Mainframe/Assembler Developer

Software Development
Ontario – Toronto
January 21, 2026
Contractor
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Job Description

  • Contractor
  • Anywhere

**HIRING – CONTRACT – HYBRID TORONTO**

Our top5 banking client is looking for a Mainframe/Assembler Developer!

If you are interested, please send your resume to safao@corgta.com! No thirs party vendors please

Candidate Requirements / Must Have Skills
1. 10+ years of recent, hands on Assembler (HLASM) development experience — expert level proficiency required.
2. 10+ years of mainframe development experience using COBOL, JCL, DB2, VSAM, Netron.
3. 5+ years’ experience with security and environment control systems such as ISPW, Endevor, RACF; plus database management tools (IDB2, VSAM).
4. 5+ years’ experience with mainframe utilities and productivity tools (MVS/TSO, ACR, COMPAREX, SYNCSORT, IDCAMS, CRF, File Manager).
5. 5+ years of strong DB2, DFSORT, JCL, and COBOL experience supporting large scale enterprise applications.

Nice To Have Skills
1. Understanding of file transfer protocols (FTP, SFTP).
2. Knowledge of mainframe integration for ETL processing.
3. Experience with DevOps practices and tooling.
4. Experience with web services and APIs.

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