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Cobol Mainframe Developer Jobs in Toronto, ON (NOW HIRING)

Scotiabank

Mainframe Developer

Toronto, ON

Comprehensive experience in mainframe development complex programs using Cobol, JCL, IMS DB, DB2 ... GIT, DevOps pipeline, JIRA, Confluence) Experience with Security and environment control systems ...

Td

Quality Engineer I - Mainframe

Toronto, ON · Remote

CA$69K - CA$98K/yr

Mainframe testing (COBOL, DB2, IMS, CICS screens is a must) and API is good to have. * As a Test engineer for small complexity initiatives, accountable for implementing effective test strategies and ...

Royal Bank of Canada

Full Stack Developer

Toronto, ON · On-site

Exposure to Mainframe technologies (COBOL, JCL, CICS, or DB2 on z/OS), or a strong willingness to ... Programming Language), Programming Languages, Software Applications, Software Development Life ...

Scotiabank

Senior Solution Architect

Toronto, ON

... COBOL, mainframe, transactional systems) and modern technologies (microservices, REST APIs, cloud ... engineers, QE and other relevant stakeholders with ownership mindset driving delivery forward ...

Td

Software Engineer III

Toronto, ON

CA$125K - CA$154K/yr

Develop and maintain technical solutions, ensuring adherence to engineering and architectural ... Mainframe experience: * COBOL, JCL, IMS DB/DC environment, IMS Databases, DB2, MQ, Endevor, CA7 ...

Td

Software Engineer I

Toronto, ON · On-site

CA$69K - CA$98K/yr

TD's Core Platform Party1 Product Group is seeking a talented Software Engineer I to support ... Technical Skills * 2-3 Years of experience with Mainframe technology including Cobol, IMS, DB2, zOS ...

All JobsCobol Mainframe Developer JobsCobol Mainframe Developer Jobs in Toronto, ON

Cobol Mainframe Developer information

See Toronto, ON salary details

$19

$42

$64

How much do cobol mainframe developer jobs pay per hour?

As of Aug 4, 2026, the average hourly pay for cobol mainframe developer in Toronto, ON is $42.71, according to ZipRecruiter salary data. Most workers in this role earn between $34.41 and $49.78 per hour, depending on experience, location, and employer.

What does a COBOL mainframe developer do?

As a COBOL mainframe developer, your primary responsibilities include designing new computer programs using the COBOL programming language. Your duties are to design, develop, and configure code for new programs, test these programs to make sure they function on the intended operating system, and implement adjustments needed. Once that process is complete, you launch the program for public or private use and provide support and upgrades to the user. You should have extensive knowledge and experience working with software development, and if you are working in IT for a company, you should be able to troubleshoot their current mainframe. Teaching others about what you have developed and making sure they understand how to use it are also your responsibility.

What does a COBOL mainframe developer do?

A COBOL Mainframe Developer is responsible for designing, developing, testing, and maintaining applications that run on mainframe computers using the COBOL programming language. These developers often work with legacy systems in industries like banking, insurance, and government, ensuring that critical business processes continue to function smoothly. Their tasks may include writing new code, updating existing programs, debugging, and integrating mainframe applications with modern technologies. COBOL Mainframe Developers also collaborate with business analysts and other IT professionals to meet organizational needs and regulatory requirements.

What are the key skills and qualifications needed to thrive as a COBOL mainframe developer, and why are they important?

To thrive as a COBOL Mainframe Developer, you need strong proficiency in COBOL programming, mainframe systems (such as IBM z/OS), and a background in computer science or a related field. Familiarity with tools like JCL, DB2, CICS, and source control systems, along with relevant certifications, is highly beneficial. Attention to detail, problem-solving abilities, and effective communication are crucial soft skills for diagnosing issues and collaborating with cross-functional teams. These competencies ensure reliability, accuracy, and efficiency in maintaining and modernizing critical legacy systems.

What are some typical challenges faced by COBOL mainframe developers when maintaining legacy systems?

Cobol Mainframe Developers often encounter challenges with outdated documentation, making it difficult to understand and modify legacy code. Integrating new technologies or adapting legacy systems to modern infrastructure can also be complex, requiring careful planning and testing. Additionally, communicating with business users to gather requirements and ensure system changes meet current needs is essential, as is collaborating with other IT professionals to manage dependencies and minimize downtime. Staying proactive about learning modernization tools and approaches can help address these challenges.
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Cobol Mainframe Developer jobs near you
Infographic showing various Cobol Mainframe Developer job openings in Toronto, ON as of July 2026, with employment types broken down into 3% Internship, 1% As Needed, 78% Full Time, 3% Part Time, 12% Contract, and 3% Nights. Highlights an 79% Physical, 5% Hybrid, and 16% Remote job distribution, with an average salary of $88,830 per year, or $42.7 per hour.

Senior Mainframe Developer - Application Design - Hybrid

Tech Talent International

Toronto, ON • Hybrid

CA$50/hr

Full-time

Posted 3 days ago

New

Job description

Tech Talent International (TTI) supplies technical talent to a variety of clients ranging from Fortune 100/500/1000 companies to startups, small and mid-sized organizations in Canada/US. We are currently hiring a Senior Mainframe Developer - Application Design - Hybrid for our consulting client in the Toronto area.

Role: Senior Mainframe Developer - Application Design - Hybrid

Type: Contract

Rate Range: $50/hr C2C (40 hrs /week)

Duration: 8 months + potential extensions

Location: Hybrid (2 onsite/3 days from home) downtown Toronto, ON, Canada

Mainframe Senior Developer
Skills Required: 

Mainframe DB2 

Application Development~System I 

COBOL400~IT IS_AMS_Mainframe_DB2 Administration
Experience Required: 6-8 Years
Qualifications :
Experience in Mainframe lead Developer
Should have coding experience in CICS,COBOL, DB2, JCL.
Experience with application design, development and deployment
Skills and Responsibilities:
Design, develop and maintain Mainframe COBOL & JCL to meet support and/or project requirements.
Interface with business and IT teams to understand business requirements and translate business requirements into formal technical requirements and application code.
Develop and execute unit test and integration plans/scripts to validate that application changes meet technical specifications.
Responsible for full System Development Life Cycle Participate in production support Provide Solution Delivery Methodology artifacts associated with application components.
Participate in technical reviews at appropriate stages of development.