Mainframe Developer Jobs in Toronto, ON (NOW HIRING)

WHAT IS THE OPPORTUNITY?

Join a high-performing team transforming RBC's Merchant Payment System. You will work closely with SMEs, business stakeholders, architects, and senior developers to build and deploy scalable, secure solutions powering next-generation merchant payment capabilities. This role spans both modern full-stack development and Mainframe-based payment processing, offering a unique opportunity to bridge legacy and cloud-native architectures. Expect rapid growth through hands-on modernization work, emerging AI technologies, and strong mentorship every step of the way.

WHAT WILL YOU DO?

• Participate in technical analysis and solution design under senior guidance, contributing to sprint planning, estimation, and Agile delivery

• Translate business requirements into user stories and technical designs with mentorship from architects and senior developers

• Develop and maintain enterprise-grade Spring Boot microservices, React front-end applications, and RESTful APIs

• Build and support cloud-native, containerized, and Linux-based microservice solutions

• Deliver solutions using Agile methodologies through CI/CD pipelines with full deployment support

• Conduct peer code reviews, unit and integration testing, and participate in all phases of software development

• Learn and adopt best practices, security standards, and performance benchmarks for financial-grade systems

• Support Merchant Payment teams by applying and growing foundational knowledge in Generative AI and LLMs

• Work on Mainframe-based payment processing systems under senior guidance, learning core Mainframe technologies while bridging legacy and modern architectures.

WHAT DO YOU NEED TO SUCCEED?

Must have:

• 3-4 years of hands-on experience (or strong internship/co-op) in Java / Spring Boot and React or similar front-end frameworks

• Proficiency in Node.js or Python, and SQL with familiarity in relational databases

• Experience building and consuming RESTful APIs with multi-system integration

• Exposure to CI/CD pipelines, automated testing concepts, and Agile delivery practices

• Basic knowledge of cloud platforms (OpenShift, AWS S3, or Azure) and comfort working in Linux-based environments

• Basic understanding of Large Language Models (LLMs) and Generative AI concepts with eagerness to apply them

• Fast learner who is results-oriented, self-motivated, and effective working both independently and in a team

Nice-to-have:

• Exposure to containerization technologies (Docker, Kubernetes)

• Hands-on experience with OpenShift, AWS S3, or Azure beyond the basics

• Familiarity with Identity/Access Management (Entra) or NoSQL/legacy databases (MongoDB, DB2)

• Prior exposure to FastAPI or similar frameworks and interest in applying AI/ML tools in enterprise development

• Exposure to Mainframe technologies (COBOL, JCL, CICS, or DB2 on z/OS), or a strong willingness to learn and work on Mainframe-based payment systems

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

• Flexible work/life balance options

• Opportunities to do challenging work

• Opportunities to take on progressively greater accountabilities

• Opportunities to build close relationships with clients

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Additional Job Details

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

Our Employment Opportunities

At RBC, we are guided by living shared values of Client First, Integrity, Collaboration, Respect and Excellence and winning together as One 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.

RBC is presently inviting candidates to apply for this existing vacancy. Applying to this posting allows you to express your interest in this current career opportunity at RBC. Qualified applicants may be contacted to review their resume in more detail.