Accelerating Mainframe Modernization with IBM Watsonx Code Assistant for Z (GenAI Usecase from Proof of Concept to Production)

Accelerating Mainframe Modernization with IBM Watsonx Code Assistant for Z (GenAI Usecase from Proof of Concept to Production)

At IBM Consulting, we’re proud to partner with one of my clients on a mainframe modernization journey powered by IBM Watsonx Code Assistant for Z (WCA4Z) and a fit-for-purpose strategy. Following our proof of concept, we’ve spent the past 2.5 months achieving significant milestones in transforming their mission-critical applications.


Key Achievements:

  1. 547,000+ Lines of Cobol Code Processed in Watsonx Code Conversion Factory! Greatly accelerating modernization efforts.
  2. 395 Programs attempted for Cobol to Java code conversion
  3. 4 Converted Java Programs successfully deployed and executed in mainframe production.
  4. Around 30 Batch Programs are nearing production readiness.


Applications Profile & Progress:

  • App 1, CICS heavy: 50 Batch Programs, 32% completed. 93 out of 117 CICS programs, 79% of its CICS programs have been attempted for code conversion.
  • App 2, Batch heavy: 117 Batch Programs, 12% completed. 23 out of 23 CICS programs, 100% of its CICS programs have been attempted for code conversion.


Why It Matters:

IBM Watsonx code assistant for Z (WCA4Z) accelerates code conversion, ensuring that modernized codebase can be leveraged both on-premise and, eventually, in cloud environments—key steps on the hybrid cloud journey.


Collaboration for Success ??

A big shoutout to Suganya Shanmuganathan Sivaguru Varadharajan Vishnu D Pavoor Murali Thirumalaisamy Gowrishankar Gopalchandar PMP? Sudipta Adhikary Sathyananda K #Jeyamurugan Muthu #PranjalDas Pooja Gade Ravali Kuppachi #Shashidhar Kethireddy Jagadish Raju #Niraimathi Manoharan Rakhi Tiwari Michael Zalewski Jincy James Rajabhushan Ceelam #Thirumalai kumar Sadanandam Vanaparthi Om Sumanth Shivashankar Lavanya Rajagopalan Renjith Ramakrishnan , dedicated IBM Consulting and my client team driving this transformation forward. Together, we’re laying the groundwork for a future-ready technology landscape that meets evolving enterprise needs.

A sincere appreciation to the IBM product team for their invaluable support in keeping our progress on track Sunil Mishra Gregory Cernera Kelly Paesano Andy Bradfield Skyla Loomis

Deeply grateful for IBM Technology team’s unwavering leadership support and expertise James Newell Jay Bollock Mike Segler Kenny Martin Raju Kattady

My sincere gratitude to my leadership team for their exceptional support and guidance throughout this journey Glen Giolli Rob McAndrew Chris Hogan Arnab Bag


Next Steps

This is just the beginning! Stay tuned as we continue to scale, optimize, and innovate for next-generation capabilities.

#IBMConsulting #MainframeModernization #Watsonx #HybridCloud #Innovation


Glen Giolli

Partner at IBM Consulting

3 个月

Great work by you and the team Piyush, and nice job sharing the story!

Jagadish Raju

Program Project Manager / Tech Lead / Mainframe developer @ FIS | Agile Methodology, Mainframe Technology, Mainframe Modernization

3 个月

Thanks Piyush Mishra and entire team. Glad to be part of this journery!

Anil Deshpande

Technology Lead at IBM

3 个月

Congrats Rajabhushan Ceelam !

Stefan Liesche

IBM Distinguished Engineer - watsonx Code Assistant for Z at IBM Research & Development

3 个月

Thank you for this detailed update,..excited tonsee your project progress and always impressed by the speed of this project. Louisa Muschal Kathryn Briscoe Dr. Markus Sachs

Sivaguru Varadharajan

Senior Delivery Manager at IBM

3 个月

Thank you so much Piyush Mishra, It has been an incredible experience to be part of the Mainframe Modernization with IBM Watsonx Code Assistant for Z strategic initiative. What we achieved today is a true testament to the outstanding teamwork between IBM Consulting, ?the product team and our client teams. This success wouldn’t have been possible without the collective efforts and dedication of everyone involved. From leadership to technical experts, your invaluable contributions, collaboration, and hard work have made a significant impact. I truly appreciate the commitment and enthusiasm demonstrated by the entire team. Let’s continue this momentum and achieve even greater milestones together in the future!

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