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Cobol Java Jobs in Ontario (NOW HIRING)

Must have: * 3-4 years of hands-on experience (or strong internship/co-op) in Java / Spring Boot ... Exposure to Mainframe technologies (COBOL, JCL, CICS, or DB2 on z/OS), or a strong willingness to ...

Software Engineer I

London, ON ยท On-site

CA$69K - CA$98K/yr

Technical Skills * 2-3 Years of experience with Mainframe technology including Cobol, IMS, DB2, zOS ... Experience in JAVA, REST API, Oracle, SQL Server Database * Knowledge on Event Hub, Kafka or ...

Software Engineer I

Toronto, ON ยท On-site

CA$69K - CA$98K/yr

Technical Skills * 2-3 Years of experience with Mainframe technology including Cobol, IMS, DB2, zOS ... Experience in JAVA, REST API, Oracle, SQL Server Database * Knowledge on Event Hub, Kafka or ...

Cobol Java information

What skills and qualifications are needed to thrive as a Cobol Java developer?

To thrive as a COBOL Java Developer, you need strong programming skills in both COBOL and Java, experience with legacy mainframe systems, and typically a degree in computer science or related field. Familiarity with development environments like Eclipse, mainframe tools such as IBM z/OS, and version control systems like Git is important, along with knowledge of databases and integration frameworks. Effective problem-solving, adaptability, and strong communication skills help bridge the gap between legacy and modern technologies and facilitate teamwork. These competencies are crucial for successfully maintaining, upgrading, and integrating enterprise systems in evolving IT landscapes.

How do Cobol Java developers balance maintaining legacy systems with integrating modern Java applications?

Professionals working with both COBOL and Java often face the challenge of bridging legacy mainframe systems with newer Java-based applications. This requires a strong understanding of both environments and the ability to translate business logic between them. Daily responsibilities may include analyzing existing COBOL code, developing Java modules for new features, and implementing middleware or APIs to facilitate communication between systems. Collaboration with cross-functional teams, such as business analysts and system architects, is common to ensure seamless integration and minimal disruption to business operations.

What is the difference between Cobol Java vs Mainframe Developer?

AspectCobol JavaMainframe Developer
Required SkillsJava, COBOL, SQL, debuggingCOBOL, JCL, DB2, CICS
Work EnvironmentModern enterprise systems, often cloud-basedLegacy mainframe systems
Industry UsageFinancial, insurance, retailBanking, government, insurance
CertificationsJava certifications, COBOL certificationsIBM mainframe certifications, COBOL certifications

While both roles involve COBOL, Cobol Java developers focus on integrating COBOL with Java applications in modern environments, whereas Mainframe Developers primarily work on legacy mainframe systems using COBOL and related tools. The choice depends on whether you prefer working with modern programming languages or maintaining legacy systems.

What is a Cobol Java developer?

COBOL Java developers are professionals skilled in both COBOL, a legacy programming language used mainly in mainframe systems, and Java, a modern, versatile programming language. They typically work on projects that require integrating, maintaining, or migrating legacy COBOL applications with newer Java-based systems. These developers play a crucial role in organizations that rely on mainframe technology but also want to leverage modern software solutions. Their expertise helps ensure business continuity while adopting new technology. They often work in banking, insurance, and large enterprises with complex IT infrastructures.
What job categories do people searching Cobol Java jobs in Ontario look for? The top searched job categories for Cobol Java jobs in Ontario are:
Infographic showing various Cobol Java job openings in Ontario as of July 2026, with employment types broken down into 5% Internship, 83% Full Time, 1% Part Time, and 11% Contract. Highlights an 78% Physical, 3% Hybrid, and 19% Remote job distribution.

Lead C/C++ Developer (Voltage SecureData)

Open Text Corporation

Waterloo, ON โ€ข On-site

CA$118K - CA$168K/yr

Temporary

PTO

Re-posted 15 days ago


Job description

Hiring Manager: Wenjie Yao

Talent Acquisition Advisor: Krunal Patel

Job Code Level: DSP4

Refer Your Friends!

AI-First. Future-Driven. Human-Centered.

At OpenText, AI is at the heart of everything we do-powering innovation, transforming work, and empowering digital knowledge workers. We are hiring talent AI can't replace to help us shape the future of information management. Join us.


Job: Lead Software Developer

Team: Voltage SecureData
Location: Richmond Hill / Mississauga / Ottawa / Waterloo, ON, Canada (office-based)

About Our Product

OpenText Voltage SecureData is a leading data-centric encryption platform protecting sensitive information across cloud, on-premises, and mainframe environments.

We are expanding our Voltage SecureData development team and looking for a hands-on Lead Software Developer to build and enhance secure, scalable cryptographic libraries, SDKs, and platform integrations used by organizations worldwide. You will work across software development, cybersecurity, cryptography, and cross-platform development to solve complex technical challenges and deliver enterprise-grade security solutions.

This position requires employees to be based near and work from one of OpenText's Canadian office locations. Specific work arrangements will align with current OpenText workplace policies.

Your Impact:

As a member of the Voltage SecureData development g team, you will:

Design, develop, and maintain security-critical software components using C/C++, Java, and C#/.NET.
Build and enhance cryptographic libraries, SDKs, APIs, and cross-platform integrations.
Develop portable solutions across Linux, Windows, macOS, UNIX, IBM z/OS, and HPE NonStop environments.
Lead technical design discussions, code reviews, architecture decisions, and development best practices.
Improve software quality through automation, testing, CI/CD pipelines, and modern development practices.
Troubleshoot complex client and platform issues and deliver scalable solutions.
Mentor developers and collaborate with QA, product, and development teams to deliver secure, reliable software.

What you need to succeed:

7+ years of professional software development experience with strong expertise in C/C++.
Strong systems programming experience across Linux, Windows, or UNIX-based platforms.
Experience building portable, cross-platform enterprise software.
Solid understanding of applied cryptography, including encryption, TLS/SSL, certificates, key management, and authentication.
Experience with API design, native integrations, SDK development, and CI/CD tools such as CMake, GitLab CI, or Jenkins.
Experience leading technical discussions, mentoring developers, and driving development improvements.
Excellent written and verbal communication skills in English.
Must be able to work from one of OpenText's Canadian office locations and collaborate effectively with distributed global teams.

Preferred Qualifications:
Experience with PKCS#11, HSM integrations, or security platforms (nCipher, Atalla, Thales Luna).
Knowledge of FIPS 140, post-quantum cryptography, PCI-DSS, EMV, or ISO 8583 standards.
Experience with IBM z/OS, HPE NonStop, COBOL/native interfaces, or other enterprise platforms.

Hands-on experience with Java, and C#/.NET development.
Experience with AI-assisted development tools in production development environments.

One last thing:

OpenText is more than just a corporation, it's a global community where trust is foundational, the bar is raised, and outcomes are owned.

Join us on our mission to drive positive change through privacy, technology, and collaboration. At OpenText, we don't just have a culture; we have character. Choose us because you want to be part of a company that embraces innovation and empowers its employees to make a difference.

#LI-KP2


OpenText's commitment to diversity and inclusion surpasses legal requirements, evident in our Equal Employment Opportunity Statement of Policy which promotes a respectful and empowering environment for employees of all backgrounds, culture, national origin, race, color, gender, gender identification, sexual orientation, family status, age, veteran status, disability, religion, or other basis protected by applicable laws.

If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please submit a ticket at Ask HR. Our proactive approach fosters collaboration, innovation, and personal growth, enriching OpenText's vibrant workplace.

Compensation: At OpenText, we offer a thoughtfully designed benefits package that supports your physical, emotional, and financial wellbeing. As you move through the hiring process, we're happy to provide more details about our compensation programs, including variable and commission compensation opportunities for eligible roles, vacation entitlement, and paid time off.

Salary Range: $118,000.00 - $168,000.00; Depending on the candidate's education, experience, skills, geographical location, and alignment with internal equity and external market, actual salary may vary and be higher or lower than the range posted.

AI Usage Disclosure: As part of our commitment to transparency, we use artificial intelligence (AI) tools to assist in various stages of our recruitment process, including resume screening, candidate matching, interview scheduling, and communications. These tools are designed to improve efficiency, reduce bias, and enhance candidate experience. All decisions regarding hiring are made by qualified human professionals, and we continuously monitor our AI systems to ensure fairness and compliance with applicable regulations.

Employment Type: TEMPORARY