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Mainframes Developer Jobs in Toronto, ON (NOW HIRING)

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 ...

Mainframe Developer - 4 DAYS ONSITE IS MANDATE Location: Toronto, ON Duration: 6 months Industry: BFSI What will you do? • Assisting in translating business needs into technical requirements.

Mainframe Developer

Toronto, ON · On-site

CA$45 - CA$55/hr

This role is ideal for an intermediate-level engineer/analyst with strong payments/network knowledge and hands-on mainframe (Assembler) development experience. The focus is on understanding and ...

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 ...

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 ...

... 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 ...

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 ...

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 ...

As a Mainframe Application Developer , you'll develop understanding of Mainframe Technology and tools, support, maintain and analyze Online and Batch Systems, investigate assess Business queries and ...

New

May also be accountable for complex programming / coding. * Requires IBM Mainframe applications systems knowledge and business knowledge. Ability to support a range of initiatives varying in size ...

You hold a Bachelor's or Master's degree in Computer Science, Architecture, Engineering, Information Technology, or a related field, and have expertise in mainframe platforms, cloud technologies, and ...

Mainframe z/OS Systems Programmer

Toronto, ON · Hybrid

CA$75.90K - CA$141.90K/yr

Technology As a Mainframe z/OS Systems Programmer, you will be responsible for developing and implementing IT mainframe infrastructure and platform strategies. Your role will involve ensuring the ...

Lead the design and development of key features for the Helios CI/CD pipeline - VM and Mainframe platforms * Consult with partner systems to develop integration strategies revolving around DevOps ...

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Lead the design and development of key features for the Helios CI/CD pipeline VM and Mainframe platforms * Consult with partner systems to develop integration strategies revolving around DevOps best ...

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Mainframes Developer information

What is the difference between Mainframes Developer vs Mainframes Analyst?

AspectMainframes DeveloperMainframes Analyst
Required CredentialsTypically a degree in Computer Science or related field; certifications like IBM Certified SpecialistSimilar credentials; often holds certifications in mainframe systems and analysis
Work EnvironmentDevelops, codes, and tests mainframe applications in a software development settingAnalyzes existing mainframe systems, gathers requirements, and supports system improvements
Employer & Industry UsageUsed by banks, insurance companies, and large enterprises for application developmentEmployed in similar industries for system analysis, troubleshooting, and process optimization

While both roles require knowledge of mainframe systems and similar credentials, Mainframes Developers focus on creating and maintaining mainframe applications, whereas Mainframes Analysts analyze existing systems to improve performance and efficiency. Both roles are vital in large enterprise IT environments.

What job categories do people searching Mainframes Developer jobs in Toronto, ON look for? The top searched job categories for Mainframes Developer jobs in Toronto, ON are:
What cities near Toronto, ON are hiring for Mainframes Developer jobs? Cities near Toronto, ON with the most Mainframes Developer job openings:
Infographic showing various Mainframes Developer job openings in Toronto, ON as of May 2026, with employment types broken down into 35% Full Time, and 65% Contract. Highlights an 90% In-person, and 10% Hybrid job distribution.

Mainframe Developer

WilsonCTS

Toronto, ON • Hybrid

CA$41 - CA$53/hr

Other

Posted 20 days ago


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.