Position: Mainframe Developer

Location: Toronto – Hybrid

Job Summary

We are seeking an experienced Mainframe Developer to design, develop, test, implement, maintain, and support enterprise-scale mainframe applications within a banking workplace.

The ideal candidate will have strong hands-on experience with COBOL, CICS, JCL, DB2, IMS DB/DC, VSAM, TSO/ISPF, and related IBM Mainframe technologies. The candidate will be responsible for application development, system enhancements, production support, debugging, testing, and technical design.

Key Responsibilities

- Design, develop, enhance, and maintain IBM Mainframe applications.
- Develop and maintain COBOL programs, JCL, CICS transactions, DB2/IMS components, and VSAM files.
- Analyze business and technical requirements and translate them into effective technical solutions.
- Prepare functional and technical design specifications.
- Perform coding, unit testing, system testing, integration testing, debugging, and implementation.
- Troubleshoot application issues, job failures, abends, data issues, and production incidents.




- Perform root-cause analysis and implement corrective and preventive solutions.
- Analyze existing mainframe applications to understand business rules, dependencies, interfaces, and system impacts.
- Support batch processing and online transaction processing environments.
- Work with upstream and downstream systems and application interfaces.
- Participate in code reviews and ensure adherence to development, security, quality, and enterprise standards.
- Support application maintenance, enhancements, defect resolution, and production deployments.
- Collaborate with business analysts, architects, developers, infrastructure teams, QA, and production support teams.
- Participate in SDLC/Agile processes, project planning, estimation, implementation, and status reporting.
- Contribute to modernization, automation, and continuous improvement initiatives.
- Prepare technical documentation and support knowledge transfer to other team members.

Regards

Patrick Fernandez

Talent Acquisition Group - Strategic Recruitment Manager

📌 Mainframe Developer (Toronto)
🏢 Themesoft
📍 Toronto