Mainframes Developer Jobs in Mississauga, ON (NOW HIRING)

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Pay Details:

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 candidate's 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:

We are seeking a SR Mainframe Developer / Solution Designer to support the design, development, modernization, and operational stability of Wealth / Investment Management applications. The role requires end-to-end ownership across application development, integration, production support, and technical solution delivery within a complex enterprise environment.

Solution Design & Delivery

• Design end-to-end solutions across application, data, and integration layers.
• Produce high-quality design artifacts including HLDs, LLDs, and technical specifications.
• Ensure alignment with enterprise architecture, security, and data standards.
• Define data models, schema designs, and integration patterns.
• Translate business and operational requirements into scalable technical solutions.
• Collaborate with stakeholders to gather, clarify, and refine requirements.
• Review and validate solution designs for completeness, scalability, and feasibility.
• Provide accurate effort estimates, timelines, and delivery planning.
• Break down requirements into prioritized sprint-aligned work items.
• Identify risks, dependencies, and mitigation strategies early in the delivery lifecycle.

Development & Support

• Develop, enhance, test, and support mainframe applications and batch processing solutions.
• Support production incidents, perform root-cause analysis, and drive issue resolution.
• Ensure development activities follow enterprise standards, governance, and SDLC processes.
• Support deployment, release validation, and operational readiness activities.
• Contribute to modernization and resiliency initiatives across the platform.

Leadership & Collaboration

• Mentor and guide junior developers through code reviews, technical direction, and knowledge sharing.
• Promote development best practices across coding, design, testing, and documentation.
• Strengthen overall team capability, collaboration, and delivery quality.
• Participate in technical discussions and provide recommendations for continuous improvement.

Technical Application Ownership (TAO)

• Act as the TAO or TAO delegate accountable for application health, stability, compliance, and lifecycle management.
• Ensure compliance with security, audit, risk, and regulatory requirements.
• Coordinate with L2/L3 support teams, infrastructure teams, and stakeholders during incident management activities.
• Drive operational excellence through monitoring, alerting, resiliency improvements, and proactive issue management.

Required Skills & Experience

• Strong experience in mainframe application development and support.
• Expertise with technologies such as:
• COBOL
• JCL
• IMS DB/DC
• IMS Databases
• DB2
• TSO
• Endevor
• SAS
• CA7
• Netron
• Experience supporting both online and batch processing applications.
• Strong understanding of SDLC, Agile delivery, deployment, and production support processes.
• Strong analytical, troubleshooting, and problem-solving skills.
• Excellent communication, stakeholder management, and collaboration skills.

Nice to Have

• Experience with APIs and distributed technologies.
• Wealth / Investment Management domain knowledge.

Experience

• 8+ years of experience for Senior Developer / Lead-level responsibilities

Who We Are:

TD is one of the world's 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 95,000 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:
We're delighted that you're considering building a career with TD. Through regular development conversations, training programs, and a competitive benefits plan, we're 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 you're interested in a specific career path or are looking to build certain skills, we want to help you succeed. You'll 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 you're 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.

We're 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 you've got everything you need to succeed in your new role.

Interview Process
We'll 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 you'd 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):