Back to job search
Lorven Technologies Inc. logo

Senior Developer - Mainframe

  • Toronto, ON
  • On-site
  • Posted Oct 29, 2026
  • 1 position

Opens LinkedIn

Sign in to save this job
Employment type
Contract
Experience level
Senior · 5+ years
Posting language
English
Working hours
40 hours per week
Seniority
Mid-Senior level
Application method
Apply on LinkedIn (LinkedIn sign-in required)

Job summary

Design, develop, test, deploy, support, and evolve software for a critical mainframe banking cards and transactions system. Lead conversion, attestation, and audit initiatives; manage deliverables; assess requirements and timelines; maintain project documentation; and provide occasional after-hours production support.

Job details

Role Name: Senior Developer - Mainframe Location: Toronto 4 days a week on site Job Type: Contract As a Senior Developer, you will be working in a development and support capacity on our core mainframe cards and transactions system. The core application is a large, sophisticated mainframe-based system which connects clients to their banking products and services. This 24/7 application supports critical delivery channels such as Online Banking, POS, ATM and others. Design, develop, test, deploy, support and evolve software to deliver banking services. Lead conversion, attestation and audit initiatives Manage individual priorities, deadlines and deliverables. Assess and analyze business and technical requirements in order to provide estimates and establish plans and timelines Create, update and contribute to critical documentation relevant to the projects Effectively communicate and build rapport with team members and various IT partners Available for after-hours production support when needed (rare) Must-have Completion of a post-secondary education Production Support Experience. Outstanding communication skills (written and verbal) Strong background in software Maintenance especially mainframe Expertise in COBOL, JCL, IMS (DB/Online/Batch), DB2, MQSeries, Git/Endevor and Zeke Nice-to-have Understanding/usage of z/OS Connect, IDz, zUnit and test automation Experience with CI/CD mainframe pipeline Familiarity with Java Cloud development

What you’ll do

Design, develop, test, deploy, support, and evolve software for a critical mainframe banking cards and transactions system. Lead conversion, attestation, and audit initiatives; manage deliverables; assess requirements and timelines; maintain project documentation; and provide occasional after-hours production support.

Requirements

A post-secondary education and production support experience are required, along with strong written and verbal communication skills and a background in mainframe software maintenance. Required technical expertise includes COBOL, JCL, IMS, DB2, MQSeries, Git or Endevor, and Zeke; experience with z/OS Connect, IDz, zUnit, test automation, mainframe CI/CD, Java, or cloud development is an asset.

Listed skills

  • CI/CD · Preferred
  • COBOL · Preferred
  • Java · Preferred
  • Git · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

  • COBOL
  • JCL
  • IMS
  • DB2
  • MQSeries
  • Git
  • Endevor
  • Zeke
  • Production Support
  • Mainframe Software Maintenance
  • z/OS Connect
  • IDz
  • zUnit
  • Test Automation
  • CI/CD
  • Java

Job areas

  • Technology
  • Software
  • Finance & Accounting

More jobs from Lorven Technologies Inc.

See all jobs from Lorven Technologies Inc.