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

Pacer Group

Senior Mainframe Developer

Toronto, ON · Hybrid

Senior Mainframe Developer Location: Toronto, ON Work Arrangement: Hybrid-2 Days onsite Employment Type: Contract Duration: 12 Months Domain: BFSI Pay Rate: CAD 45-47/hour Incorporated Application ...

United Airlines

Mainframe Developer

Toronto, ON

As a Senior Developer, you will be working in a development and support capacity on our core mainframe cards and transactions system. The core application is a large, sophisticated mainframe-based ...

Td

Senior Software Engineer (Mainframe)

Toronto, ON

CA$81K - CA$115K/yr

Adhere to enterprise engineering frameworks, software development methodologies, release processes, and control standards applicable to mainframe development and delivery. * Actively identify and ...

Td

Senior IT Build/CICS Programmer

Toronto, ON · Remote

CA$81K - CA$115K/yr

We are seeking a Senior CICS systems programmer to join our team providing system support of IBM ... Middleware & Database Technical Services group within Infrastructure & Engineering - Mainframe ...

Broadridge

Director, Software Engineering

Toronto, ON · On-site

The ideal candidate will have a proven track record of leading large-scale mainframe and ... Promote automation, CI/CD pipelines, DevOps practices, and agile methodologies. * Continuously ...

Td

z/OS Connect Systems Programmer

Toronto, ON · On-site

CA$81K - CA$115K/yr

Mainframe & Database Services group within Mainframe Delivery, Infrastructure and Engineering Team ... KEY ACCOUNTABILITIES This job posting is for a Sr z/Connect & IMS Systems Programmer. The ...

Td

Software Engineer III

Toronto, ON · On-site

CA$125K - CA$154K/yr

Regular interactions with senior members of the technology team will be required as well as ... Mainframe experience: * COBOL, JCL, IMS DB/DC environment, IMS Databases, DB2, MQ, Endevor, CA7 ...

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Senior Mainframe Developer information

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How much do senior mainframe developer jobs pay per hour?

As of Aug 30, 2026, the average hourly pay for senior mainframe developer in Toronto, ON is $47.04, according to ZipRecruiter salary data. Most workers in this role earn between $40.15 and $53.91 per hour, depending on experience, location, and employer.

What is a senior mainframe developer?

Senior Mainframe Developers are experienced professionals who design, develop, and maintain mainframe systems—large-scale computers used by organizations for critical applications, bulk data processing, and enterprise resource planning. They are proficient in languages like COBOL, JCL, and Assembler, and often work with databases and transaction processing systems. Their responsibilities include troubleshooting system issues, optimizing performance, mentoring junior developers, and ensuring the reliability and security of mainframe operations.

What are some common challenges faced by senior mainframe developers when integrating legacy systems with modern technologies?

Senior Mainframe Developers often encounter challenges when integrating legacy mainframe systems with newer technologies such as cloud platforms, APIs, or microservices. These challenges include ensuring data consistency, maintaining system security, and minimizing downtime during migrations. Collaboration with cross-functional teams, such as infrastructure engineers and application developers, is key to developing seamless integration solutions. Staying up-to-date with modernization tools and best practices can help address these complexities and support the organization's digital transformation goals.

What are the key skills and qualifications needed to thrive as a senior mainframe developer, and why are they important?

To thrive as a Senior Mainframe Developer, you need deep expertise in mainframe programming languages (like COBOL, JCL, and PL/I), systems analysis, and a strong understanding of legacy application architectures, typically supported by a degree in computer science or related experience. Familiarity with tools such as IBM z/OS, DB2, CICS, and version control systems is essential, along with relevant certifications like IBM Certified System Programmer. Excellent problem-solving, communication, and leadership skills help you collaborate effectively and mentor junior developers. These skills are crucial for maintaining mission-critical systems, ensuring reliability, and guiding modernization efforts in complex enterprise environments.

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 Senior Mainframe Developer jobs in Toronto, ON?

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

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

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What cities near Toronto, ON are hiring for Senior Mainframe Developer jobs?

Cities near Toronto, ON with the most Senior Mainframe Developer job openings:

Senior Mainframe Developer jobs near you
Infographic showing various Senior Mainframe Developer job openings in Toronto, ON as of August 2026, with employment types broken down into 84% Full Time, 4% Part Time, and 12% Contract. Highlights an 80% Physical, 7% Hybrid, and 13% Remote job distribution, with an average salary of $97,846 per year, or $47 per hour.

Senior Mainframe Developer

Pacer Group

Toronto, ON • Hybrid

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

Job Title: Senior Mainframe Developer

Location: Toronto, ON

Work Arrangement: Hybrid-2 Days onsite

Employment Type: Contract

Duration: 12 Months

Domain: BFSI

Pay Rate: CAD 45-47/hour Incorporated

Application Deadline: Aug 30th, 2026


SKILLS REQUIRED


  • Proven experience as a Mainframe Lead Developer with expertise in leading the design, development, enhancement, and support of enterprise Mainframe applications.
  • Strong hands-on coding experience in COBOL, CICS, DB2, and JCL for developing and maintaining high-performance Mainframe solutions.
  • Extensive experience in application design, development, testing, deployment, and production support across the software development lifecycle (SDLC).
  • Ability to lead technical teams, perform code reviews, troubleshoot complex issues, and ensure adherence to Mainframe development best practices.
  • Experience working in Agile environments with strong analytical, problem-solving, and stakeholder communication skills.


EEOC Compliance:

We are an equal opportunity employer, and all qualified applicants will receive consideration for employment.


DISCLAIMER

AI Usage Policy: Pacer Group uses AI to assist in screening applications. Final hiring decisions are made by human recruiters based on qualifications and experience.

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