Toronto On Mainframe developer Jobs – 89 Openings This Week

Ingénieur(e) / Développeur(se) en Logiciel - Mainframe
Sun Life —Toronto, ON
- $65,000–$105,000 a year
- Weekends as needed
- Bilingual
- English
- Agile
SRE Devops Engineer
Tata Consultancy Services —Toronto, ON
- $100,000–$120,000 a year
- On call
- DevOps
- JavaScript
- Scripting
7d
Java Developer Change Management
Tata Consultancy Services —Toronto, ON
- $100,000–$120,000 a year
- Java
- SQL
- Analysis skills
8d
Solutions Design IT Specialist
TD Bank —Toronto, ON
- $96,900–$136,800 a year
- Full-time
- Databases
- Analysis skills
- APIs
- Paid time off
7d
Senior Salesforce Developer
Tata Consultancy Services —Toronto, ON
- Management
- Salesforce
- JavaScript
14d
RQ09317 - Sr. Software Developer
Source Code —Toronto, ON
- Full-time
- Hybrid work
- Azure
- DevOps
- Data analysis skills
Quick apply
Staff Site Reliability Engineer
Royal Bank of Canada —Toronto, ON
- Full-time
- Azure
- Computer Science
- Engineering
Senior Technical Systems Analyst
Royal Bank of Canada —Toronto, ON
- Full-time
- Azure
- Java
- SQL
13d
RQ10248 - Sr. Software Developer
Source Code —Toronto, ON
- Full-time
- Oracle
- Java
- SQL
Quick apply
Senior Software Engineer
Broadridge —Toronto, ON
- Full-time
- Hybrid work
- DevOps
- Java
- AWS
Software Engineer
Scotiabank —Toronto, ON
- Computer Science
- Engineering
- Project management
- Tuition reimbursement
AI Platform Engineer
Tata Consultancy Services —Toronto, ON
- $90,000–$120,000 a year
- Azure
- DevOps
- System design
8d
Mainframe Developer (COBOL/CICS/DB2) – BFSI
NavitasPartners —Toronto, ON
- From $30 an hour
- Analysis skills
Quick apply
3h
Mainframe Developer (COBOL/CICS/DB2) – BFSI
NavitasPartners —Mississauga, ON
- From $30 an hour
- Analysis skills
Quick apply
3h
Mainframe Developer (COBOL/CICS/DB2) – BFSI
NavitasPartners —Markham, ON
- From $30 an hour
- Analysis skills
Quick apply
3h

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Ingénieur(e) / Développeur(se) en Logiciel - Mainframe

Sun Life -
Toronto, ON

Apply Now

Job details

Full-time
$65,000–$105,000 a year

Qualifications

Bilingual
French
Kanban
DB2
Git
English
Application development
COBOL
Scrum
GitHub
Agile
Jenkins
Communication skills

Full job description

You are as unique as your background, experience and point of view. Here, you’ll be encouraged, empowered and challenged to be your best self. You'll work with dynamic colleagues - experts in their fields - who are eager to share their knowledge with you. Your leaders will inspire and help you reach your potential and soar to new heights. Every day, you'll have new and exciting opportunities to make life brighter for our Clients - who are at the heart of everything we do. Discover how you can make a difference in the lives of individuals, families and communities around the world.

Job Description:

We're evolving how we attract and engage with our clients, and as a Mainframe Software Engineer on our team, you'll design, develop, support, and analyze large-scale applications and systems. This is a hands-on role focused on building high-quality solutions while growing your technical depth and contributing to meaningful client experiences.

This role is ideal for an engineer who thrives in a collaborative environment, values learning and continuous improvement, and can adapt to changing priorities while maintaining delivery quality.

Own Your Contributions

Break down and analyze application requirements into well-scoped work items
Design and develop mainframe applications under the guidance of senior engineers
Identify risks and raise them early to protect delivery timelines
Make sound technical decisions aligned with team standards and long-term maintainability
Contribute to maintaining the health, reliability, and evolvability of existing systems

Build and Learn

Contribute to end-to-end application development using modern mainframe tools (IBM IDz, zDevOps, VS Code, Zowe, GitHub Copilot)
Write production-quality COBOL code with appropriate testing and documentation
Learn and apply lightweight engineering practices that balance speed and quality
Stay current with emerging technologies and AI-assisted development tools

Collaborate Effectively

Work with peers, senior engineers, and stakeholders to deliver solutions
Clearly communicate progress, risks, and trade-offs
Contribute to improving client and developer experience through collaboration
Share knowledge with peers and contribute to improving team practices and standards

What You Bring

3 - 5 years of experience in mainframe application development
Working knowledge of zOS / OS/390 environments
Experience with TSO/ISPF, DB2, IMS, JCL, and COBOL
Understanding of MQ and middleware concepts
Strong problem-solving and communication skills
Familiarity with Git, Bitbucket, Jenkins, and zDevOps pipelines is a plus
Experience with agile methodologies such as Scrum or Kanban is an asset
As this position is posted in several locations, we specify that bilingualism (French, English, both oral and written) is required for Quebec only for the frequent interactions with English and French-speaking colleagues or internal partners across Canada or worldwide.

Product Mindset

You think in terms of client and business outcomes
You’re comfortable learning through iteration and feedback
You value ownership, accountability, and continuous improvement

Why This Role

Opportunity to contribute to systems that support clients’ well being
Work within a collaborative and inclusive engineering culture
Ongoing learning through coaching, training, and hands-on experience
Access to modern development tooling and a supportive team environment

Notes / Operational Expectations

Occasional off‑hours or weekend support may be required during key production activities; participation in an on‑call rotation may apply

The Base Pay range is for the primary location for which the job is posted. It may vary depending on the work location of the successful candidate or other factors. In addition to Base Pay, eligible Sun Life employees participate in various incentive plans, payment under which is discretionary and subject to individual and company performance. Certain sales focused roles have sales incentive plans based on individual or group sales results.

Diversity and inclusion have always been at the core of our values at Sun Life. A diverse workforce with wide perspectives and creative ideas benefits our Clients, the communities where we operate and all of us as colleagues. We welcome applications from qualified individuals from all backgrounds.

Persons with disabilities who need accommodation in the application process, or those needing job postings in an alternative format, may e-mail a request to [email protected] .

We are proud to be a hybrid organization that offers our employees the choice and flexibility to work from both the office and virtually based on the needs of the business, our Clients and you! Several work options are available and can be discussed throughout the selection process depending on the role requirements and individual needs.

We may use artificial intelligence to support candidate sourcing, screening, interview scheduling.

We thank all applicants for showing an interest in this position. Only those selected for an interview will be contacted.

Salary Range:

65,000/65 000 - 105,000/105 000

Job Category:

IT - Application Development

Posting End Date:

11/06/2026

Apply Now

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mainframe developer jobs in toronto on

Ingénieur(e) / Développeur(se) en Logiciel - Mainframe

SRE Devops Engineer

Java Developer Change Management

Solutions Design IT Specialist

Senior Salesforce Developer

RQ09317 - Sr. Software Developer

Staff Site Reliability Engineer

Senior Technical Systems Analyst

RQ10248 - Sr. Software Developer

Senior Software Engineer

Software Engineer

AI Platform Engineer

Mainframe Developer (COBOL/CICS/DB2) – BFSI

Mainframe Developer (COBOL/CICS/DB2) – BFSI

Mainframe Developer (COBOL/CICS/DB2) – BFSI

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