Senior Software Developer

Donna Cona • London, Ontario, Canada • Posted March 23, 2026

Location London, Ontario

Job Type Sub-contract

Category Computer Occupations

Posted March 23, 2026

Reference #: 8320
Location: Winnipeg, London, Regina OR Toronto (Hybrid – 3 days/week in office)

Type: Sub-contract

Donna Cona Inc. is currently seeking a Senior Software Developer, for one of our key government clients.

Candidate MUST have the following:
A degree in computer science or an equivalent combination of education and experience, with a minimum of 8+ years of experience in a software developer role;

Experience as a software developer in a mainframe environment;

Mainframe Skills;

Two or more of the following application development environment languages and tools: PL/1, JCL, CICS, SQL, DB2, CA7, IMSDC/DB.

Exposure to ChangeMan and file transfer tools would also be an asset;

IT experience and the ability to understand and effectively work with legacy technologies and contribute as legacy applications evolve and are either decommitted or migrated to new platforms;

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