Mainframe Application Developer jobs in Toronto

Astra North Infoteck Inc.

Role: Sr. Mainframe Developer Location: Toronto, ON – Hybrid (4 Days WFO) Duration: 12 Months Role Description – Must‑Have Mainframe expert with 10 years hands‑on experience 5 years mainframe application support experience zOS, MVS, TSO/ISPF, JCL, IMS DB/DC, CICS, DB2, VSAM, COBOL, ZEKE, File‑AID or

Fidelity International

Job Description Current work authorization for Canada is required for all openings. You will be working on a 100% remote schedule as part of Fidelity’s dynamic working arrangement. Who We Are Fidelity Clearing Canada (FCC) is the leading independent clearing broker and custodian in the Canadian mark

Astra North Infoteck Inc.

Job Title: Mainframe Developer Location: 160 Front Street West, Toronto Work Type: Hybrid (2 days/week at office) Assignment Length: 12 months Maximum Bill Rate: 70 Years of Experience: 8+ Detailed Job Description: Tech stack – IBM Mainframe - JCL, COBOL, SQL, DB2, Deep IMS knowledge, Endever, File-

CGI

$80,000 - $130,000 /year

Position Description: CGI is a global business and technology service provider with $11.5B in revenues. CGI is on a mission to help financial services organizations focus on servicing their clients. CGI supports 15 of the top 20 banks worldwide and our top 10 banking clients have worked with us for

Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!

We are seeking an experienced Senior Mainframe Developer with strong expertise in Mainframe technologies and production/application support. The ideal candidate should have hands-on experience working in enterprise environments and supporting critical Mainframe applications. Key Responsibilities Pro

TMX Group

Venture outside the ordinary - TMX Careers The TMX group of companies includes leading global exchanges such as the Toronto Stock Exchange, Montreal Exchange, and numerous innovative organizations enhancing capital markets. United as a global team, we’re connecting cross-functionally, traversing ind

Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!

Join us as a Mainframe Application Support Specialist, leveraging your technical skills in production environments. Your role will be essential in maintaining critical application functions. We seek a Senior Mainframe Developer with 10+ years of experience, focusing on application support. You will

Canadian Imperial Bank of Commerce

## Mainframe DeveloperApplylocations: Toronto, ONtime type: Full timeposted on: Posted Todaytime left to apply: End Date: June 5, 2026 (14 days left to apply)job requisition id: We’re building a relationship-oriented bank for the modern world. We need talented, passionate professionals who are dedic

Canadian Imperial Bank of Commerce

Elevate your career as a Mainframe Developer at CIBC in Toronto, ON. Contribute to the technical design and development of innovative multi-platform applications in a hybrid work environment. This full-time role focuses on COBOL application technologies alongside JCL and DB2/IMS. As a member of CIBC

BMO

Application Deadline: 05/18/2026 Address: 33 Dundas Street West Job Family Group: Technology Develops scalable and accessible business cloud applications. Focuses on the technical design, development, enhancement, testing, debugging and maintenance of Cloud applications and supports the design of bu

HCLTech

$75,000 - $80,000 /year

Job Title: Senior Application Developer / Application Support Lead – Banking & Financial Services Experience: 7–10 Years Domain: Banking / Financial Services Location: Toronto, ON (Hybrid/Onsite as applicable) Job Summary We are looking for a Senior Application Developer with strong experience suppo

Wipro

Wipro seeks a Lead Mainframe Developer with deep technical expertise in mainframe systems. This role focuses on COBOL, JCL, and database management in a dynamic digital transformation environment. As a Lead Mainframe Developer at Wipro, you'll leverage your 5-8 years of hands-on experience in managi

CIBC

Join CIBC as a Senior Mainframe Developer, orchestrating technical design and development in a full-time on-site role. Bring your COBOL, JCL, and DB2 expertise to enhance cross-platform applications. As a key member of the Shared Platform Technology Team, you will design sophisticated application sy

Elevate your career as a Mainframe Developer specializing in Credit Cards at Wipro. This role focuses on mission-critical applications and high-volume transaction processing for credit card systems. Wipro seeks talented developers with 6–10+ years of experience in Mainframe technologies, particularl

Capgemini

Pursue a transformative career as a Mainframe Developer with Capgemini in Mississauga, ON, focusing on critical technologies like JCL, COBOL, and DB2. As a Mainframe Developer at Capgemini, you will have a pivotal role in supporting the technological needs of major clients. You'll leverage your expe

Tata Consultancy Services

Tata Consultancy Services (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in. Our continued commitment to Culture and Di

Capgemini

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s

Edelman DXI

Contribute to groundbreaking AI solutions at Edelman as an AI Application Developer. Engage in full-stack development, utilizing React, Python, and state-of-the-art AI tools. Join Edelman’s AI-driven division, where you will be responsible for creating full-stack applications and integrating AI capa

Ward Technology Talent Inc.

Senior PHP Applications Developer (CONTRACT) In this role you will plan, architect, design, develop, implement, test, and solve problems with complex applications involving authentication and databases used by the end users. You are expected to demonstrate innovation and leadership in developing and

Codex

Lead application development as an Expert OneStream Developer, utilizing your VB.NET or C# expertise to drive integration and platform maintenance. Collaborate closely with Finance teams for impactful enhancements. As the Lead OneStream Developer, you will be pivotal in the continuous enhancement an