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

Caseware

Senior Software Developer

Toronto, ON · On-site +1

CA$120K - CA$140K/yr

  • Medical

  • Retirement

This is a full-time permanent position This is an existing vacancy This role is remote and open to ... Work with senior developers and architects to define and oversee the execution of the product ...

Fortive

Senior Software Developer

Mississauga, ON · On-site +1

  • Medical

  • Dental

  • Vision

  • PTO

As a Senior Software Developer , you'll play a key role in designing and building high-performing ... Flexible remote work options * Generous vacation and paid time off * Comprehensive health, dental ...

Clio

Senior Developer, Enterprise AI

Toronto, ON · Remote

CA$157K - CA$212K/yr

  • Medical

  • Dental

  • Vision

The Senior Developer, Enterprise AI is a hands-on technical leader responsible for building ... This is a new position. #LI-Remote What you will find here: Compensation is one of the main ...

InvestorCOM

Software Engineer

Toronto, ON · Remote

As a remote-first organization, we are building a modern, high-performing team focused on ... Experience with Azure DevOps and CI/CD pipelines * Experience developing SaaS applications

Distributech

Software Engineer

Toronto, ON · Remote

CA$8/hr

As a remote-first organization, we are building a modern, high-performing team focused on ... Experience with Azure DevOps and CI/CD pipelines * Experience developing SaaS applications

InvestorCOM

Software Engineer

Toronto, ON · Remote

As a remote-first organization, we are building a modern, high-performing team focused on ... Experience with Azure DevOps and CI/CD pipelines * Experience developing SaaS applications

Fidelity International

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 ...

hive.co

Senior Software Developer

Toronto, ON · Remote

CA$123K - CA$187K/yr

  • Medical

  • Dental

  • PTO

The Opportunity Our Engineering team owns the code that lets our customers do powerful things with ... You've thrived in remote settings, excelling in async communication, independent work, and time ...

Geotab

Software Developer

Oakville, ON · On-site +1

  • Medical

  • Dental

  • Retirement

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

Borrowell

Software Developer

Toronto, ON · On-site +1

  • Medical

  • Dental

  • Vision

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 ...

Financeit

Developer 2

Toronto, ON · On-site +1

CA$100K - CA$115K/yr

  • Medical

  • Dental

  • Vision

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

$150K - $250K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

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

$150K - $250K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

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

  • PTO

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 ...

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Showing results 21-40

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

Remote Mainframe Developer information

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 in demand?

Mainframe developers are still in demand due to the continued reliance of large enterprises on mainframe systems for critical operations. Skills in COBOL, JCL, and mainframe security are valuable, and many organizations seek professionals to maintain and modernize legacy systems.

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 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.
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:
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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 100% Full Time. Highlights an 100% Remote job distribution.

Senior Software Developer

Caseware

Toronto, ON • On-site, Remote

CA$120K - CA$140K/yr

Full-time

Medical, Retirement

Posted 22 days ago

Job description

Caseware is one of Canada's original Fintech companies, having led the global audit and accounting software industry for over 30 years, with more than 500,000 users across 130 countries and available in 16 different languages. While you might not have heard of us (yet) over 36,000 accounting and audit professionals list Caseware as a skill on their LinkedIn profiles!

As a Senior Software Developer, you will be creating prototypes and software design proposals that align future-state product and architecture vision. You will continue to improve core product build, CI/CD pipelines and overall SDLC. You will be a part of highly innovative team and represent in technical discussions with Tech Leads, Operations, Product/UX and external stakeholders. 

This is a full-time permanent position 

This is an existing vacancy 

 

This role is remote and open to candidates who reside in and are eligible to work in Canada

What you will be doing:

  • Create prototypes and software design proposals that provide short-term business value while aligning with future-state product and architecture vision 

  • Research and break down large initiatives into parallelizable chunks of work that provide incremental business value towards the end feature goal 

  • Champion proposals into production through all phases of the Agile SDLC from design to implementation 

  • Contribute to improving the core product build, CI/CD pipelines, and overall SDLC 

  • Work with senior developers and architects to define and oversee the execution of the product architecture roadmap 

  • Troubleshoot and eliminate persistent root causes for production issues that your product faces 

  • Degree in Computer Science, Software Engineering, or equivalent work experience 

  • Facilitate design discussions within and outside of the squad 

  • Represent the team in technical discussions with Tech Leads, Operations, Product/UX, and external stakeholders 

  • Provide mentorship to the other developers on your team through design reviews, pair programming, and code reviews 

  • Keep technical documentation up to date and create new artifacts when required 

  • Share knowledge on new technologies and industry best practices to build our coding standards 

What you will bring:
 

Experience building highly distributed microservice architecture using Java 17/21, Spring Boot 3.x, and Gradle 

  • Strong OOP skills, advocate for code quality, Design Patterns, and SOLID principles 

  • Experience with complex projects in the public cloud (AWS, ideally) 

  • Developing and maintaining CI/CD pipelines with GitHub Actions (or other tool) 

  • Creating and optimizing complex SQL queries, stored procedures, and functions 

  • Strong initiative to improve processes, tools, methodologies, and product quality 

  • Expertise with test-driven development, developing unit tests, integration tests, end-to-end tests 

  • Experience with developing and working with thoughtfully designed HTTP APIs, such as REST or GraphQL 

Agentic engineering and AI tools expectations 

As a member of this team, you are expected to integrate AI-assisted development into your daily workflow. This means using AI tools strategically to accelerate delivery, improve code quality, and solve problems faster, while maintaining strong engineering judgment and accountability for all work that ships. 

  • Proficiently use inline code completion tools in your daily IDE workflow 

  • Use conversational AI assistants for pair programming, design discussion, debugging, and documentation 

  • Critically evaluate all AI-generated output before committing, verify correctness, security, and alignment with team standards 

  • Identify routine or well-scoped tasks as candidates for agentic automation, and propose improvements to your tools/workflows to support this 

  • Build feedback loops: document what worked, what failed, and why, to improve future agent performance and team understanding 

  • Collaborate with your team to design and instrument AI-powered developer tooling; measure its impact on velocity and quality 

Nice to haves: 

  • SPA development using Angular/Typescript 

  • Experience with Serverless Framework 

  • Experience with trunk-based development 

  • Automated testing frameworks such Cypress, RestAssured, JMeter 

  • Knowledge of accounting and auditing concepts 

  • Experience working within a large enterprise Monorepo codebase (NX preferred) 

  • Experience with container technologies, such as Docker. Ideally with container orchestration such as Kubernetes. 

Tech stack you'll be working with: 

  • Java 17/21 (Spring Boot 3.x) 

  • Microservices hosted on AWS EKS, Lambda Serverless 

  • Orchestration with AWS Step Functions & SNS/SQS 

  • NX monorepos 

  • Storage on AWS Aurora, DynamoDB, MongoDB, S3 

  • Jira to manage our backlog 

  • Our devs prefer to use IntelliJ (IDEA/PyCharm) with Claude Code 

  • We use Microsoft 365 (Outlook, OneDrive, Teams, Word, Excel, etc.) and Slack 

Salary Range:  

The annual base salary for this position is between $120,000 CAD and $140,000 CAD per year. 

This role is also eligible for discretionary bonus and/or commission, as well as other benefits. Actual pay within the listed range will be determined based on factors such as transferable skills, relevant experience, market conditions, and primary work location. The posted range is subject to change and may be updated periodically.


What's in it for you:

Innovation is at our core. We work with cutting-edge technology in accounting and financial reporting, constantly pushing the boundaries to create impactful software solutions. 
We are committed to a collaborative culture, where your ideas are valued, and knowledge sharing is encouraged within a supportive, inclusive team. 
Work-life balance is important to us. We offer flexible work options, remote opportunities, and generous time-off policies to ensure a healthy work-life balance. 
We offer competitive compensation, including a competitive salary and comprehensive benefits such as health insurance and retirement plans. 
We are driven by impactful work. Your contributions directly affect how our clients manage financial processes and drive their success. 
Recognition and rewards matter to us. We celebrate hard work through recognition programs, performance bonuses, and opportunities for career growth. 
We embrace global opportunities. Work on international projects and collaborate with a diverse, global team. 

About Caseware:
Caseware's cutting-edge software products are meticulously designed for accounting firms, corporations, and governments. Our teams are continually collaborating, innovating, and building upon our existing suite of products. With a customer-focused mindset, we are building technology that is shaping what the future of audits, financial reporting, and financial data analytics will look like.

With a recent strategic investment from Hg Capital in 2020, Caseware is now in its next major growth phase as we double down on the people and products that have made Caseware so successful to date.

One of Caseware's core values is Many Voices, One Team and with that in mind, we're dedicated to building teams as diverse as our customers in an equitable and inclusive way. We welcome and encourage candidates of all backgrounds to apply. Should you require accommodations or have any questions at any point during the application or interview process, please e-mail our People Operations team at [email protected].

AI Usage:
The recruitment process may use AI assisted tools but not for candidate screening or assessment. All final hiring decisions are made by humans to ensure fairness, transparency, and oversight. 

Background Check:
Any candidates successful in obtaining an offer for a position will need to successfully complete a background check through Certn.co which typically includes an Identity Verification and Criminal Record Check. Executives and Senior Managers will undergo a Soft Credit Check as well. Candidates residing in the Netherlands and Germany are excluded from undergoing background checks via Certn.co 

Security and Fraud:
Caseware takes the security of candidates seriously. All legitimate communication from us will come from email addresses ending in @caseware.com and our open positions are always listed on reputable job boards and on our website https://jobs.lever.co/caseware. We will NEVER ask for payment or financial information from you. If you receive an unsolicited job offer, proceed with extreme caution.   
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.
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