Mainframe Developer

Apptoza Inc.; Toronto; On-site; CAD 90,000 - 130,000; Full time

Job summary

Apptoza Inc. is seeking an experienced Tandem/Mainframe Developer to join the RBC team. The role requires hands-on work with Tandem/HP NonStop and Mainframe technologies, preferably in banking or financial services.

Key responsibilities include developing and maintaining Tandem/HP NonStop and Mainframe applications, analyzing requirements, coding, testing and providing production support. Strong troubleshooting and communication skills are essential for cross-functional collaboration.

Qualifications

• Hands-on development on Tandem/HP NonStop and Mainframe platforms.
• Strong COBOL and JCL knowledge required.
• Experience with application development, testing, and production support.
• Strong troubleshooting and problem-solving skills.

Responsibilities

• Develop, enhance, and maintain applications on Tandem/HP NonStop and Mainframe platforms.
• Analyze business and technical requirements and develop appropriate solutions.
• Perform coding, testing, debugging, and production support.
• Troubleshoot application and system issues.
• Work with cross-functional teams to deliver application changes.
• Support application enhancements, maintenance, and releases.
• Prepare technical documentation as required.

Skills

Tandem/HP NonStop

COBOL

JCL

App development

Testing & production support

Troubleshooting

Communication & teamwork

Job description

We are looking for an experienced Tandem/Mainframe Developer to join the RBC team. The ideal candidate should have strong hands‑on experience with Tandem/HP NonStop and Mainframe technologies, preferably within the banking or financial services domain.

Key Responsibilities:

• Develop, enhance, and maintain applications on Tandem/HP NonStop and Mainframe platforms.
• Analyze business and technical requirements and develop appropriate solutions.
• Perform coding, testing, debugging, and production support.
• Troubleshoot application and system issues.
• Work with cross‑functional teams to deliver application changes.
• Support application enhancements, maintenance, and releases.
• Prepare technical documentation as required.

Required Skills:

• Strong hands‑on experience with Tandem / HP NonStop.
• Knowledge of COBOL and JCL.
• Experience with application development, testing, and production support.
• Strong troubleshooting and problem‑solving skills.
• Good communication and teamwork skills.

Preferred:

• Experience working with RBC or other major banking environments.
• Experience with Tandem COBOL, NonStop, TAL, or related technologies.