Senior Mainframe

A technology staffing firm in Toronto seeks a Senior Mainframe/Assembler Developer to support critical banking systems. Successful candidates will have extensive experience in Assembler and COBOL, along with strong DB2 and mainframe utility knowledge. This role involves modernizing legacy systems and ensuring security and performance. Join a collaborative...

A technology staffing firm in Toronto seeks a Senior Mainframe/Assembler Developer to support critical banking systems. Successful candidates will have extensive experience in Assembler and COBOL, along with strong DB2 and mainframe utility knowledge. This role involves modernizing legacy systems and ensuring security and performance. Join a collaborative...

A leading IT consulting firm based in Toronto, Canada, is looking for a Senior Mainframe Application Developer. This role requires over 10 years of experience in mainframe application development, including hands-on programming in COBOL and Assembler. The successful candidate will manage end-to-end application processes within a collaborative IT team,...

A leading IT consulting firm based in Toronto, Canada, is looking for a Senior Mainframe Application Developer. This role requires over 10 years of experience in mainframe application development, including hands-on programming in COBOL and Assembler. The successful candidate will manage end-to-end application processes within a collaborative IT team,...

A leading IT consulting firm based in Toronto, Canada, is looking for a Senior Mainframe Application Developer. This role requires over 10 years of experience in mainframe application development, including hands-on programming in COBOL and Assembler. The successful candidate will manage end-to-end application processes within a collaborative IT team,...

Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Maarut Inc Overview We are looking for an Intermediate Mainframe Developer, a Senior Mainframe Developer and a Mainframe Lead who has strong experience in the following areas: Mainframe code, host environment and infrastructure, COBOL, MQ, JCL, VSAM, TSO, ISPF,...

Job Title: Senior Mainframe Application Developer Work Arrangement - Onsite, 5 days/week - Monday–Friday | 8:00 AM – 5:00 PM Role Summary The Senior Mainframe Application Developer will be responsible for end-to-end design, development, maintenance, and support of large-scale mainframe applications. The role involves working with hierarchical databases,...

Job Title: Senior Mainframe Application Developer Work Arrangement Onsite, 5 days/week Monday–Friday | 8:00 AM – 5:00 PM Role Summary The Senior Mainframe Application Developer will be responsible for end-to-end design, development, maintenance, and support of large-scale mainframe applications. The role involves working with hierarchical databases,...

Job Title: Senior Mainframe Application Developer Work Arrangement Onsite, 5 days/week Monday–Friday | 8:00 AM – 5:00 PM Role Summary The Senior Mainframe Application Developer will be responsible for end-to-end design, development, maintenance, and support of large-scale mainframe applications. The role involves working with hierarchical databases,...

Location Address 2201 Eglinton Ave East - Scarborough Contract Duration 02/16/2026 to 04/30/2026 Possibility of Extension & Conversion to FTE Possible Schedule Hours 9am-5pm Monday-Friday; standard 37.5 hrs/week (Possible OT) Story Behind the Need (Reason for hiring) The team requires a highly specialized Mainframe/Assembler Developer to support complex...