Mainframe programmer Jobs in Brampton, ON

Our Technology team wakes up every day with one goal in mind - connecting Canadians to the people and things that matter most. Together, we are proud to support 30 million Canadians each month through managing a robust portfolio that champions leading-edge technology. We drive large-scale, complex, and high-visibility technology projects and programs that shape the future of technology in Canada and expand connectivity from coast to coast. If you are interested in being a part of this, consider applying for the following opportunity :

We are looking for a highly skilled Linux Systems Developer with expertise in software compilation, C++ development, and PostgreSQL. This role involves building and optimizing custom software for Linux environments, integrating with mainframe systems, and supporting application deployments. The ideal candidate will also collaborate with vendors, manage SOPs, and participate in both non-production and production releases.

What you will be doing :

Development & Compilation

• Design and develop Linux applications using C++ and POSIX APIs.
• Customize and maintain build systems (Makefiles, CMake) for complex software compilation.
• Perform cross-compilation for hybrid environments (Linux ↔ mainframe).
• Optimize binaries for performance, memory usage, and reliability.
• Implement database logic and optimize queries in PostgreSQL (PL / pgSQL, indexing, query tuning).

Mainframe Integration

Application Support & Operations

DevOps & Automation

What you bring

Nice-to-Have

​ To protect our people, brand and assets, a pre-employment background check will be conducted. As part of our selection process, all candidates must clear a criminal background check. Additionally, a credit check and drivers abstract may be required depending on the role.

Schedule :  [[req_RogersFullPartTime]]

Shift : Day

Length of Contract : Not Applicable (Regular Position)

Work Location :  8200 Dixie Road (101), Brampton, ON

Travel Requirements : None

Background Check(s) Required : [[req_backgroundCheckPackageID]]

Posting Category / Function : Technology & Information Technology

Requisition ID : 331369

To support career growth, collaboration, and high-performing teams, all Corporate Employees are expected to work onsite a minimum of four (4) days per week starting October 6, 2025, increasing to five (5) days per week effective February 2, 2026. We believe that in-person connection strengthens our culture and drives industry-leading performance.

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Posting Notes :   Technology