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Remote Mainframe Developer Jobs in Ontario (NOW HIRING)

Software Developer

Toronto, ON · On-site +1

CA$100K - CA$107K/yr

The opportunity As the Software Developer, you will analyze, design, develop, and support software ... A flexible work environment combining in office collaboration and remote working * Competitive time ...

Software Developer

Toronto, ON · On-site +1

CA$101K - CA$118K/yr

You will be working on a 100% remote schedule as part of Fidelity's dynamic working arrangement ... Reporting to the CRM Support Team Manager, the software developer is responsible for development ...

Spectrum Health Care is seeking an AI Developer to join our growing Data and AI Team and help shape the next generation of healthcare intelligence. This is a full‑stack AI role where you will work ...

As a Software Developer on Borrowell's Engineering team, you will design, develop, optimize, test ... While this role is remote, we are currently only able to hire candidates physically located in ...

... Developer to design, develop, and maintain software applications. This role requires strong technical expertise, problem-solving skills, and a passion for learning and innovation. This is a remote ...

Senior Software Engineer

Toronto, ON · Remote

CA$110K - CA$140K/yr

Performance optimization and scalability work for multi-tenant SaaS environment * DevOps activities ... Fully remote work & support to assist with making your remote office space as comfortable as ...

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Remote Mainframe Developer information

Is IBM still making mainframes?

IBM continues to manufacture mainframes, such as the IBM Z series, which are widely used in enterprise environments for their reliability, security, and scalability. Mainframes remain a key platform for large-scale data processing and transaction workloads, and many organizations rely on mainframe developers to maintain and upgrade these systems.

What Does a Remote Mainframe Developer Do?

As a remote mainframe developer, you work from home to design, code, test, and configure software and applications used on a mainframe system. Mainframes are large computers with particularly high processing power and are often used for critical tasks like bulk data processing or enterprise resource planning. In this role, you may help ensure all new software is fully backward-compatible, monitor system performance, isolate errors, and work collaboratively with other developers as needed. Most mainframe developers work for larger companies. As a remote employee, you use virtual office software, phone, chat, or email to remain connected to other employees.

What are the key skills and qualifications needed to thrive as a Remote Mainframe Developer, and why are they important?

To thrive as a Remote Mainframe Developer, you need strong programming skills in languages like COBOL, JCL, and experience with mainframe operating systems, often supported by a degree in computer science or related field. Familiarity with tools such as IBM z/OS, DB2, CICS, and version control systems is typically required, along with relevant certifications. Excellent problem-solving abilities, independent work ethic, and effective virtual communication are standout soft skills for this remote role. These skills ensure smooth maintenance, modernization, and support of critical legacy systems in distributed teams.

Is mainframe developer a good career?

A mainframe developer is a skilled IT professional who maintains and develops applications on mainframe systems, which are used by large organizations for critical data processing. The role offers stable employment, competitive salaries, and opportunities to work with legacy technologies like COBOL and JCL. However, it requires specialized skills and ongoing learning to stay current with evolving systems and tools.

Can mainframe be replaced by AI?

Mainframe developers work with large-scale, legacy systems that require specialized knowledge of mainframe architectures, programming languages, and security protocols. While AI can automate certain tasks like code analysis and testing, it is unlikely to fully replace the need for skilled mainframe developers who maintain and optimize critical enterprise systems. AI tools may assist in development, but human expertise remains essential for complex mainframe environments.

How does a Remote Mainframe Developer typically collaborate with on-site teams and manage communication challenges?

As a Remote Mainframe Developer, you'll often work closely with on-site IT teams, business analysts, and project managers through virtual meetings, chat platforms, and shared documentation tools. Effective communication is key, so regular check-ins and proactive status updates help ensure alignment on project goals and troubleshooting efforts. Many companies use agile methodologies, which means you'll likely participate in daily stand-ups and sprint planning sessions remotely. While time zone differences can be a challenge, flexible scheduling and clear communication protocols are common strategies to keep everyone connected and productive.

What is the salary of a mainframe developer?

The salary of a mainframe developer typically ranges from $70,000 to $120,000 annually, depending on experience, location, and certifications. Senior developers with specialized skills in COBOL, JCL, and mainframe tools may earn higher salaries, especially in industries like finance and government that rely heavily on mainframe systems.

What is a Remote Mainframe Developer?

A Remote Mainframe Developer is a software professional who specializes in designing, developing, maintaining, and troubleshooting applications that run on mainframe computers, while working from a remote location. Mainframes are powerful computers often used by large organizations for critical applications, such as transaction processing and bulk data handling. Remote Mainframe Developers use programming languages like COBOL, JCL, and Assembler, and often connect to mainframe systems via secure networks. Their work ensures that legacy systems remain efficient, secure, and up-to-date. This role typically requires strong technical skills, experience with mainframe environments, and effective communication for collaborating with on-site teams.
What are the most commonly searched types of Mainframe Developer jobs in Ontario? The most popular types of Mainframe Developer jobs in Ontario are:
What are popular job titles related to Remote Mainframe Developer jobs in Ontario? For Remote Mainframe Developer jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Remote Mainframe Developer jobs in Ontario look for? The top searched job categories for Remote Mainframe Developer jobs in Ontario are:
What cities in Ontario are hiring for Remote Mainframe Developer jobs? Cities in Ontario with the most Remote Mainframe Developer job openings:
Infographic showing various Remote Mainframe Developer job openings in Ontario as of June 2026, with employment types broken down into 1% Locum Tenens, 1% As Needed, 93% Full Time, 4% Part Time, and 1% Contract. Highlights an 44% Physical, 4% Hybrid, and 52% Remote job distribution.

Software Developer

Ontario Teachers

Toronto, ON • On-site, Remote

CA$100K - CA$107K/yr

Full-time

Retirement

Posted 27 days ago


Job description

The opportunity

As the Software Developer, you will analyze, design, develop, and support software solutions to help Ontario Teachers' Pension Plan meet its business objectives. You will contribute your technical knowledge to complex and interesting IT projects for our Investments division. You'll have the opportunity to work remotely and come into the office on occasion for team collaboration moments. Our Flexible Travel Program gives you the option to work abroad for a month in another region/country. The choice is yours!

Who you'll work with

This position is part of the Information Technology group, within the Enterprise Operations Division. You will work in a cross-functional team building custom analytics solutions for the front office customers in Investments division.

What you'll do

  • With guidance and support, complete well designed systems of high quality that make appropriate use of technology.

  • Develop personal plans and the task detail appropriate for completion of an acceptable volume of work and for the communication of status

  • Responsible for maintaining currency in technological trends and directions; continually upgrading personal, technical, and IT related skills through research, education and selfmotivated technology experimentation.

  • Participate and lead in new technology investigation and make recommendations for new technology adoption where appropriate

  • Opportunities to lead technical projects and act as mentor to junior development staff

What you'll need

  • Computer Science or Engineering degree or equivalent working experience.

  • Expert level knowledge of current information systems theories, concepts, and techniques.

  • Excellent organizational, analytical and problem-solving skills.

  • Ability to communicate and interact effectively with end users who are not technical.

  • Minimum of 5 years of professional software development experience

  • Knowledge of data modelling for transactional as well as reporting/ data analytics systems.

  • Experience with system integration using service-oriented architecture (SOA) and event-based integration.

  • Experience with the following technologies: Python, T-SQL/SQL, .NET (core and legacy), Microsoft SSIS (or similar ETL tool).

  • Practical experience with Continuous Delivery tools / practices (e.g. Github, Jenkins, Nexus, Delphix, UrbanCode).

  • Knowledge of Power BI for data analysis.

  • Experience with cloud platforms such as Snowflake, Azure, AWS, is an asset.

  • Knowledge of front end development in Angular or other SPA frameworks is an asset.

  • Experience in various software development methodologies and agile development practices; Test Automation, Test Driven Development, Continuous Delivery.

#LI-OTPP, #LI-AP1

What we're offering

This position is eligible for base salary and annual incentive based on individual and enterprise performance. Base Salary starting at $100,300 to $107,200 with future opportunity of up to $116,400.
  • Numerous opportunities for professional growth and development

  • Comprehensive employer paid benefits coverage

  • Retirement income through a defined benefit pension plan

  • The opportunity to invest back into the fund through our Deferred Incentive Program

  • A flexible work environment combining in office collaboration and remote working

  • Competitive time off

  • Our Flexible Travel Program gives you the option to work abroad in another region/country for up to a month each year

  • Employee discount programs including Edvantage and Perkopolis

At Ontario Teachers', diversity is one of our core strengths. We take pride in ensuring that the people we hire and the culture we create, reflect and embrace diversity of thought, background and experience. Through our Diversity, Equity and Inclusion strategy and our Employee Resource Groups (ERGs), we celebrate diversity and foster inclusion through events for colleagues to connect for professional development, networking & mentoring. We are building an inclusive and equitable workplace where our talent is respected, accepted and empowered to be themselves. To learn more about our commitment to Diversity, Equity and Inclusion, check out Life at Teachers'.

How to apply

Are you ready to pursue new challenges and take your career to the next level? Apply today! You may be invited to complete a pre-recorded digital interview as part of your application.

Accommodations are available upon request (peopleandculture@otpp.com) for candidates with a disability taking part in the recruitment process and once hired.

Candidates must be legally entitled to work in the country where this role is located.

Ontario Teachers' may use AI-based tools to assist in screening and assessing applicants for this position. These tools may help us identify candidates whose skills and experience align with Ontario Teachers' objectives by analyzing information provided in resumes and applications. Our use of AI does not replace human decision-making.

To learn more about how Teachers' uses AI with your personal information, please visit our Privacy Centre.

Functional Areas:

Information Technology

Vacancy:

Current

Requisition ID:

7020#LI-AP1