ZipRecruiter

Log In

2

Remote Mainframe Developer Jobs in Ontario (NOW HIRING)

YO AI Labs

Software Engineer - Remote

Toronto, ON · Remote

Remote Job Summary: We are looking for experienced software engineers to help train and evaluate ... Experience with CI/CD pipelines, DevOps workflows, containers, monitoring, or production operations.

YO AI Labs

AI/ML Software Engineer - Remote

Toronto, ON · Remote

$80 - $120/hr

Senior Software Engineer Job Type: Contractor (~15 hours/week) Location: Remote Job Summary We are seeking experienced Senior Software Engineers to support an AI training project by creating ...

YO AI Labs

AI/ML Software Engineer - Remote

Ottawa, ON · Remote

$80 - $120/hr

Senior Software Engineer Job Type: Contractor (~15 hours/week) Location: Remote Job Summary We are seeking experienced Senior Software Engineers to support an AI training project by creating ...

CIBC US

Consultant, IT Quality Engineering

Toronto, ON · On-site +1

Details on your work arrangement (proportion of on-site and remote work) will be discussed at the ... Integrate automated testing scripts and strategies with DevOps tools. * Leadership Skills: Coach ...

CIBC

Consultant, IT Quality Engineering

Toronto, ON · On-site +1

Details on your work arrangement (proportion of on-site and remote work) will be discussed at the ... Integrate automated testing scripts and strategies with DevOps tools. * Leadership Skills: Coach ...

Fidelity International

Software Developer

Toronto, ON · On-site +1

You will be working on a 100% remote schedule as part of Fidelity's dynamic working arrangement. At ... We are looking for a full-stack Software Developer who will take a key role on our team. The ideal ...

StackandCo

\n \n \n This is an opportunity for a Senior Developer with 5+ years' .Net experience to become a ... This role will be fully remote for the foreseeable future but candidates must be residing in ...

YO AI Labs

AI coding agents Expert - Remote

Toronto, ON · Remote

$80 - $120/hr

Senior Software Engineer Job Type: Contractor (~15 hours/week) Location: Remote Job Summary We are seeking experienced Senior Software Engineers to support an AI training project by creating ...

YO AI Labs

AI coding agents Expert - Remote

Ottawa, ON · Remote

$80 - $120/hr

Senior Software Engineer Job Type: Contractor (~15 hours/week) Location: Remote Job Summary We are seeking experienced Senior Software Engineers to support an AI training project by creating ...

Fidelity International

Software Developer

Toronto, ON · On-site +1

You will be working on a 100% remote schedule as part of Fidelity's dynamic working arrangement ... The developer participates in all phases of the software development lifecycle, including ...

Funded.club

Senior Desktop Software Developer

Toronto, ON · Remote

CA$160K - CA$175K/yr

Remote Senior Desktop Software Developer About Sync Sync.com is a leading end-to-end encrypted cloud storage platform operating at significant scale across dual data centers. We build secure, privacy ...

previous pagenext page

Showing results 21-40

All JobsMainframe Developer JobsRemote Mainframe Developer JobsRemote Mainframe Developer Jobs in Ontario

Remote Mainframe Developer information

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 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.

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.

Are remote mainframe developer jobs in demand?

Remote mainframe developer jobs are in steady demand due to ongoing reliance on legacy systems in industries like finance and government. Skills in COBOL, JCL, and mainframe environments remain valuable, and remote work options are increasingly available for experienced professionals. However, the overall demand is influenced by industry adoption of modern technologies and digital transformation efforts.
More about Remote Mainframe Developer jobs

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:

Remote Mainframe Developer jobs near you
Infographic showing various Remote Mainframe Developer job openings in Ontario as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% Remote job distribution.

Software Developer Intermediate (Remote Canada)

Smile Digital Health

Toronto, ON • Remote

CA$90K - CA$110K/yr

Full-time

Medical, Life, Retirement, PTO

Re-posted 11 days ago

Job description

Working for a company like Smile Digital Health means supporting our mandate for #BetterGlobalHealth. We strive towards this goal every day, and the results can be seen in the impact of our innovative health data platform and data management solutions, which are used in over 20 countries. We were #19 on Deloitte's Technology Fast 50 Ranking for 2024! 
 
Smile Digital Health makes it easy for healthcare stakeholders to collect and exchange data with our leading FHIR-based data liberation platform.
 
At its heart, the Smile platform enables people and organizations to better manage healthcare data. We help generate and liberate structured healthcare data to ensure effective delivery across care teams and health systems bringing  #BetterGlobalHealth to patients everyday!

Apply today and find plenty of reasons to SMILE!

The Intermediate Software Developer works closely with all areas of the business to gather product requirements to effectively design, implement and test components of the system. This role contributes to all phases of the Software Development Lifecycle from analysis, design, implementation, verification and maintenance of solutions. 
Responsibilities:
  • Support the design, development, and implementation of diverse applications using web technologies.
  • Create and maintain detailed technical product and end user support documentation.
  • Evaluate requirements and propose high level design and technical solutions at all stages of development.
  • Analyze solutions and applications to ensure that they are interoperable, performant and maintainable.
  • Write high-quality and well-documented code for projects to ensure adherence to team and/or department coding standards.
  • Evaluate and provide accurate estimated timelines for development requirements.
  • Participate in and perform code reviews to ensure quality, proactive identification of defects, and recommend improvements.
  • Investigate and resolve complex technical challenges for assigned projects.
  • Maintain in-depth knowledge of technologies that will be used in new and existing modules of the solution (e.g., Machine Learning frameworks, data storage and capture frameworks etc.).
  • Advise and provide feedback and recommendations on quality technical design and industry trends.
  • Support in complex projects for other colleagues including, but not limited to, supporting the workflow and providing expert advice and solutions to  escalated and complex project challenges and roadblocks.
  • Actively participate in setting and maintaining software development best practices within the department and team.
Requirements:
  • 5+ years of full-cycle software development lifecycle experience. Experience in the healthcare and/or technology industry, preferred.
  • Post-secondary education in computer science, computer engineering, or similar and/or equivalent work experience.
  • Hands-on experience with Java and the Spring framework, building and consuming RESTful APIs, working with relational databases using SQL, and using Git for version control in collaborative development environments.
  • Solid understanding of the full software development lifecycle, including continuous integration (CI) pipelines for build automation, containerization and deployment using Docker, and related DevOps practices.
  • Develop middleware products, unit test practices (TDD), transaction processing
  • Creating and maintaining clear technical documentation.
  • Ability to maintain repositories with a focus on code health and quality.
  • Experience in end-to-end feature development.
  • Knowledge or experience in healthcare, HL7/ FHIR, an asset.
  • Nice to have: Full-stack development experience, including front-end technologies such as Angular, JavaScript, and tools like Node.js and npm, along with a solid understanding of HTTP protocols and browser-based development.
$90,000 - $110,000 a year
Smile discloses that artificial intelligence (AI) may be used in portions of the recruitment and selection process, such as resume screening or application assessment. All hiring decisions are ultimately made by qualified human decision-makers, and AI tools are used to support - not replace - fair and equitable hiring practices. 
This position is a new  role, created to support Smile's continued growth and commitment to operational excellence.

Some of the benefits we offer:
* Remote Work Environment
* Flexible Time Away From Work Policy including PTO, Personal and Sick Days
* Competitive Salary and Health/Medical Benefits
* RRSP/TFSA/401K Employee Contribution
* Life and Disability
* Employee Assistance Program
* FHIR Study Program and Skillsoft Learning
* Super HAPI Fun Club

Smile's core values include respect, inclusion, embracing our differences, and celebrating shared values because our people are the foundation of our success. We are big on creating a sense of belonging and empowering each other to bring our authentic selves to work.  We are dedicated to fostering a workplace that values diversity, equity, and inclusion.
 
We welcome and encourage candidates of all backgrounds to apply. Candidates are encouraged to inform us if they wish to discuss or require accommodations during interviews or while working at Smile.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
apply for this job

Apply