Mainframe Developer
artechToronto, ONTitle: Mainframe Developer - PL/I, Cobol, JCL, VSAM, IMS DB, DB2.Skills: Digital : Guidewire Policy Center~ Mainframe DB2 - Application Development~ System Z - JCL.We are looking for an experienced... Show more
Developer Jobs in North York, ON
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Developer • north york on
Last updated: 23 hours ago
Software Developer
logi senseToronto, ON, CAHelp Deliver the Future of Usage-Based Billing.LogiSense is looking for a Software Developer to help build and enhance our usage-based billing platform.NET, and Microsoft SQL Server skills, along w... Show more
Web Developer
prestoToronto, ON, CanadaPresto is the leading Voice AI company for restaurant drive-thrus, operating at scale in complex, noisy, customer-facing environments.As the AI partner to more than a dozen of the most iconic Ameri... Show more
Software Developer
upstaffToronto, ON, caSoftware Developer – Intermediate.Ontario Public Service – Central Agencies Cluster.Ministry of Treasury Board Secretariat.October 14, 2026 at 12:00 PM EST.The Ontario Public Service is seeking.Int... Show more
Android Developer
astra north infoteckToronto, ON, caAndroid Developer – Kotlin, Jetpack Compose & Android Studio.We are seeking an experienced Android Developer with 6-8 years of mobile application development experience to design, develop, and main... Show more
ServiceNow Developer
scotiabankToronto, ON, CAJoin a purpose driven winning team, committed to results, in an inclusive and high-performing culture.Contributes to the overall success of the Information Technology & Solutions (IT&S) glo... Show more
Software Developer
sync comToronto, ON, CASync is Canada’s largest cloud storage provider and a global leader in secure file sharing and document collaboration.We’re expanding into the enterprise market, and we need your help.J... Show more
Python Developer
apptadToronto, ON, CanadaKey Responsibilities</b></p> <ul> <li>Design, develop, and maintain scalable backend applications using <b>Python</b>.Build and integrate <b>Agentic AI / G... Show more
Software Developer
turingToronto, Ontario, CanadaBased in San Francisco, California, Turing is the world’s leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems.Turing support... Show more
Android Developer/IOS Developer
vdartToronto, ON, CanadaRole: Android Developer/IOS Developer</b></p> <p><b>Location: Toronto, ON (Hybrid)</b></p> <p><b>Fulltime</b></p> <p><b>Job D... Show more
Product Developer
umbraScarborough, ON, CAAre you a hands-on Product Developer who loves turning design concepts into real, manufacturable products?.This role sits at the intersection of design, materials, and manufacturing—focused on.You’... Show more
Developer
bank canadaOttawa or Toronto, ON, CAThe Bank of Canada has a vision to be a leading central bank—dynamic, engaged and trusted—committed to a better Canada.No other employer in the country offers you the unique opportunity to work at ... Show more
Model Developer
ontario power generationToronto, ON, CAFour-year university degree in a relevant discipline, supplemented by at least one additional year of specialized study or equivalent advanced education.University Avenue, Toronto, Ontario M5G 1Z5... Show more
DevOps Developer
0000050007 royal bank canadaTORONTO, Ontario, CanadaAre you passionate about driving innovation in application development and streamlining the software delivery lifecycle? As a Senior DevOps Engineer, you will play a critical role in bridging the g... Show more
Quantative Developer
jay analytixToronto, Ontario, CanadaToronto, Ontario, Canada — Hybrid .We are seeking a Quantitative Developer with strong expertise in quantitative finance and advanced proficiency in Python.This role focuses on building and impleme... Show more
Software Developer
ocean mdToronto, ON, CAJoin us as we change healthcare for the better.OceanMD, a WELL Health Company, is the leading provider of EMR-integrated Patient Engagement and eReferral tools in Canada, playing a critical role in... Show more
JAVA Developer / Full Stack Developer
randstad canadaToronto, Ontario, CAOur Toronto based client is looking for a Full Stack Engineer – Java / Capital Markets to join their growing team.Work Model: Hybrid – 3 days/week in office.Build the Technology Behind Electronic T... Show more
React Developer
falcon smart itToronto, Ontario, CanadaDevelop and maintain web applications using React.Build responsive and user-friendly UI components.Work with JavaScript, TypeScript, HTML, and CSS.Integrate front-end applications with REST APIs.Co... Show more
Calypso Developer
bmofinancialgroupNorth York, ONBMO is an organization driven by a shared Purpose: Boldly Grow the Good in business and life.It calls on members of its team, to create lasting, positive change for its customers, its communities, ... Show more
ServiceNow Developer
scotiabankToronto, ON, CAChampions a customer focused culture to deepen client relationships and leverage broader Bank relationships, systems, and knowledge.Design, develop and configure ServiceNow modules such as ITSM, IT... Show more
- Terrace, BC (from $ 43,875 to $ 320,000 year)
- Terrebonne, QC (from $ 35,588 to $ 190,000 year)
- Mont-Royal, QC (from $ 67,500 to $ 175,028 year)
- Ajax, ON (from $ 72,547 to $ 164,453 year)
- Peace River, AB (from $ 78,423 to $ 163,460 year)
- Campbell River, BC (from $ 78,423 to $ 163,460 year)
- Powell River, BC (from $ 78,423 to $ 163,460 year)
- Cole Harbour, NS (from $ 149,966 to $ 163,455 year)
- Drummondville, QC (from $ 98,473 to $ 163,056 year)
- Stony Plain, AB (from $ 88,810 to $ 162,772 year)
Mainframe Developer
artechToronto, ON1 day ago
Job type
- Full-time
Job description
Title: Mainframe Developer - PL/I, Cobol, JCL, VSAM, IMS DB, DB2
Location: Canada - Remote
Duration: 6-12 months
Experience Required: 8-10
Skills: Digital : Guidewire Policy Center~ Mainframe DB2 - Application Development~ System Z - JCL
Pay Range: C$53 INC
Job Summary
We are looking for an experienced Mainframe Developer to support application enhancements, production support, and decommissioning initiatives within a complex enterprise environment. The role requires strong expertise in legacy systems, data management, and operational stability while contributing to modernization and retirement of applications. The ideal candidate will have hands-on experience in PL/I, DB2, IMS, and JCL, along with strong analytical and troubleshooting skills.
Job Requirements
•Design, develop, and implement enhancements to existing mainframe applications based on business requirements.
•Write, maintain, and optimize PL/I programs and JCL for batch and online processing.
•Work with DB2 and IMS databases for data processing, querying, and performance tuning.
•Provide Level 2/3 production and application support, including batch job monitoring, incident resolution, and root cause analysis.
•Ensure smooth execution of batch processes using scheduling tools such as Control-M and support change, incident, and problem management activities using tools like HPSM and JIRA.
•Utilize mainframe development and deployment tools such as ISPW for code management and promotion.
•Analyze legacy applications to identify decommissioning opportunities, including dependency mapping and impact analysis.
•Support data archival, migration, and validation as part of application retirement initiatives.
•Execute decommissioning activities in compliance with regulatory and data retention requirements.
•Collaborate with cross-functional teams and document system changes, processes, and decommissioning activities.
Required Qualifications
•Bachelor’s degree in Computer Science, Information Technology, or a related field.
•4–7 years of experience in mainframe development and support roles.
•Strong hands-on experience with PL/I, DB2, IMS, and JCL.
•Experience with tools such as Control-M, ISPW, HPSM, and JIRA.
•Experience in application enhancements and production support.
•Knowledge of batch processing and job scheduling tools.
•Strong analytical, troubleshooting, and problem-solving skills.
Preferred Skills
•Experience with mainframe application decommissioning or modernization initiatives.
•Familiarity with Guidewire ClaimCenter (added advantage).
•Understanding of insurance.
•Exposure to Agile delivery models.
•Experience with data migration and archival strategies.
Key Competencies
•Strong attention to detail and quality focus
•Excellent communication and collaboration skills
•Ability to manage multiple priorities and deadlines
•Proactive problem-solving and critical thinking.