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Full Time Java Mainframe Developer Jobs in Toronto, ON

Miratech retains nearly 1000 full-time professionals, and our annual growth rate exceeds 25%. We are looking for a Java IVR Application Developer to join our voice/contact center engineering team and ...

Java Full-stack Developer

Mississauga, ON ยท On-site

CA$86K - CA$127K/yr

Capgemini offers a comprehensive, non-negotiable benefits package to all regular, full-time ... engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data ...

Capgemini offers a comprehensive, non-negotiable benefits package to all regular, full-time ... engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data ...

Miratech retains nearly 1000 full-time professionals, and our annual growth rate exceeds 25%. We are looking for a Java IVR Application Developer to join our voice/contact center engineering team and ...

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Full Time Java Mainframe Developer information

What are the key skills and qualifications needed to thrive as a Full Time Java Mainframe Developer, and why are they important?

To thrive as a Full Time Java Mainframe Developer, you need proficiency in Java programming, mainframe technologies like COBOL or JCL, and a relevant degree in computer science or a related field. Familiarity with mainframe development tools (e.g., IBM z/OS, TSO/ISPF), version control systems, and sometimes certifications such as IBM Certified System Programmer are typically required. Strong problem-solving, communication, and teamwork skills help developers translate business needs into robust mainframe solutions and collaborate across diverse IT teams. These capabilities ensure the reliable modernization, maintenance, and integration of enterprise-level legacy systems with new Java applications.

What are some common challenges faced by Full Time Java Mainframe Developers when integrating modern Java applications with legacy mainframe systems?

A common challenge for Full Time Java Mainframe Developers is ensuring seamless communication between modern Java-based applications and existing mainframe systems, which often use older technologies and data formats. Developers need to address issues such as data mapping, protocol compatibility, and performance optimization to maintain reliable and efficient integration. Additionally, understanding both Java and mainframe environments is crucial, as troubleshooting can require knowledge of mainframe batch jobs, COBOL code, or CICS transactions alongside Java frameworks. Collaborative work with mainframe specialists and clear documentation are essential for overcoming these challenges.

What is the difference between Full Time Java Mainframe Developer vs Mainframe Developer?

AspectFull Time Java Mainframe DeveloperMainframe Developer
Required SkillsJava, Mainframe (COBOL, JCL), DB2, CICSCOBOL, JCL, DB2, CICS
Work EnvironmentBanking, Finance, Insurance sectors with Java and Mainframe integrationLegacy systems in banking, government, insurance
CertificationsJava certifications, Mainframe certifications (e.g., IBM Certified)Mainframe certifications (e.g., IBM Certified)

Full Time Java Mainframe Developers combine Java programming with traditional Mainframe skills, working on integrated systems in finance and banking. Mainframe Developers focus primarily on legacy systems using COBOL and JCL. The former often requires Java certifications, while the latter emphasizes Mainframe-specific credentials. Both roles are vital in industries maintaining legacy systems but differ in technical focus and skill set.

What is a Full Time Java Mainframe Developer?

A Full Time Java Mainframe Developer is a professional who specializes in developing, maintaining, and enhancing applications that run on mainframe systems using the Java programming language. These developers often integrate modern Java-based applications with legacy mainframe systems, ensuring seamless data flow and system compatibility. Their responsibilities may include coding, debugging, testing, and optimizing applications for performance on mainframe platforms, as well as collaborating with other IT professionals to support business operations. This role typically requires knowledge of both Java and mainframe technologies like COBOL, JCL, and CICS.
What are the most commonly searched types of Java Mainframe Developer jobs in Toronto, ON? The most popular types of Java Mainframe Developer jobs in Toronto, ON are:
What are popular job titles related to Full Time Java Mainframe Developer jobs in Toronto, ON? For Full Time Java Mainframe Developer jobs in Toronto, ON, the most frequently searched job titles are:
What job categories do people searching Full Time Java Mainframe Developer jobs in Toronto, ON look for? The top searched job categories for Full Time Java Mainframe Developer jobs in Toronto, ON are:
Senior Mainframe Software Developer

Senior Mainframe Software Developer

Royal Bank of Canada

Toronto, ON โ€ข On-site

Full-time

Posted 7 days ago


Job description

Job Description

What is the opportunity?

The Senior Mainframe Software Developer is an exciting & challenging opportunity for a Software engineer to make an impact and develop leadership skills. You will design, develop and build complex technology solutions that drive operational excellence and transformational improvements to stability, performance and resilience of Retail Investments Technology platform.

You will also explore and innovate on latest AI technologies that RBC has to offer in solving real world problems. You will take on challenges to build and implement GenAI based solutions that drive software development efficiencies, automation of manual operational processes and reduction of production issue resolution time improving client experience.

You will also partner with cross-functional teams across engineering and business stakeholders to deliver high-impact features and enhancements, turning requirements into business and client value.

What will you do?

  • Design, develop and implement innovative solution for Retail Investments Core Systems in the platform Resilience and Maintenance spaces.

  • Partner with business and SRE partners to resolve critical production issues, ensuring best-in-class system availability and client experience.

  • Build Gen-AI based solutions that drive software development efficiencies including technology currency upgrades and strengthening of application resilience.

  • Identify, develop, and implement AI-driven automation solutions to replace manual workflows and streamline Core Banking operational processes.

  • Play a key role in the delivery of technology roadmap, spearheading enhanced engineering standards, automation, software delivery practices, and quality gates to ensure consistent, reliable, and high-quality software releases.

  • Collaborate with fellow developers to adopt Shift-Left principle on maintenance and operations requirements ensuring all software design, architecture, and code prioritize long-term maintainability, operational stability, and observability.

What do you need to succeed?

  • Mainframe Expertise: Proficiency in COBOL, JCL, DFSORT, IMS, CICS, DB2, and TSO/ISPF.
  • Generative AI Mastery: Hands-on experience with AI design principles, platforms, and tools (e.g., Agentic AI, RAG, Vector DB, VS Code Co-Pilot, Cursor, Windsurf).
  • AI Solution Implementation: Proven track record of deploying AI solutions to address domain-specific business challenges.
  • Technical & Leadership Skills: Strong interpersonal skills, ownership, and leadership in cross-functional teams, with 10 years of IT development experience.
  • Modern Development Practices: Agile project delivery, DevOps automation (UrbanCodeDeploy, GitHub, Jenkins, Ansible), and thought leadership in driving business value.

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
  • 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
  • Access to a variety of job opportunities across business and geographies

#LI-POST
#TechPJ

Job Skills

Agile Framework, Agile Framework, AI Adoption, AI Agents, AI Frameworks, AI Platforms, AI Prompting, Artificial Intelligence (AI), ChatGPT, COBOL (Programming Language), Cobol Mainframe, DB2 SQL, DFSORT, Generative AI, GitHub Copilot, IBM Db2, IBM DB2 Database, IBM DB2 SQL, IBM MainFrame COBOL, IBM Mainframes, Job Control Language (JCL), Mainframe Applications, Mainframe Development, Mainframe Programming, Mainframe Software {+ 3 more}

Additional Job Details

Address:

RBC WATERPARK PLACE, 88 QUEENS QUAY 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:

2026-04-21

Application Deadline:

2026-06-30

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.

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Expand your limits and create a new future together at RBC. Find out how we use our passion and drive to enhance the well-being of our clients and communities at jobs.rbc.com.

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.

Employment Type: FULL_TIME