Posted 2 days ago
Mainframe Developer
@ Apptoza Inc.
Toronto, Ontario
Overview
Apptoza Inc. is hiring a contract Mainframe Lead Developer in Toronto, ON, on a hybrid arrangement. The role designs, develops and supports COBOL, CICS, DB2 and JCL applications, and leads them through the full SDLC. Candidates need hands-on mainframe experience and prior lead developer experience.
Responsibilities:
- Design, develop and maintain mainframe applications in COBOL, CICS, DB2 and JCL
- Translate business requirements into technical specifications
- Lead design, testing, deployment and production support
- Manage the full SDLC and document technical work
Requirements summary:
- Strong hands-on experience in COBOL, CICS, DB2 and JCL
- Mainframe development and production support experience
- Application design, development, testing and deployment experience
- Previous experience as a Mainframe Lead Developer
Tools & skills
Source and dates
Source type not verified · apify-linkedin
- Employer posting date
- 2026-11-08
- First seen by our source
- 2026-11-10
- Source record updated
- 2026-11-10
These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.
Job details
| Seniority | Lead |
| Department | Software development |
| Travel | air: none · ground: none |
| Work setting | Office |
| Position | Mostly sitting |
| Physical demands | physical low · computer high |
| Languages | English |
Summary and details written by AI from the posting; the employer’s posting is the authority.
Apptoza Inc.
Title : Mainframe Lead Developer
Location : Toronto ,ON (Hybrid)
Key Responsibilities:
- Design, develop, and maintain Mainframe applications using COBOL, CICS, DB2, and JCL.
- Translate business requirements into technical specifications and application solutions.
- Lead application design, development, testing, deployment, and production support.
- Develop and execute unit and integration test plans.
- Manage the complete SDLC and ensure timely solution delivery.
- Collaborate with business and IT teams to deliver project requirements.
- Participate in technical reviews and prepare SDLC documentation.
Required Skills:
- Strong hands-on experience in COBOL, CICS, DB2, and JCL.
- Mainframe application development and production support experience.
- Experience in application design, development, testing, and deployment.
- Previous experience as a Mainframe Lead Developer.
Journal
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