Sr. Mainframe Developer/Card Payments

  • Date Posted Jul 9, 2026
  • Location Toronto, Ontario
  • Job Type Contract
  • Job ID 20084

Are you an experienced Mainframe Developer seeking a new opportunity? Apply Now!

Working with one of our top financial clients, this role calls for a Sr. Mainframe Developer/Card Payments. This position involves supporting mission-critical mainframe applications, working closely with a dedicated team to ensure system scalability, security, and high performance. The role offers a chance to enhance technical expertise within a dynamic environment, with opportunities for career growth and skill development.

Pay rate range (CAD): $65.60/hr – $78.72/hr

Responsibilities

  • Develop and maintain mainframe applications, including COBOL, JCL, CICS, and VSAM solutions.
  • Translate business requirements into technical design and implementation documents.
  • Support testing phases, including unit, system, and integration testing, ensuring quality standards are met.
  • Assist in production deployment and support post-deployment stabilization activities.
  • Participate in incident management, analyzing outages, performing impact assessments, and supporting recovery efforts.
  • Contribute to peer code reviews and technical documentation to ensure code quality and adherence to standards.
  • Identify opportunities for process improvements, automation, and modernization of mainframe practices.
  • Collaborate with internal teams regarding project deliverables, potential risks, and dependencies.
  • Support compliance, security, and governance standards within applications and environments.
  • Maintain communication with stakeholders regarding project status and technical issues.

Desired Skill-Set

  • Over 10 years of application development experience, including end-to-end system design, development, testing, and support.
  • Strong expertise in COBOL, JCL, CICS, VSAM, and SAS.
  • Hands-on knowledge of batch processing frameworks, TIBCO, NDM, FTP, Endevor, and related tools.
  • Experience with mainframe platforms such as IBM OS/390, Z/OS, TSO, and ISPF.
  • Familiarity with enterprise source control, change management, and deployment procedures.
  • Excellent problem-solving, analytical, and communication skills.
  • Ability to work independently and in a team environment.

Nice to Have

  • Experience in financial services or Card Payment Network industries.
  • Knowledge of CA-7 scheduling, File-aid, Test Sets, ServiceNow, and other operational tools.
  • Experience supporting on-call rotations and handling high-pressure situations.
  • Knowledge of automation and modernization initiatives within mainframe environments.

BeachHead is an equal opportunity agency and employer. We advocate for our candidates and welcome applicants regardless of race, color, religion, national origin, sex, age, or physical or mental disability. BeachHead or our clients may use technology-enabled tools, including automation and artificial intelligence (AI), to support parts of the recruitment process such as resume screening, application management, and candidate matching. These tools assist our recruiters and our clients, and do not replace human decision-making. This job posting represents a current or anticipated vacancy. The position may be filled at any time, and the posting may be removed without notice once the role has been filled.
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