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Mainframe Developer

TD Bank


Job Location:

Toronto - Canada

Yearly Salary: CAD 81600 - 115200
Posted: 5 September 2026 (13 hours ago)
Application Deadline: 3 December 2026
Vacancies: 1 Vacancy

Job Summary

Work Location:

Toronto Ontario Canada

Hours:

37.5

Line of Business:

Technology Solutions

Pay Details:

$81600 - $115200 CAD

TD is committed to providing fair and equitable compensation opportunities to all colleagues. Growth opportunities and skill development are defining features of the colleague experience at TD. Our compensation policies and practices have been designed to allow colleagues to progress through the salary range over time as they progress in their role. The base pay actually offered may vary based upon the candidates skills and experience job-related knowledge geographic location and other specific business and organizational needs.

As a candidate you are encouraged to ask compensation related questions and have an open dialogue with your recruiter who can provide you more specific details for this role.

Job Description:

The Senior Mainframe Developer is responsible for the design development modernization and support of critical applications within Core Investment Management (Core IM). The role involves delivering secure and reliable mainframe solutions supporting complex batch processing production stability regulatory requirements and ongoing technology improvements.

Responsibilities:

  • Produce high-quality functional and technical designs for Core Investment Management and the RIO (Registered Income Options) application.
  • Participate in complex application and systems development project planning estimation programming testing implementation and status reporting to ensure deliverables are completed on time and meet corporate quality and security standards.
  • Translate business Enterprise Architecture system performance regulatory and development-standard requirements into maintainable RIO mainframe solutions.
  • Design develop enhance and support COBOL JCL IMS DB/DC and/or DB2 components VSAM files datasets copybooks control cards utilities and batch processes.
  • Analyze RIO job flows data dependencies and upstream and downstream interfaces including file-based and mailbox integrations with internal applications and external service providers.
  • Conduct code reviews to address quality standards compliance security reusability performance and ease of maintenance; support Operational Readiness Reviews gating and solution sign-offs.
  • Complete unit integration SIT/PAT and end-to-end testing in accordance with standards and design specifications; investigate defects and provide evidence for release readiness.
  • Troubleshoot production incidents job abends data issues and service interruptions; perform impact and root-cause analysis implement remediation and facilitate stakeholder communication.
  • Participate in change governance implementation and rollback planning peer review production validation incident management problem management and planned on-call support.
  • Contribute to RIO application stewardship activities including application currency vulnerability remediation access controls audit/SOX evidence TARA/TDAR updates data retention disaster recovery and regulatory obligations.
  • Maintain technical documentation runbooks job-flow diagrams interface inventories operational procedures and knowledge-transfer material.
  • Collaborate with developers QEs BSAs product partners architecture operations risk support teams and vendors; identify risks and dependencies early and drive them to closure.
  • Contribute to Core IM and RIO mainframe modernization initiatives while maintaining the stability security and governance of a critical banking application.
  • Advance modern mainframe development using Git GitHub VS Code Code4z/Zowe Endevor Bridge for Git branch and pull-request workflows and hybrid Git/Endevor engineering practices.
  • Help establish and enhance the Endevor-to-Git CI pipeline for RIO including repository onboarding source synchronization Endevor compilation automated quality checks and security scanning using available enterprise capabilities.
  • Use GitHub Copilot responsibly in approved environments to assist with COBOL/JCL code understanding impact analysis documentation code generation and refactoring unit-test design defect analysis and knowledge transfer.
  • Validate all GitHub Copilot-generated or AI-assisted output through developer review approved coding standards testing security controls and established change-management processes.
  • Promote code explainability dependency analysis automated testing modern debugging reusable engineering patterns technical-debt reduction and measurable improvements to the mainframe developer experience.

Job Requirements:

  • Undergraduate Degree Technical Certificate or equivalent combination of education and experience.
  • 6 years of mainframe application design development implementation and production support experience (financial industry preferred).
  • Working experience with mainframe technologies and complex batch-oriented applications.

Must have

  • COBOL JCL VSAM TSO ISPF IMS DC/DB and/or DB2.
  • Source control and deployment experience with Endevor or a comparable mainframe tool such as SCM or Changeman.
  • Job scheduling experience with CA-7 Autosys AWF or a comparable workload automation tool.
  • Experience analyzing batch failures job output datasets interfaces and cross-application impacts.
  • Experience with secure coding code review unit and integration testing change management incident management and production support.
  • Strong communication documentation collaboration and problem-solving skills.

Should have

  • Agile delivery experience.
  • ITSM and collaboration tools: Jira Confluence and ServiceNow.
  • Experience contributing to mainframe modernization automation modern debugging technical-debt reduction or developer-productivity initiatives.

Nice to have

  • Experience with Git GitHub branch and pull-request workflows and CI/CD or DevSecOps practices.
  • Experience with Endevor Bridge for Git Explorer for Endevor VS Code and Code4z/Zowe.
  • Experience using GitHub Copilot for legacy-code analysis documentation code assistance test generation defect analysis or refactoring with appropriate developer validation.
  • Exposure to automated code-quality and security scanning tools such as SonarQube and Veracode.
  • General knowledge of IBM MQ SAS on z/OS ACF2 and secure file-transfer or mailbox integrations.
  • Knowledge of registered investment products or processing
  • Experience with application ownership audit/SOX evidence technology risk data retention resiliency and disaster-recovery activities.
  • Banking industry experience.

Who We Are:

TD is one of the worlds leading global financial institutions and is the fifth largest bank in North America by branches/stores. Every day we strive to make every interaction product and experience remarkably human and refreshingly simple for over 27 million households and businesses in Canada the United States and around the world. More than 95000 TD colleagues bring their skills talent and creativity to foster deeper relationships ensure disciplined execution and build a simpler faster banking experience. TD is deeply committed to being a leader in client experience that is why we believe that all colleagues no matter where they work are client facing. Together we are reimagining what banking can be for our clients colleagues and communities.

Our Total Rewards Package
Our Total Rewards package reflects the investments we make in our colleagues to help them and their families achieve their financial physical and mental well-being goals. Total Rewards at TD includes a base salary variable compensation and several other key plans such as health and well-being benefits savings and retirement programs paid time off banking benefits and discounts career development and reward and recognition programs. Learn more

Additional Information:
Were delighted that youre considering building a career with TD. Through regular development conversations training programs and a competitive benefits plan were committed to providing the support our colleagues need to thrive both at work and at home.

Please be advised that this job opportunity is subject to provincial regulation for employment purposes. It is imperative to acknowledge that each province or territory within the jurisdiction of Canada may have its own set of regulations requirements.


Colleague Development

If youre interested in a specific career path or are looking to build certain skills we want to help you succeed. Youll have regular career development and performance conversations with your manager as well as access to an online learning platform and a variety of mentoring programs to help you unlock future opportunities.

If youre passionate about helping clients and building deep lasting relationships TD offers diverse career paths where you can grow your expertise and make a meaningful impact.

Were committed to your success and foster a respectful workplace where diverse perspectives are valued everyone has fair opportunities to grow and you can unlock your full potential to achieve your career goals. Here at TD we hire and develop the best.

Training & Onboarding
We will provide training and onboarding sessions to ensure that youve got everything you need to succeed in your new role.

Interview Process
Well reach out to candidates of interest to schedule an interview. We do our best to communicate outcomes to all applicants by email or phone call.


Accommodation
Your accessibility is important to us. Please let us know if youd like accommodations (including accessible meeting rooms captioning for virtual interviews etc.) to help us remove barriers so that you can participate throughout the interview process.

We look forward to hearing from you!

Language Requirement (Quebec only):

Sans Objet

Required Experience:

IC


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