Senior Mainframe Developer

We are seeking an experienced Senior Mainframe Developer to join a team supporting and enhancing a core mainframe cards and transactions platform. This is a critical enterprise system that connects clients to their banking products and services and supports 24/7 delivery channels such as Online Banking, POS, ATM, and other transaction-based services.
This role involves both development and production support, with a focus on designing, building, testing, deploying, and evolving software solutions in a highly available banking environment.
Key Responsibilities
Design, develop, test, deploy, support, and enhance software solutions that support core banking services
Lead and contribute to conversion, attestation, and audit initiatives
Manage individual priorities, timelines, deliverables, and project commitments
Analyze business and technical requirements to provide estimates and establish project plans
Create, update, and maintain technical and project documentation
Collaborate effectively with team members and cross-functional IT partners
Provide after-hours production support when required (rare)
Required Qualifications
Completion of post-secondary education
Strong written and verbal communication skills
Strong hands-on expertise with:
COBOL
JCL
IMS DB
Online / Batch processing
DB2
MQSeries
Git
Nice to Have
Experience with:
zUnit
Familiarity with CI/CD pipelines for mainframe environments
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