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Mainframe Developer Jobs in Ontario (NOW HIRING)

WilsonCTS

Mainframe Developer

Toronto, ON · Hybrid

CA$41 - CA$53/hr

Mainframe Developer Location: Toronto, ON Work Type: Hybrid Job Type: 6-month contract Pay Rate: $41-$53 per hour Job Overview Our client is seeking an experienced Mainframe Developer with strong ...

Pacer Group

Mainframe Developer

Kitchener, ON

Mainframe Developer Location: Kitchener, ON Work Arrangement: 100% Onsite Employment Type: Contract Duration: 06-12 Months Domain: BFSI Pay Rate: CAD 50-52/hour Incorporated Application Deadline: May ...

CIBC

Mainframe Developer

Toronto, ON · Hybrid

To learn more about CIBC, please visit CIBC.com What you'll be doing As a member of CIBC's Shared Platform Technology Team, the Mainframe Developer will help lead the technical design, development ...

Scotiabank

Mainframe Developer

Toronto, ON

... mainframe development complex programs using Cobol, JCL, IMS DB, DB2, VSAM, CA7, SAS, Netron. Experience working in an agile environment / methodology / deployment (e.g. GIT, DevOps pipeline, JIRA ...

United Airlines

Mainframe Developer

Toronto, ON

Mississauga, ON Associate should be a strong in Mainframe development Associate should have ... engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data ...

LearnQuest

Mainframe DevOps Expert (Remote)

Toronto, ON · Remote

We are seeking a highly skilled Mainframe DevOps Expert to join our team for an exciting short-term project. Key Responsibilities: As a Curriculum Development Specialist, your primary responsibility ...

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How much do mainframe developer jobs pay per hour?

As of Jun 9, 2026, the average hourly pay for mainframe developer in Ontario is $50.63, according to ZipRecruiter salary data. Most workers in this role earn between $42.79 and $56.97 per hour, depending on experience, location, and employer.

What is the difference between Mainframe Developer vs Mainframe Analyst?

AspectMainframe DeveloperMainframe Analyst
Primary RoleDesigning, coding, and testing mainframe applicationsAnalyzing and maintaining existing mainframe systems
Skills & CertificationsCOBOL, JCL, DB2, certifications like IBM Certified DeveloperCOBOL, JCL, system analysis, troubleshooting skills
Work EnvironmentDevelopment teams, coding in mainframe environmentsSupport teams, system analysis, user support
Industry UsageFinancial services, insurance, government agenciesFinancial institutions, healthcare, government agencies

While Mainframe Developers focus on creating and implementing mainframe applications, Mainframe Analysts primarily analyze, troubleshoot, and maintain existing systems. Both roles require similar technical skills and often work within the same industries, but their core responsibilities differ in development versus support and analysis.

What are some common challenges Mainframe Developers face when integrating legacy systems with modern applications?

Mainframe Developers often encounter challenges such as ensuring compatibility between legacy systems and newer technologies, managing data migration without disrupting business operations, and maintaining the security of sensitive data. Effective communication with cross-functional teams, such as application developers and infrastructure engineers, is essential to address these challenges. Staying updated on both mainframe and modern programming practices helps ease integration and ensures long-term system reliability.

What are Mainframe Developers?

Mainframe Developers are specialized software engineers who design, develop, maintain, and troubleshoot applications on mainframe computer systems, such as IBM's z/OS. They typically work with languages like COBOL, JCL, and CICS, and are responsible for ensuring the performance, security, and reliability of mission-critical business applications. Mainframe Developers are commonly employed in industries like banking, insurance, and government, where large-scale, high-volume transaction processing is essential.

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

To thrive as a Mainframe Developer, you need expertise in programming languages such as COBOL, JCL, and SQL, along with a strong understanding of mainframe operating systems and batch processing concepts. Familiarity with tools like IBM z/OS, DB2, CICS, and version control systems is typically required, and certifications from IBM or related organizations can be beneficial. Strong problem-solving abilities, attention to detail, and effective communication skills help Mainframe Developers excel in troubleshooting and collaborating with cross-functional teams. These skills are crucial for maintaining, optimizing, and modernizing legacy systems that are vital to many large organizations’ operations.
What are the most commonly searched types of Mainframe Developer jobs in Ontario? The most popular types of Mainframe Developer jobs in Ontario are:
What are popular job titles related to Mainframe Developer jobs in Ontario? For Mainframe Developer jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Mainframe Developer jobs in Ontario look for? The top searched job categories for Mainframe Developer jobs in Ontario are:
What cities in Ontario are hiring for Mainframe Developer jobs? Cities in Ontario with the most Mainframe Developer job openings:
What are popular job titles related to Mainframe Developer jobs in ON? For Mainframe Developer jobs in ON, the most frequently searched job titles are:
Mainframe Developer jobs near you

Mainframe Developer

WilsonCTS

Toronto, ON • Hybrid

CA$41 - CA$53/hr

Other

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Role: Mainframe Developer
Location: Toronto, ON
Work Type: Hybrid
Job Type: 6-month contract
Pay Rate: $41-$53 per hour


Job Overview
Our client is seeking an experienced Mainframe Developer with strong application development expertise in DB2 and a broad range of mainframe technologies. The ideal candidate will have 8 or more years of hands-on experience developing, maintaining, and supporting enterprise-level mainframe applications.

Key Responsibilities
Design, develop, enhance, and maintain mainframe applications across batch and online (IMS Transaction) environments.
Work extensively with COBOL, JCL, DB2, TSO/ISPF, IMS DC/DB, and/or VSAM.
Develop and optimize SQL queries, stored procedures, and DB2-related components.
Utilize job scheduling tools and source control systems to manage the development lifecycle.
Support file transfer integrations using EBX and TIBCO services for vendor-to-host and host-to-vendor file exchange.
Perform data processing using DFSORT and ICETOOL utilities.
Collaborate with cross-functional teams to troubleshoot, analyze, and resolve production and application issues.
Ensure all code adheres to internal quality, security, and compliance standards.

Must-Have Skills & Experience
8+ years of solid mainframe application development experience.
Strong hands-on experience with COBOL, JCL, DB2, TSO/ISPF, IMS DC/DB, and/or VSAM.
Proficient with at least one source control tool such as Endevor, SCM, or Changeman.
Experience with job scheduling tools such as CA-7, Autosys, or AWF.
Strong understanding of DFSORT and ICETOOL utilities.
Experience with Online (IMS Transaction) and Batch programming environments.
Experience with EBX and TIBCO file transfer services for receiving and transferring files between vendors and host systems.

Nice-to-Have
Experience working in large enterprise or financial services environments.
Strong problem-solving and analytical skills.
Ability to work independently and collaborate effectively in a team environment.

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