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Full Time Java Mainframe Developer Jobs in Toronto, ON

Eligibility to work for Interac Corp. in Canada in a full-time capacity. * Proficiency in multiple programming languages with a strong background in Java. * Expertise in designing and developing ...

Skilled Java Script developer with Angular and ionic experience * Good knowledge of MySQL and web ... Full-time, Permanent Salary: 100K - 120K Benefits: * Casual dress * Company events * Dental care

Skilled Java Script developer with Angular and ionic experience * Good knowledge of MySQL and web ... Full-time, Permanent Salary: 100K - 120K Benefits: * Casual dress * Company events * Dental care

Senior Software Developer

Toronto, ON · On-site +1

CA$120K - CA$140K/yr

This is a full-time permanent position This is an existing vacancy This role is remote and open to ... Experience building highly distributed microservice architecture using Java 17/21, Spring Boot 3.x ...

... Java), testing frameworks, and utilities Experience with API testing Experience with Customer data ... Mainframe environment Experience with testing large data transformations and migrations at ...

... Java, Unix shell skills - working in Eclipse based environments Solid understanding of DevOps for ... have: mainframe development experience and enterprise architectural knowledge/experience ...

Senior DevOps Engineer Position: Full time Location: Toronto, Ontario (Initially Remote) About Us ... Experience with programming and/or scripting languages (Python, Ruby, Bash, Go, Java, PowerShell)

Software Developer - Team Lead

Toronto, ON · On-site

CA$120K - CA$200K/yr

Excellent programming skills in Java or other object-oriented language * Postgres, SQL, Data ... Passion for improving education through technology The base salary range for this full-time ...

Strong hands on expertise in Java & React.JS for building secure, high volume, low latency banking ... Capgemini offers a comprehensive, non-negotiable benefits package to all regular, full-time ...

Showing results 41-60

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.

Senior Back End Developer, Mobile Services

Royal Bank of Canada

Toronto, ON • On-site

Full-time

Re-posted 24 days ago


Job description

Job Description

WHAT IS THE OPPORTUNITY?
We are looking for an experienced Senior Application Developer to join the Mobile Services team. Your expertise will lead the design, development and maintenance of Services developed with Java and Spring Boot on platforms such as OpenShift, Azure, and other Cloud Platforms, providing service integration, authentication & application session management as well HTTP Webview integration for mobile applications.

WHAT WILL YOU DO?

  • Work with architecture and business sponsor(s) to assess, design and estimate solutions, assuming end-to-end technical responsibility and engaging IT partners into implementation while adhering to enterprise-level and group-level standards and best-practices within mobile banking

  • Identify and recommend new cost-effective application development solutions to meet business objectives

  • Responsible for the end-to-end technical solution as defined by the solution architecture and resolving design ambiguity

  • Provide technical leadership, expert counsel and guidance to the development team, adhering to solution architecture and best practices

  • Leads complex group meetings (including business partners) for technical design, decision making, problem solving, implementation and strategic planning

  • Provides direction, expertise, feedback, coaching and development to build the capability of junior technical development staff

WHAT DO YOU NEED TO SUCCEED?

  • Undergraduate Computer Science or Engineering Degree or equivalent experience.

  • Proven experience in leading development team on large projects or programs interfacing with multiple applications and/or third-parties

  • 3+ years experience with Spring Boot

  • Experience with web technology such as OpenAPI, graphQL, etc

  • Experience with DevOps tools using github actions

  • Experience with OCP, Azure, AWS

  • Strong API design skills (SOAP and REST)

  • Middleware technologies (ex. MQSeries, Kafka, Redis)

WHAT'S IN IT FOR YOU?
We thrive on the challenge to be our best, progressive thinking to keep growing, and working together to deliver trusted advice to help our clients thrive and communities prosper. We care about each other, reaching our potential, making a difference to our communities, and achieving success that is mutual.

  • A comprehensive Total Rewards Program including bonuses and flexible benefits, fair compensation, commissions, and stock where applicable

  • Leaders who help your development through coaching and managing opportunities

  • Ability to make a difference and lasting impact

  • Work in a dynamic, collaborative, progressive, and high-performing team

  • A world-class training program in financial services

  • Flexible work/life balance options

  • Opportunities to do challenging work

Job Skills

Active Learning, Agile Methodology, Application Integrations, Detail-Oriented, Enterprise Application Delivery, Group Problem Solving, Programming Languages, Software Development Life Cycle (SDLC)

Additional Job Details

Address:

RBC WATERPARK PLACE, 88 QUEENS QUAY W:TORONTO

City:

Toronto

Country:

Canada

Work hours/week:

37.5

Employment Type:

Full time

Platform:

TECHNOLOGY AND OPERATIONS

Job Type:

Regular

Pay Type:

Salaried

Posted Date:

2026-05-11

Application Deadline:

2026-08-31

Note: Applications will be accepted until 11:59 PM on the day prior to the application deadline date above

Our Employment Opportunities

At RBC, we are guided by living shared values of Client First, Integrity, Collaboration, Respect and Excellence and winning together as One RBC. We believe an inclusive workplace that has diverse perspectives is core to our continued growth as one of the largest and most successful banks in the world. Maintaining a workplace where our employees feel supported to perform at their best, effectively collaborate, drive innovation, and grow professionally helps to bring our Purpose to life and create value for our clients and communities. RBC strives to deliver this through policies and programs intended to foster a workplace based on respect, belonging and opportunity for all.

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RBC is presently inviting candidates to apply for this existing vacancy. Applying to this posting allows you to express your interest in this current career opportunity at RBC. Qualified applicants may be contacted to review their resume in more detail.

Employment Type: FULL_TIME