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Senior Tandem / Mainframe Developer – HP NonStop | COBOL | TACL | Enscribe

Toronto, ON
On-site
Posted Sep 24, 2026
1 position

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Employment type: Contract
Experience level: Senior · 5+ years
Apply by: Oct 17, 2026
Posting language: English
Working hours: 40 hours per week
Seniority: Mid-Senior level
Application method: Direct apply is available

Job summary

Develop, enhance, and maintain Tandem and Mainframe applications while providing production support and incident resolution. Analyze business requirements to implement technical solutions and prepare necessary documentation.

Job details

Senior Tandem / Mainframe Developer – HP NonStop | COBOL | TACL | Enscribe Location: Toronto Job Type: Contract Job Description We are looking for a Tandem / Mainframe Developer with strong experience in HP NonStop (Tandem) and/or Mainframe technologies. The candidate will be responsible for application development, maintenance, enhancements, and production support. Required Skills Strong experience in Tandem / HP NonStop development. Experience with COBOL and TACL. Experience with Enscribe and/or SQL/MP, SQL/MX. Good knowledge of Mainframe technologies such as COBOL, JCL, DB2, and CICS. Experience in application development, maintenance, and troubleshooting. Experience with production support and incident resolution. Ability to analyze requirements and develop technical solutions. Good understanding of SDLC and Agile methodologies. Strong communication and problem-solving skills. Responsibilities Develop, enhance, and maintain Tandem/Mainframe applications. Analyze business and technical requirements. Perform coding, testing, debugging, and implementation. Troubleshoot production issues and provide timely resolutions. Work with cross-functional teams to deliver application changes. Prepare technical documentation and support application releases. Preferred Experience working in Banking / Financial Services is a plus. Experience with Tandem-to-Mainframe or Mainframe-to-Tandem integration/migration is preferred. Experience with batch processing and production support is an advantage.

What you’ll do

Requirements

Requires strong experience in HP NonStop, COBOL, TACL, and Enscribe, along with knowledge of Mainframe technologies like DB2 and CICS. Experience in banking or financial services and migration projects is preferred.