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Cobol Developer Jobs in Toronto, ON (NOW HIRING)

Td

Mainframe Developer

Toronto, ON · On-site

CA$81K - CA$115K/yr

Design, develop, enhance, and support COBOL, JCL, IMS DB/DC and/or DB2 components, VSAM files ... Collaborate with developers, QEs, BSAs, product partners, architecture, operations, risk, support ...

New

Td

Software Engineer II (Mainframe)

Toronto, ON · On-site

CA$81K - CA$115K/yr

Strong engineering background delivering enterprise applications, including mainframe solutions ... COBOL, IMS DB/DC, SAS, DB2, CA-7, JCL, SQL, IBM OS/390, Z/OS, TSO, ISPF, QMF, SPUFI, CLIST, VSAM ...

Td

Mainframe Software Engineer II

Toronto, ON · On-site

CA$81K - CA$115K/yr

Must-Have Qualifications Strong engineering background delivering enterprise applications ... COBOL, IMS DB/DC, SAS, DB2, CA-7, JCL, SQL, IBM OS/390, Z/OS, TSO, ISPF, QMF, SPUFI, CLIST, VSAM ...

Td

Associate Software Engineer - Mainframe

Toronto, ON · On-site

CA$59K - CA$84K/yr

Create and maintain quality code, ensure defect free programming consistent with standards; provide ... COBOL, SQL, JCL, SAS). * Expert database skills (ex. DB2, IMS) * 1-3 years experience in ...

Scotiabank

Mainframe Developer

Toronto, ON · On-site

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 ...

United Airlines

Mainframe Developer

Toronto, ON

... in COBOL, JCL, IMS (DB/Online/Batch), DB2, MQSeries, Git/Endevor and Zeke Nice-to-have ... engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data ...

Td

Senior Software Engineer (Mainframe)

Toronto, ON · On-site

CA$81K - CA$115K/yr

Adhere to enterprise engineering frameworks, software development methodologies, release processes ... COBOL, JCL, CICS, DB2, VSAM, and batch processing frameworks. * IMS DB/DC, SAS, CA-7, SQL, IBM OS ...

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 ...

Td

Software Engineer III

Toronto, ON · On-site

CA$125K - CA$154K/yr

Develop and maintain technical solutions, ensuring adherence to engineering and architectural ... COBOL, JCL, IMS DB/DC environment, IMS Databases, DB2, MQ, Endevor, CA7, JCL Tools such as ICEMAN ...

Td

z/OS Connect Systems Programmer

Toronto, ON · On-site

CA$81K - CA$115K/yr

Programming skills, Assembler and Cobol knowledge is an asset * Exposure to Sysplex, z/OS Performance, Db2, CICS, MQ, TCP/IP is an asset * Good written and verbal communication skills * The ...

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Cobol Developer information

What is a Cobol developer?

A COBOL Developer is a software programmer who specializes in using the COBOL (Common Business-Oriented Language) programming language to design, develop, maintain, and troubleshoot business applications. COBOL is a legacy language primarily used in mainframe computing environments, common in industries like banking, insurance, and government. COBOL Developers often work on updating, maintaining, or migrating older systems that are critical to business operations. Their responsibilities may also include analyzing existing code, optimizing performance, and ensuring systems comply with current regulatory and security standards.

What does a Cobol developer do?

COBOL stands for Common Business-Oriented Language. It is a programming language used in business applications. A COBOL developer works on developing applications using this programming language that operate on an organization's mainframe computers. Businesses use COBOL for large tasks, such as transaction and batch processing. As a COBOL developer, your responsibilities include coding new programs using COBOL or assessing and upgrading existing programs and applications to meet business needs and objectives.

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

To thrive as a Cobol Developer, you need strong programming skills in COBOL, a solid understanding of mainframe environments, and experience with legacy systems, often supported by a degree in computer science or related field. Familiarity with tools like IBM z/OS, JCL, DB2, and transaction processing systems is typically required, along with knowledge of version control systems. Analytical thinking, attention to detail, and effective communication help developers troubleshoot issues and collaborate with teams maintaining critical enterprise applications. These skills and qualities are essential to ensure the reliability and modernization of core business systems that depend on COBOL.

What are some of the common challenges Cobol developers face when working with legacy systems?

Cobol Developers often encounter challenges related to maintaining and upgrading legacy systems, such as limited documentation, outdated hardware, and code that was written decades ago by other programmers. Integrating Cobol-based applications with modern technologies and platforms can also require creative problem-solving and strong analytical skills. Collaboration with business analysts and IT teams is essential to accurately translate current business needs into the existing codebase while ensuring system stability and data integrity.

What is the difference between Cobol Developer vs Mainframe Developer?

AspectCobol DeveloperMainframe Developer
Required CredentialsProficiency in COBOL, JCL, DB2Proficiency in COBOL, JCL, DB2, and mainframe tools
Work EnvironmentLegacy systems, mainframe environmentsMainframe systems, enterprise IT infrastructure
Employer & Industry UsageFinancial, insurance, government sectorsFinancial institutions, government agencies, large enterprises
Common Search & ComparisonOften compared for mainframe roles involving COBOLBroader role including system administration and maintenance

While both roles involve working with mainframe systems and COBOL, a Cobol Developer primarily focuses on coding and maintaining COBOL applications. A Mainframe Developer may handle a wider range of tasks, including system setup, maintenance, and integration within mainframe environments. The roles often overlap, but Cobol Developers are more specialized in application development.

Is there a demand for Cobol developers?

Cobol developers are still in demand for maintaining and updating legacy systems in industries such as banking, finance, and government. Many organizations require expertise in Cobol for critical mainframe applications, and experienced developers with knowledge of mainframe environments and tools are sought after. However, the overall demand is stable but limited compared to newer programming languages.
More about Cobol Developer jobs

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The most popular types of Cobol Developer jobs in Toronto, ON are:

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For Cobol Developer jobs in Toronto, ON, the most frequently searched job titles are:

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Cobol Developer jobs near you
Infographic showing various Cobol Developer job openings in Toronto, ON as of August 2026, with employment types broken down into 86% Full Time, 4% Part Time, and 10% Contract. Highlights an 80% Physical, 7% Hybrid, and 13% Remote job distribution.

Senior Mainframe Developer - Application Design - Hybrid

Tech Talent International

Toronto, ON • Hybrid

CA$50/hr

Full-time

Re-posted 3 days ago

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.