322,344+ Software Developer Java Mainframe Jobs in Canada — Top Companies Hiring June 2026

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Senior Mainframe Developer COBOL & Informatica Insurance

A leading IT company in York Region is seeking a skilled Mainframe Developer with expertise in COBOL and Informatica to develop and maintain applications within the insurance sector. The ideal candidate will have over 5 years of experience, strong analytical skills, and the ability to work collaboratively in a t ...

Senior Mainframe Backend Developer (IMS/DB2)

A leading technology solutions provider in Ontario is seeking a Senior Software Developer with expertise in mainframe technologies. The role requires extensive programming experience, specifically with PL/I and DB2, and offers the opportunity to work on complex system designs. The ideal candidate will have a str ...

Senior Mainframe Developer COBOL & Informatica Insurance

A leading IT company in York Region is seeking a skilled Mainframe Developer with expertise in COBOL and Informatica to develop and maintain applications within the insurance sector. The ideal candidate will have over 5 years of experience, strong analytical skills, and the ability to work collaboratively in a t ...

Senior Backend Developer Mainframe PL/I

A technology firm is looking for 2 experienced Senior Software Developers specializing in Back End development in Toronto. Candidates should have over 5 years of mainframe PL/I experience with XML processing. Responsibilities include system analysis, technical specifications creation, and software development. T ...

Mainframe Developer COBOL, IMS, Assembler, DB2

Responsibilities 5 years of mainframe development experience Strong knowledge in assembler, IMS, COBOL Ability to work independently with minimal guidance Essential Skills 5 years of mainframe development experience Strong knowle ...

Mainframe Application Developer (COBOL/CICS/DB2)

Are you a skilled Mainframe Application Developer ready to drive innovative solutions? Apply Now! Working with one of our top financial clients, this role calls for a Mainframe Application Developer (COBOL/CICS/DB2). You will be responsible for designing, developing, and maintaining robust mainframe ...

Mainframe Developer with 10+ Years Experience

Step into a Senior Mainframe Developer position, utilizing your robust knowledge of Mainframe technologies for enterprise applications. This role focuses on development and production support.We are in search of a dedicated Senior Mainframe Developer with a decade of experience. Your expertise in MVS, COBOL, ...

Senior Mainframe Backend Developer (IMS/DB2)

A leading technology solutions provider in Ontario is seeking a Senior Software Developer with expertise in mainframe technologies. The role requires extensive programming experience, specifically with PL/I and DB2, and offers the opportunity to work on complex system designs. The ideal candidate will have a str ...

Mainframe Developer LanceSoft, Inc. (Saint Bonaventure)

Pay Range: CAD 55-60/hr Key ResponsibilitiesDesign, 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 ...

Mainframe Developer for Enhancements in Toronto

Join our Toronto team as a Mainframe Developer, specializing in application enhancements and support in a hybrid work model. Leverage your expertise in legacy systems while driving application modernization.This contract role calls for an experienced Mainframe Developer to enhance applications and supp ...

Mainframe Developer LanceSoft, Inc. (Metro Vancouver)

Pay Range: CAD 55-60/hr Key ResponsibilitiesDesign, 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 ...

Mainframe Developer LanceSoft, Inc. (St. Catharines)

OverviewPay Range: CAD 55-60/hr Key ResponsibilitiesDesign, 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 procedure ...

Mainframe Developer st catharines (St. Catharines)

OverviewPay Range: CAD 55-60/hr Key ResponsibilitiesDesign, 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 procedure ...

Senior Mainframe Developer with PL/I

Enhance your mainframe expertise in a senior development role. This position focuses on application enhancements and production support with technologies like PL/I and Cobol.We are looking for a Senior Mainframe Developer with over 5 years of experience. You will work with tools like Control-M, ISPW, a ...

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    Software Developer Java Mainframe Jobs in Canada Job Search Guide, Trends and Insights