sr. cobol developer.

We are seeking a versatile and proactive Mainframe Software Developer to join a premier organization in the financial and insurance services sector. In this role, you will play a key part in designing, coding, and maintaining robust core business applications within an enterprise Z/OS MVS mainframe environment. Working within a collaborative, fast-paced team, you will contribute to both minor software updates and large-scale modernization initiatives, ensuring high system reliability and performance.

Advantages
Flexible Hybrid Model: Balance remote productivity with meaningful in-person collaboration (2 days/week in office).

Professional Growth: Exposure to enterprise-scale mainframe architectures, modern integration tooling, and complex financial systems.

Supportive Culture: Join an established team with a strong emphasis on continuous learning and cross-functional support.

Responsibilities
Application Development & Maintenance: Write, refactor, and review COBOL and JCL code for both batch and online applications.

Production Support & Defect Resolution: Rapidly diagnose and fix software bugs across the software development lifecycle to minimize impact on operations.

Nightly Batch Monitoring: Participate in a periodic on-call rotation to troubleshoot and resolve overnight batch process issues.

Project & Ad-Hoc Delivery: Analyze requirements, estimate effort, and execute solutions for routine service requests as well as major multi-phase projects.

System Implementations: Coordinate and execute scheduled off-hours and weekend deployment releases.

Qualifications
5+ years of hands-on mainframe development experience on the Z/OS MVS platform using COBOL, JCL, and TSO/ISPF.

Strong familiarity with main stay mainframe tools and schedulers (e.g., CICS, VSAM, DFSORT, Control-M or similar, IBM Developer tools).

Proven ability to work independently in an agile, multi-tasking environment.

Comfort participating in on-call rotations and scheduled weekend deployments.

Assets:

Background in Property & Casualty (P&C) insurance, or experience with legacy core engines like Halcion/Paxus and Supra databases.

Exposure to modern DevOps and integration tech (e.g., CICS Web Services, Java, REXX, Git, Jenkins, XML/SOAP).

Our client operates in Canada. The company takes all reasonable steps to limit the number of positions in Quebec that require knowledge of a language other than French, and only requires it when necessary and its existing bilingual employees are unable to perform these duties. Based on an assessment conducted by our client, it has been determined that this position requires candidates to be fluent in English (both spoken and written). In particular, this position will require the employee to interact with centralized internal departments (e.g., Operations / HR / Finance / Legal / Contracts / Sales) that support the organization in Canada and that do not speak French.

Summary
Location: Saint-Hyacinthe, QC (Preferred) or Toronto, ON

Work Arrangement: Hybrid (2 days in-office per week)

Position Type: Full-time / Contract

Experience Level: Intermediate to Senior

Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.

Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to View email address on randstad.com to ensure their ability to fully participate in the interview process.

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