stack: Hands-on troubleshooting experience with applications built on Java, Angular, React, Node.js, Apache Camel, Python, or TypeScript.
- Messaging Systems: Demonstrated experience troubleshooting MQ channel issues.
- ITSM Knowledge: Familiarity with IT Service Management tools and frameworks (e.g., ITIL).
- Communication & Analytical Skills: Exceptional problem-solving abilities with the capacity to translate complex business requirements into clear technical concepts.

Nice-to-Have

- Experience with cloud platforms and modern cloud architectures.
- Domain experience with insurance systems and integrations (e.g., underwriting, claims, actuarial, or finance).

📌 Application Support Engineer (Oakville)
🏢 Randstad Digital
📍 Oakville