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Remote Mainframe Developer Jobs in Toronto, ON (NOW HIRING)

Geotab

Software Developer

Oakville, ON · On-site +1

As a Software Developer is primarily responsible for designing, building and maintaining efficient, reusable, reliable code to develop high throughput, performance critical, scalable applications.

Turner Fleischer

Software Developer

Toronto, ON · On-site +1

CA$65K - CA$80K/yr

Software Developer Toronto, Ontario, Canada (Hybrid) Who We Are Turner Fleischer is one of Canada's most progressive design studios with 250+ committed, creative and driven professionals. We excel at ...

Borrowell

Software Developer

Toronto, ON · On-site +1

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 ...

Fortive

Senior Software Engineer

Toronto, ON · Remote

... 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 ...

AssistIQ

Senior Software Developer

Toronto, ON · Remote

As a Senior Software Developer, you will be responsible for designing, developing and managing the cloud based services that power the AssistIQ platform. We're excited by candidates who enjoy and are ...

Financeit

Developer 2

Toronto, ON · On-site +1

CA$100K - CA$115K/yr

Our Developers value continuous learning and development, enjoy cross-functional collaboration, and of course, hold the quality of their code to a high standard. Ideally, you have experience with our ...

Career Renew

Software Engineer - Web3

Toronto, ON · Remote

Career Renew is recruiting for one of its clients a Software Engineer - Web3 - this is a fully remote role for N America based candidates. Salary range: 150-250K USD base plus benefits. We are ...

Career Renew

Software Engineer - Web3

Toronto, ON · Remote

Career Renew is recruiting for one of its clients a Software Engineer - Web3 - this is a fully remote role for N America based candidates. Salary range: 150-250K USD base plus benefits. We are ...

NexHealth

Senior Software Engineer

Toronto, ON · On-site +1

... balances remote and onsite work (the specifics of which are at the discretion of NexHealth ... Knowledge of common DevOps tools and practices. * Firm grasp of quality and security engineering ...

ABL Employment

Senior Software Developer

Oakville, ON · On-site +1

CA$120K - CA$135K/yr

They specialize in delivering end-to-end services, including design, engineering, manufacturing, installation, and maintenance. With a strong reputation for innovation and quality, they continue to ...

Epistemix

Senior Back End Software Engineer

Toronto, ON · Remote

Our software engineers at Epistemix show a clear passion for quality and love to bring software to ... We are fully remote, with team members in the United States and Europe. Benefits include: * Equity ...

TOPOLIO

Software Engineer, CTO (Remote)

Toronto, ON · Remote

We are looking for a talented full stack software engineer to build SaaS application. You are an energetic and driven leader with a proven track record of taking new ideas from concept to market. You ...

Financeit

Senior Developer 1

Toronto, ON · On-site +1

We are looking for a developer who values continuous learning and development, collaboration with the team, and of course the quality of their code. Ideally, you also have experience with our core ...

Deloitte

Senior Blockchain Developer - Operate

Toronto, ON · On-site +1

CA$72K - CA$138K/yr

Collaborate with architects, DevOps engineers, and product teams to deliver technical solutions. * Support smart contract deployment, monitoring, and troubleshooting activities. * Participate in ...

d1g1t

Senior Software Engineer, Integrations

Toronto, ON · On-site +1

CA$120K - CA$140K/yr

As a Senior Engineer, you won't just be writing code-you will be a vital technical voice and ... Remote friendly position with occasional office time as needed. Ability to work abroad for up to 2 ...

Sitero LLC

Senior Software Engineer

Mississauga, ON · On-site +1

Mississauga, Ontario (Hybrid). 3x per week in office, 2x per week remote Function: Engineering ESSENTIAL DUTIES AND RESPONSIBILITIES: Full Stack Development * Design and develop full-stack features ...

Spscommerce

Software Engineer

Brampton, ON · On-site +1

CA$83K - CA$125K/yr

Comfort with cloud environments (AWS or equivalent) and modern DevOps practices (Git, CI/CD ... We are also open to remote candidates located anywhere within Canada. What We Offer: At SPS ...

Canals

Senior Software Engineer - Canada

Toronto, ON · Remote

To keep up, we need senior-level engineers who can move quickly while maintaining high quality ... We're remote-first, flexible, and distributed across North and South America, bringing together ...

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All JobsMainframe Developer JobsRemote Mainframe Developer JobsRemote Mainframe Developer Jobs in Toronto, ON

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 Toronto, ON?

The most popular types of Mainframe Developer jobs in Toronto, ON are:

What are popular job titles related to Remote Mainframe Developer jobs in Toronto, ON?

For Remote Mainframe Developer jobs in Toronto, ON, the most frequently searched job titles are:

What job categories do people searching Remote Mainframe Developer jobs in Toronto, ON look for?

The top searched job categories for Remote Mainframe Developer jobs in Toronto, ON are:

Remote Mainframe Developer jobs near you
Infographic showing various Remote Mainframe Developer job openings in Toronto, ON as of August 2026, with employment types broken down into 59% Full Time, and 41% Contract. Highlights an 100% Remote job distribution.

Software Developer

Geotab

Oakville, ON • On-site, Remote

Full-time

Medical, Dental, Retirement

Re-posted 20 days ago

Job description

Who you are:

We are always looking for amazing talent who can contribute to our growth and deliver results! Geotab is seeking a Software Developer who will support other developers within Geotab by contributing to development, QA and engineering-support inquiries. If you love technology, and are keen to join an industry leader - we would love to hear from you!

What you'll do:

As a Software Developer is primarily responsible for designing, building and maintaining efficient, reusable, reliable code to develop high throughput, performance critical, scalable applications. Part of this role involves collaborating and building relationships with other software developers, engineers, and internal technical teams, and contributing towards the development of the team's roadmap. 

How you'll make an impact:

  • Contribute to identifying areas of improvement in existing code and architecture, with guidance from senior developers and team leads.

  • Must be able to work with high-level requirements, proactively collaborate with stakeholders to drive clarity, and deliver a world-class product across user experience, reliability, stability, and response time. Demonstrates the maturity to recognize when urgency is warranted, identify and prioritize time-critical work, communicate delivery risks early, and make sound trade-off decisions under pressure and steer delivery - without compromising quality.

  • Participate in the development of scalable code, prototypes, minimum viable products and PoCs under the direction of senior team members.

  • Take ownership of tasks and features, contributing to their implementation while communicating progress, blockers, and solutions to your team.

  • Collaborate with other developers on design and implementation of features, learning cross-product context along the way.

  • Write, test, and review code to ensure quality and adherence to team best practices; participate in code reviews as both a reviewer and reviewee.

  •  Use AI-assisted development tools (such as GitHub Copilot, Claude, or equivalent) as a core part of your daily workflow to accelerate coding, debugging, and documentation.

  • Leverage AI tooling to generate unit tests, identify edge cases, and improve code coverage - increasing development velocity without compromising quality.

  • Contribute to team documentation - system design notes, runbooks, and feature specs - using AI tools to draft and structure documentation efficiently.

  • Stay current with emerging AI tools, development practices, and technologies; share relevant learnings with the team.

  • Participate in technical discussions and team ceremonies; ask questions, contribute ideas, and grow your ability to communicate technical concepts clearly.

  • Proactively explore how AI and automation can improve team workflows, tooling, and developer experience - and bring proposals to your team lead.

  • Support Geotab global strategic initiatives by delivering reliable, high-quality contributions to team goals.

  • Write clean, secure, and maintainable software across languages and environments such as C#, JavaScript, and SQL, with a focus on continuous improvement.

  • Participate in a 24x7 on-call rotating schedule (if applicable), supported by senior team members.

What you'll bring to the role:

Education Requirements:

  • Bachelors in a related field.

  • Pursuing a Degree or Diploma in Computer Science, Math, Software Engineering, or a related field is preferred.

Soft Skills:

  • Eager to learn and contribute in a fast-paced environment.

  • Enthusiasm for exploring and applying AI tools to enhance productivity and solve problems.

  • Excellent communication and problem-solving skills.

  • Ability to quickly understand complex, technical concepts.

  • A Willingness to participate in team discussions and support fellow team members in a collaborative environment.

Nice to Have (Technical Skills - Willingness to Learn is Key):

  • Experience with or curiosity about AI development tools, large language models, or AI-assisted coding platforms.

  • Exposure to web development technologies (e.g., HTML, CSS, JavaScript, React).

  • Basic understanding of object-oriented programming concepts.

  •  Knowledge of backend systems such as C# .NET Core / .NET 7+. IMP.

  •  Understanding of version control principles (e.g., Git).

  •  Interest in exploring cloud computing (e.g., GCP).

  •  Familiarity of database design and relational databases (e.g., PostgreSQL).

  •  Foundational knowledge of RESTful API design and development.

If you got this far, we hope you're feeling excited about this role! Even if you don't feel you meet every single requirement, we still encourage you to apply.
 
Please note: Geotab does not accept agency resumes and is not responsible for any fees related to unsolicited resumes. Please do not forward resumes to Geotab employees.
 
This posting is for an existing vacancy.
 
Why job seekers choose Geotab:

Flex working arrangements
Home office reimbursement program
Baby bonus & parental leave top up program
Online learning and networking opportunities
Electric vehicle purchase incentive program
Competitive medical and dental benefits
Retirement savings program

*The above are offered to full-time permanent employees only

How we work:
At Geotab, we have adopted a flexible hybrid working model in that we have systems, functions, programs and policies in place to support both in-person and virtual work. However, you are welcomed and encouraged to come into our beautiful, safe, clean offices as often as you like. When working from home, you are required to have a reliable internet connection with at least 50mb DL/10mb UL. Virtual work is supported with cloud-based applications, collaboration tools and asynchronous working. The health and safety of employees are a top priority. We encourage work-life balance and keep the Geotab culture going strong with online social events, chat rooms and gatherings. Join us and help reshape the future of technology!
 
We believe that ensuring diversity is fundamental to our future growth and progress and is an integral part of our business. We believe that success happens where new ideas can flourish - in an environment that is rich in diversity and a place where people from various backgrounds can work together. Geotab encourages applications from all qualified individuals. We are committed to accommodating people with disabilities during the recruitment and assessment processes and when people are hired. We will ensure the accessibility needs of employees with disabilities are taken into account as part of performance management, career development, training and redeployment processes. If you require accommodation at any stage of the application process or want more information about our diversity and inclusion as well as accommodation policies and practices, please contact us at careers@geotab.com. By submitting a job application to Geotab Inc. or its affiliates and subsidiaries (collectively, "Geotab"), you acknowledge Geotab's collection, use and disclosure of your personal data in accordance with our Privacy Policy. Click here to read our Privacy Notice. Click here to learn more about what happens with your personal data.

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