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Full Time Java Mainframe Developer Jobs in Toronto, ON

Full Stack Java Developer

Mississauga, ON · Hybrid

CA$79K - CA$110K/yr

Citi is looking for a Full Stack Java Developer to join its Technology team and play a meaningful ... Applications Development ----- Time Type: Full time ----- Primary Location Full Time Salary Range ...

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Java Full-stack Developer

Mississauga, ON · On-site

CA$86K - CA$127K/yr

Capgemini offers a comprehensive, non-negotiable benefits package to all regular, full-time ... engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data ...

Capgemini offers a comprehensive, non-negotiable benefits package to all regular, full-time ... engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data ...

... applications using Java, Scala, Hadoop, Hive * Minimum 2 years coding Scala programming ... Capgemini offers a comprehensive, non-negotiable benefits package to all regular, full-time ...

The Senior Java Developer is an intermediate level position responsible for participation in the ... Applications Development ----- Time Type: Full time ----- Primary Location Full Time Salary Range ...

We're looking for a skilled Java Developer to enhance our platform and integrate it with trading ... Applications Development ----- Time Type: Full time ----- Primary Location Full Time Salary Range ...

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... Java), testing frameworks, and utilities Experience with Customer data and Customer systems ... in Mainframe environment Experience with testing data transformations, data migrations and batch ...

Capgemini offers a comprehensive, non-negotiable benefits package to all regular, full-time ... engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data ...

The Applications Development Intermediate Programmer Analyst is an intermediate level position ... Applications Development ----- Time Type: Full time ----- Primary Location Full Time Salary Range ...

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Full Time Java Mainframe Developer information

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

To thrive as a Full Time Java Mainframe Developer, you need proficiency in Java programming, mainframe technologies like COBOL or JCL, and a relevant degree in computer science or a related field. Familiarity with mainframe development tools (e.g., IBM z/OS, TSO/ISPF), version control systems, and sometimes certifications such as IBM Certified System Programmer are typically required. Strong problem-solving, communication, and teamwork skills help developers translate business needs into robust mainframe solutions and collaborate across diverse IT teams. These capabilities ensure the reliable modernization, maintenance, and integration of enterprise-level legacy systems with new Java applications.

What are some common challenges faced by full time Java mainframe developers when integrating modern Java applications with legacy mainframe systems?

A common challenge for Full Time Java Mainframe Developers is ensuring seamless communication between modern Java-based applications and existing mainframe systems, which often use older technologies and data formats. Developers need to address issues such as data mapping, protocol compatibility, and performance optimization to maintain reliable and efficient integration. Additionally, understanding both Java and mainframe environments is crucial, as troubleshooting can require knowledge of mainframe batch jobs, COBOL code, or CICS transactions alongside Java frameworks. Collaborative work with mainframe specialists and clear documentation are essential for overcoming these challenges.

What is the difference between Full Time Java Mainframe Developer vs Mainframe Developer?

AspectFull Time Java Mainframe DeveloperMainframe Developer
Required SkillsJava, Mainframe (COBOL, JCL), DB2, CICSCOBOL, JCL, DB2, CICS
Work EnvironmentBanking, Finance, Insurance sectors with Java and Mainframe integrationLegacy systems in banking, government, insurance
CertificationsJava certifications, Mainframe certifications (e.g., IBM Certified)Mainframe certifications (e.g., IBM Certified)

Full Time Java Mainframe Developers combine Java programming with traditional Mainframe skills, working on integrated systems in finance and banking. Mainframe Developers focus primarily on legacy systems using COBOL and JCL. The former often requires Java certifications, while the latter emphasizes Mainframe-specific credentials. Both roles are vital in industries maintaining legacy systems but differ in technical focus and skill set.

What is a full time Java mainframe developer?

A Full Time Java Mainframe Developer is a professional who specializes in developing, maintaining, and enhancing applications that run on mainframe systems using the Java programming language. These developers often integrate modern Java-based applications with legacy mainframe systems, ensuring seamless data flow and system compatibility. Their responsibilities may include coding, debugging, testing, and optimizing applications for performance on mainframe platforms, as well as collaborating with other IT professionals to support business operations. This role typically requires knowledge of both Java and mainframe technologies like COBOL, JCL, and CICS.
What are the most commonly searched types of Java Mainframe Developer jobs in Toronto, ON? The most popular types of Java Mainframe Developer jobs in Toronto, ON are:
What are popular job titles related to Full Time Java Mainframe Developer jobs in Toronto, ON? For Full Time Java Mainframe Developer jobs in Toronto, ON, the most frequently searched job titles are:
What job categories do people searching Full Time Java Mainframe Developer jobs in Toronto, ON look for? The top searched job categories for Full Time Java Mainframe Developer jobs in Toronto, ON are:
Infographic showing various Full Time Java Mainframe Developer job openings in Toronto, ON as of August 2026, with employment types broken down into 79% Full Time, 3% Part Time, and 18% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution.

Mainframe DevOps Migration Consultant

United Airlines

Toronto, ON • On-site, Remote

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 5 days ago


United Airlines rating

7.9

Company rating: 7.9 out of 10

Based on 341 frontline employees who took The Breakroom Quiz

7th of 26 rated airlines


Job description

At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world's mostinnovative companies unleash their potential. From autonomous cars to life-saving robots, our digital and software technology experts think outside the box as theyprovide unique R&D and engineering services across all industries. Join us for a career full of opportunities. Where you can make a difference. Where no two days arethe same.

Location: Remote anywhere in Canada

 

About the job you're considering:

We are seeking a skilled Software Change Management (SCM) Subject Matter Expert (SME) to support application migration projects utilizing IBM's DBB/Git/IDD Solutions. The SME will play a key role in guiding clients through the Endevor (and other SCMs) DBB/GIT/IDD conversion process, providing technical expertise, hands-on migration support, and delivery training. The ideal candidate has a strong z/OS and mainframe background, experience in application development or system programming, and proven customer interfacing and troubleshooting skills within migration environments.

Your role:

  • Lead and support Endevor (and other SCMs) DBB/GIT/IDD migration projects.
  • Perform installation, configuration, and problem determination for DBB/GIT/IDD on customer systems.
  • Analyze, convert, and validate Endevor applications.
  • Provide technical support and troubleshooting DBB/GIT/IDD related issues.
  • Conduct customer training sessions and develop presentation materials for DBB/Git/IDD and migration processes.
  • Collaborate with IBM teams and client stakeholders to ensure successful project delivery.
  • Document migration processes, best practices, and technical resolutions.

Your skills and experience:

  • Clear, concise communications Skills.
  • Strong Application Development or System Programmer background.
  • Proven installation and migration experience on IBM z/OS.
  • Excellent customer interfacing and communication skills.
  • Solid problem determination and troubleshooting ability related to IMU.
  • Proficiency in the following: Groovy Scripts writer, YAML, GIT experience, Repos, Pipeline - ability to debug what pipeline/builds failed and Branching 
  • Ability to deliver DBB/Git/IDD training, create and present technical materials using standard tools, and support clients in diagnosing and resolving conversion-related errors.
  • Preferred expertise includes a bachelor's adegree (or equivalent experience), 8+ years as a Systems Programmer or similar, and 4+ years of customer-facing consulting experience, with additional value placed on development, application lifecycle, or change management experience.
  • Strong analytical and organizational skills, hands-on experience with mainframe modernization and tools like SCM, DBB, Git, and IDD, and the ability to work independently or collaboratively within a global team

The base compensation range for this role in the posted location is: $ 62,874 - $ 147,504/ /year

Capgemini provides compensation range information in accordance with applicable national, state, provincial, and local pay transparency laws. The base compensation range listed for this position reflects the minimum and maximum target compensation Capgemini, in good faith, believes it may pay for the role at the time of this posting. This range may be subject to change as permitted by law.

The actual compensation offered to any candidate may fall outside of the posted range and will be determined based on multiple factors legally permitted in the applicable jurisdiction.

These may include, but are not limited to: Geographic location, Education and qualifications, Certifications and licenses, Relevant experience and skills, Seniority and performance, Market and business consideration, Internal pay equity.

It is not typical for candidates to be hired at or near the top of the posted compensation range.

In addition to base salary, this role may be eligible for additional compensation such as variable incentives, bonuses, or commissions, depending on the position and applicable laws.

Capgemini offers a comprehensive, non-negotiable benefits package to all regular, full-time employees. In the U.S. and Canada, available benefits are determined by local policy and eligibility and may include:

Paid time off based on employee grade (A-F), defined by policy: Vacation: 12-25 days, depending on grade, Company paid holidays, Personal Days, Sick Leave

Medical, dental, and vision coverage (or provincial healthcare coordination in Canada)

Retirement savings plans (e.g., 401(k) in the U.S., RRSP in Canada)

Life and disability insurance

Employee assistance programs

Other benefits as provided by local policy and eligibility

Important Notice: Compensation (including bonuses, commissions, or other forms of incentive pay) is not considered earned, vested, or payable until it becomes due under the terms of applicable plans or agreements and is subject to Capgemini's discretion, consistent with applicable laws. The Company reserves the right to amend or withdraw compensation programs at any time, within the limits of applicable legislation.

Disclaimers

Capgemini is an Equal Opportunity Employer encouraging inclusion in the workplace. Capgemini also participates in the Partnership Accreditation in Indigenous Relations (PAIR) program which supports meaningful engagement with Indigenous communities across Canada by promoting fairness, accessibility, inclusion and respect. We value the rich cultural heritage and contributions of Indigenous Peoples and actively work to create a welcoming and respectful environment. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity/expression, age, religion, disability, sexual orientation, genetics, veteran status, marital status or any other characteristic protected by law.

This is a general description of the Duties, Responsibilities and Qualifications required for this position. Physical, mental, sensory or environmental demands may be referenced in an attempt to communicate the manner in which this position traditionally is performed. Whenever necessary to provide individuals with disabilities an equal employment opportunity, Capgemini will consider reasonable accommodations that might involve varying job requirements and/or changing the way this job is performed, provided that such accommodation does not pose an undue hardship. Capgemini is committed to providing reasonable accommodation during our recruitment process. If you need assistance or accommodation, please reach out to your recruiting contact.

Please be aware that Capgemini may capture your image (video or screenshot) during the interview process and that image may be used for verification, including during the hiring and onboarding process.

Click the following link for more information on your rights as an Applicant in the United States. http://www.capgemini.com/resources/equal-employment-opportunity-is-the-law

Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.


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About United Airlines

Sourced by ZipRecruiter

United Airlines is embarking on an exciting journey to become the best airline in aviation history. Our purpose, "Connecting People, Uniting the World," extends beyond transportation, emphasizing our commitment to uplift and create opportunities in the places we serve. With a global presence and diverse workforce, we value inclusivity and are dedicated to hiring tens of thousands of individuals across various roles. Our comprehensive benefits package, including perks like space available travel, parental leave, and 401k, aims to support your well-being and growth.

Industry

Aviation

Company size

10,000+ Employees

Headquarters location

Chicago, IL, US

Year founded

1926

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