Senior Mainframe Developer

RBC; Toronto; On-site; CAD 90,000 - 120,000; Full time

Job summary

A leading financial institution in Toronto is seeking an experienced Senior Mainframe Developer to design, develop, and maintain critical mainframe applications for enterprise payment systems. The ideal candidate will have 7+ years of relevant experience and strong capabilities in COBOL, C, and C++. This position involves mentoring junior team members and contributing to legacy system modernization initiatives.

Benefits

Comprehensive Total Rewards Program

Career development opportunities

Dynamic and collaborative team environment

Qualifications

• 7+ years of hands-on mainframe development experience.
• Strong experience with mainframe batch processing and job scheduling.
• Proficiency in version control using GitHub.

Responsibilities

• Design, develop, and maintain mainframe applications for payment processing.
• Integrate APIs and other system components into the payments workflow.
• Oversee system maintenance, troubleshooting, and upgrades.

Skills

COBOL

C

C++

IMS

DB2

CICS

AI/LLM knowledge

Education

Bachelor's degree in computer science or a related field

Tools

Jira

ServiceNow

GitHub

Elastic Stack

IBM Connect: Direct

MFT systems

Job description

Job Description

We are seeking an experienced Senior Mainframe Developer to join our team in Toronto. This role is responsible for designing, developing, and maintaining mission-critical mainframe applications that support our enterprise payments workflow. The ideal candidate will have deep expertise in COBOL, C, C++, IMS, DB2, CICS, and related mainframe technologies, as well as proven leadership capabilities. Knowledge of Artificial Intelligence (AI) and Large Language Models (LLMs) for legacy system modernization is considered an asset.

What is the opportunity?

We are seeking an experienced Senior Mainframe Developer to join our team in Toronto. This role is responsible for designing, developing, and maintaining mission-critical mainframe applications that support our enterprise payments workflow. The ideal candidate will have deep expertise in COBOL, C, C++, IMS, DB2, CICS, and related mainframe technologies, as well as proven leadership capabilities. Knowledge of Artificial Intelligence (AI) and Large Language Models (LLMs) for legacy system modernization is considered an asset.

What will you do?

• Design, develop, and maintain mainframe applications for enterprise payment processing; support and optimize batch processes and job scheduling.
• Integrate APIs and other system components into the payments workflow; work with secure file transfer solutions such as IBM Connect: Direct and MFT systems.
• Oversee mainframe system maintenance, troubleshooting, and upgrades; utilize ServiceNow, Jira, SharePoint, and GitHub for incident tracking, project collaboration, and version control.
• Ensure compliance with payment standards and support multiple payment types (ACH, wire, SWIFT, etc.); collaborate with cross-functional teams to deliver robust payment solutions.
• Mentor and guide junior team members; document processes, programs, and integration points; monitor system performance and implement improvements.
• Contribute to legacy system modernization initiatives, leveraging AI and LLMs where applicable.

Technologies and Tools:

• Mainframe: COBOL, C, C++, JCL, IMS, DB2, CICS, batch processing, file transfers
• APIs (REST, SOAP)
• IBM Connect: Direct, Managed File Transfer (MFT) systems
• ServiceNow, Jira, SharePoint, GitHub
• Elastic Stack (Elasticsearch, Logstash, Kibana)
• AI/LLM platforms (OpenAI, Azure AI, etc.)

What do you need to succeed?

Must-have:

• 7+ years of hands‑on mainframe development experience, with expertise in COBOL, C, C++, IMS, DB2, and CICS.
• Bachelor’s degree in computer science or a related field.
• Strong experience with mainframe batch processing, job scheduling, and file transfers.
• Experience with IBM Connect: Direct and MFT systems; API integration and general software development.
• Proficiency in version control using GitHub; familiarity with Java, Python, and scripting languages.
• Familiarity with ServiceNow, Jira, and workflow management tools; knowledge of AI and LLMs for legacy system modernization (asset).
• Familiarity with EDI standards (X12, EDIFACT, etc.) is an asset, but not required.
• Proven leadership and team collaboration skills; excellent problem‑solving, communication, and organizational abilities.
• Ability to work onsite in Toronto office 4 days per week.

Nice-to-have:

• Experience with DevOps tools/practices and CI/CD pipelines.
• Experience with cloud platforms (AWS, Azure, GCP)
• Understanding of security and compliance in financial environments.
• Experience with Elastic Stack and payment system integration/automation.

What’s in it for you?

We thrive on the challenge to be our best, progressive thinking to keep growing, and working together to deliver trusted advice to help our clients thrive and communities prosper. We care about each other, reaching our potential, making a difference to our communities, and achieving success that is mutual.

• A comprehensive Total Rewards Program including bonuses and flexible benefits, competitive compensation, commissions, and stock where applicable.
• Leaders who support your development through coaching and managing opportunities.
• Ability to make a difference and lasting impact.
• Work in a dynamic, collaborative, progressive, and high‑performing team.
• A world‑class training program in financial services.

Job Skills

• Agile Methodology
• Group Problem Solving
• IT Systems Integration
• Organizational Leadership
• Product Services
• Software Development Life Cycle (SDLC)
• System Applications
• System Integration Testing (SIT)
• Systems Software

Additional Job Details

• Address: 180 WELLINGTON ST W:TORONTO
• City: Toronto
• Country: Canada
• Work hours/week: 37.5
• Employment Type: Full time
• Platform: TECHNOLOGY AND OPERATIONS
• Job Type: Regular
• Pay Type: Salaried
• Posted Date: 2025-08-20
• Application Deadline: 2025-11-30

Note

Applications will be accepted until 11:59 PM on the day prior to the application deadline date above.

Inclusion and Equal Opportunity Employment

At RBC, we believe an inclusive workplace that has diverse perspectives is core to our continued growth as one of the largest and most successful banks in the world. Maintaining a workplace where our employees feel supported to perform at their best, effectively collaborate, drive innovation, and grow professionally helps to bring our Purpose to life and create value for our clients and communities. RBC strives to deliver this through policies and programs intended to foster a workplace based on respect, belonging and opportunity for all.

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