Mainframe Developer - IMSDB

Role: Mainframe Developer - IMSDB Location: Toronto, ON (Hybrid 4 days from Office) Duration: Contract Job Description We are looking for an experienced Mainframe Developer to develop, maintain, and support enterprise mainframe applications. The ideal candidate should have strong experience in COBOL development, JCL, DB2, CICS, and VSAM, with the ability to analyze business requirements and deliver high-quality solutions. Required Skills 5+ years of experience in Mainframe Development. Strong hands-on experience with COBOL, JCL, DB2, CICS, and VSAM. Experience in batch processing, online transaction processing, and production support. Ability to analyze, debug, and resolve application issues. Experience with Endevor, Changeman, File-AID, or similar mainframe tools. Knowledge of Agile/Scrum methodology. Strong communication and problem-solving skills. Preferred Skills Experience in Banking, Financial Services, or Insurance domains. Exposure to IMS, MQ Series, and mainframe modernization initiatives. Experience with production support and incident management. This concise JD is suitable for LinkedIn or recruiter postings while covering the key requirements for a Mainframe Developer role.

Develop, maintain, and support enterprise mainframe applications. Analyze business requirements to deliver high-quality technical solutions.

Requires over 5 years of experience in mainframe development with proficiency in COBOL, JCL, DB2, CICS, and VSAM. Experience with mainframe tools like Endevor or Changeman and knowledge of Agile methodology are required.

Identified from the job description. Confirm important requirements above.

• Cobol
• Jcl
• Db2
• Cics
• Vsam
• Imsdb
• Batch Processing
• Online Transaction Processing
• Production Support
• Endevor
• Changeman
• File-Aid
• Agile
• Scrum
• Mq Series
• Mainframe Modernization

Minimum experience

5+ years

Apply by

Aug 26, 2026