Application Developer

Whizdom; New South Wales; On-site; AUD 104,000 - 136,000; Full time

Job summary

Whizdom is seeking a highly experienced Lead PL/I Design & Development Consultant to drive a major database migration for a financial services client. You will lead design and development for complex PL/I changes on IBM mainframes, ensuring quality and performance across online, batch and integration components.

The role requires hands-on leadership, deep mainframe knowledge, and the ability to transfer practical skills to the team while addressing technical risks and delivery readiness.

Qualifications

• Extensive enterprise PL/I design and development experience on IBM mainframes.
• Career depth typically associated with 20+ years in complex mainframe environments.
• Strong written and verbal communication skills.
• Experience with legacy database migration and mainframe diagnostic tools.

Responsibilities

• Lead technical analysis and detailed design for complex PL/I application changes.
• Develop high-risk PL/I components and analyse large online, batch and integration codebases.
• Lead troubleshooting, root-cause analysis and performance tuning.
• Review designs and code, identify technical risks, and support testing and implementation readiness.
• Provide hands-on technical leadership and practical knowledge transfer to the development team.

Skills

PL/I

Mainframe

VSAM

IBM MQ

DB2

CICS

Technical leadership

Code review

Troubleshooting

Performance tuning

Legacy modernization

Tools

DB2

CICS

VSAM

IBM MQ

Job description

Lead PL/I Design & Development Consultant

• Circa. $650 per day including super
• Working holiday visa holders and candidates without local experience are welcome to apply

We are seeking a highly experienced, hands-on PL/I consultant to support a major database migration for a financial services organisation. You will lead complex design and development work, provide technical assurance, and help an established team solve demanding engineering challenges.

Key responsibilities

• Lead technical analysis and detailed design for complex PL/I application changes.
• Develop high-risk PL/I components and analyse large online, batch and integration codebases.
• Lead troubleshooting, root-cause analysis and performance tuning.
• Review designs and code, identify technical risks, and support testing and implementation readiness.
• Provide hands‑on technical leadership and practical knowledge transfer to the development team.
• Extensive enterprise PL/I design and development experience on IBM mainframes.
• Career depth typically associated with 20+ years in complex mainframe environments.
• Strong experience across major PL/I development, migration, remediation or modernisation initiatives.
• Deep practical knowledge of VSAM and IBM MQ.
• Proven ability to safely modify large, complex legacy applications and resolve difficult online, batch, data and integration issues.
• Hands‑on technical leadership, design assurance and code review experience.
• Strong written and verbal communication skills.
• Db2, CICS and high-volume transaction processing.
• Banking, insurance or another regulated industry.
• Complex financial calculations, batch processing, reconciliation or regulatory processing.
• Legacy database migration and mainframe diagnostic tools.